Races · Senate · 2012 · OH
Senate · class II · open seat

Sherrod Brown vs Josh Mandel

Lean R · 93 polls · 0 markets Last poll 4935d ago Rating 1d ago
Caution · early warning
Editorial raters moved while polling has gone quiet

The last rating change here was 1d ago, but only 93 polls have landed in the last 60 days. When raters move and pollsters don't, the rating shift may be running ahead of the data. Watch for a late-cycle correction in either direction.

Where this race stands
Verified

Lean R

lean-r

Polling average

Simple Weighted House-corrected Trimmed LOESS Kalman
Method:Weighted, plus each pollster's measured bias subtracted before averaging.
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All polls · 93 results

93 of 93 polls
EndPollsterWeightLeanSampleMoEPopTrust signalsResultsSource
11/4/2012Ohio Poll/Univ. of Cincinnati1.00901±3.3unknown
no scored polls4935d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4935d old
    Poll was fielded 4935 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 51.0 · Josh Mandel 47.0pollarch
11/4/2012SurveyUSA1.00(D+1.5)803±3.5unknown
4935d oldtracks editorial consensus
  • 4935d old
    Poll was fielded 4935 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 73 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 44.0 · Josh Mandel 41.0pollarch
11/4/2012Angus Reid Public Opinion1.15R(R+2.2)572±4.1unknown
4935d old
  • 4935d old
    Poll was fielded 4935 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 52.0 · Josh Mandel 46.0pollarch
11/4/2012Public Policy Polling1.00(D+1.1)1000±3.1unknown
4935d olduncorrelated with editorial consensus+1
  • 4935d old
    Poll was fielded 4935 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 54.0 · Josh Mandel 44.0pollarch
11/4/2012Rasmussen Reports1.00(R+2.1)750±4.0unknown
bias R+2.1pt4935d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4935d old
    Poll was fielded 4935 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 50.0 · Josh Mandel 48.0pollarch
11/3/2012Columbus Dispatch1.001501±2.2unknown
no scored polls4936d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4936d old
    Poll was fielded 4936 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,501
    Sample size of 1,501 respondents implies a margin of error around ±2.5pt — tighter than the ~600-respondent typical.
Sherrod Brown 51.0 · Josh Mandel 45.0pollarch
11/1/2012NBC/WSJ/Marist1.20neutral(R+0.7)971±3.1unknown
4938d oldbias R+0.7pt+1
  • 4938d old
    Poll was fielded 4938 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • bias R+0.7pt
    Across 13 historical scored polls the average error vs. actual margin is R+0.7pt.
  • tracks editorial consensus
    Across 16 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 50.0 · Josh Mandel 45.0pollarch
11/1/2012Rasmussen Reports1.00(R+2.1)750±4.0unknown
bias R+2.1pt4938d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4938d old
    Poll was fielded 4938 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 48.0 · Josh Mandel 48.0pollarch
10/31/2012Reuters/Ipsos1.21neutral(D+0.6)885±3.8unknown
4939d old
  • 4939d old
    Poll was fielded 4939 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 49.0 · Josh Mandel 41.0pollarch
10/30/2012University of Cincinnati/Ohio Poll1.001182±2.9unknown
no scored polls4940d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4940d old
    Poll was fielded 4940 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 49.0 · Josh Mandel 44.0pollarch
10/29/2012SurveyUSA1.00(D+1.5)603±4.1unknown
4941d oldtracks editorial consensus
  • 4941d old
    Poll was fielded 4941 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 73 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 46.0 · Josh Mandel 41.0pollarch
10/28/2012CBS/Quinnipiac University1.001110±3.0unknown
no scored polls4942d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4942d old
    Poll was fielded 4942 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • university-sponsored: Quinnipiac University
    Commissioned by Quinnipiac University, an independent media or academic sponsor. Independent sponsorship doesn't guarantee accuracy but rules out direct campaign funding.
Sherrod Brown 51.0 · Josh Mandel 42.0pollarch
10/28/2012Public Policy Polling1.00(D+1.1)718±3.7unknown
4942d olduncorrelated with editorial consensus+1
  • 4942d old
    Poll was fielded 4942 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 53.0 · Josh Mandel 42.0pollarch
10/28/2012Pharos Research0.97neutral(D+0.6)765±3.5unknown
4942d oldbias D+0.6pt+1
  • 4942d old
    Poll was fielded 4942 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • bias D+0.6pt
    Across 10 historical scored polls the average error vs. actual margin is D+0.6pt.
  • tracks editorial consensus
    Across 10 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 53.0 · Josh Mandel 43.0pollarch
10/28/2012Rasmussen Reports1.00(R+2.1)750±4.0unknown
bias R+2.1pt4942d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4942d old
    Poll was fielded 4942 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 50.0 · Josh Mandel 48.0pollarch
10/27/2012Gravis Marketing0.72L(D+2.9)730±3.6unknown
bias D+2.9pt4943d old+1
  • bias D+2.9pt
    Across 33 historical scored polls the average error vs. actual margin is D+2.9pt.
  • 4943d old
    Poll was fielded 4943 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 49 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
Sherrod Brown 48.0 · Josh Mandel 47.0pollarch
10/23/2012Rasmussen Reports1.00(R+2.1)750±4.0unknown
bias R+2.1pt4947d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4947d old
    Poll was fielded 4947 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 48.0 · Josh Mandel 44.0pollarch
10/23/2012The Cincinnati Enquirer/Ohio News1.001015±3.1unknown
no scored polls4947d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4947d old
    Poll was fielded 4947 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • newspaper-sponsored: Ohio News
    Commissioned by Ohio News, an independent media or academic sponsor. Independent sponsorship doesn't guarantee accuracy but rules out direct campaign funding.
Sherrod Brown 51.0 · Josh Mandel 47.0pollarch
10/22/2012SurveyUSA1.00(D+1.5)725±4.2unknown
4948d oldtracks editorial consensus
  • 4948d old
    Poll was fielded 4948 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 73 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 43.0 · Josh Mandel 42.0pollarch
10/21/2012Suffolk1.00600unknown
no scored polls4949d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4949d old
    Poll was fielded 4949 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 46.0 · Josh Mandel 39.0pollarch
10/21/2012Pharos Research0.97neutral(D+0.6)810±3.4unknown
4949d oldbias D+0.6pt+1
  • 4949d old
    Poll was fielded 4949 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • bias D+0.6pt
    Across 10 historical scored polls the average error vs. actual margin is D+0.6pt.
  • tracks editorial consensus
    Across 10 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 52.0 · Josh Mandel 41.0pollarch
10/20/2012CBS News/Quinnipiac1.001548±3.0unknown
no scored polls4950d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4950d old
    Poll was fielded 4950 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,548
    Sample size of 1,548 respondents implies a margin of error around ±2.5pt — tighter than the ~600-respondent typical.
Sherrod Brown 51.0 · Josh Mandel 42.0pollarch
10/20/2012Public Policy Polling1.00(D+1.1)532±4.3unknown
4950d olduncorrelated with editorial consensus+1
  • 4950d old
    Poll was fielded 4950 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Josh Mandel 44.0pollarch
10/20/2012Angus Reid Public Opinion1.15R(R+2.2)550±4.2unknown
4950d old
  • 4950d old
    Poll was fielded 4950 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 52.0 · Josh Mandel 45.0pollarch
10/17/2012Rasmussen Reports1.00(R+2.1)750±4.0unknown
bias R+2.1pt4953d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4953d old
    Poll was fielded 4953 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 49.0 · Josh Mandel 44.0pollarch
10/15/2012Survey USA1.00613±4.0unknown
no scored polls4955d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4955d old
    Poll was fielded 4955 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 43.0 · Josh Mandel 38.0pollarch
10/13/2012Public Policy Polling1.00(D+1.1)880±3.3unknown
4957d olduncorrelated with editorial consensus+1
  • 4957d old
    Poll was fielded 4957 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Josh Mandel 42.0pollarch
10/10/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt4960d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4960d old
    Poll was fielded 4960 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 47.0 · Josh Mandel 46.0pollarch
10/9/2012NBC/WSJ/Marist Poll1.00994±3.1unknown
no scored polls4961d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4961d old
    Poll was fielded 4961 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 52.0 · Josh Mandel 41.0pollarch
10/8/2012SurveyUSA1.00(D+1.5)808±3.5unknown
4962d oldtracks editorial consensus
  • 4962d old
    Poll was fielded 4962 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 73 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 42.0 · Josh Mandel 38.0pollarch
10/4/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt4966d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4966d old
    Poll was fielded 4966 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 46.0 · Josh Mandel 46.0pollarch
10/1/2012NBC/WSJ/Marist1.20neutral(R+0.7)931±3.2unknown
4969d oldbias R+0.7pt+1
  • 4969d old
    Poll was fielded 4969 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • bias R+0.7pt
    Across 13 historical scored polls the average error vs. actual margin is R+0.7pt.
  • tracks editorial consensus
    Across 16 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 50.0 · Josh Mandel 41.0pollarch
9/24/2012CBS/The New York Times/Quinnipiac1.001162±4.0unknown
no scored polls4976d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4976d old
    Poll was fielded 4976 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • newspaper-sponsored: The New York Times / Quinnipiac
    Commissioned by The New York Times / Quinnipiac, an independent media or academic sponsor. Independent sponsorship doesn't guarantee accuracy but rules out direct campaign funding.
Sherrod Brown 50.0 · Josh Mandel 40.0pollarch
9/23/2012The Washington Post1.92(D+2.1)934±4.0unknown
4 scored polls4977d old+1
  • 4 scored polls
    Pollster has only 4 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 4977d old
    Poll was fielded 4977 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • weight 1.92
    Aggregation weight is 1.92 (1.0 ≈ average). Weight is a derived metric combining historical accuracy, methodology, and recency.
Sherrod Brown 53.0 · Josh Mandel 41.0pollarch
9/22/2012Gravis Marketing0.72L(D+2.9)594±4.3unknown
bias D+2.9pt4978d old+1
  • bias D+2.9pt
    Across 33 historical scored polls the average error vs. actual margin is D+2.9pt.
  • 4978d old
    Poll was fielded 4978 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 49 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
Sherrod Brown 44.0 · Josh Mandel 43.0pollarch
9/18/2012Ohio Newspaper Organization1.00861±3.3unknown
no scored polls4982d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4982d old
    Poll was fielded 4982 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 52.0 · Josh Mandel 45.0pollarch
9/18/2012FOX NEWS Poll1.001009±3.0unknown
no scored polls4982d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4982d old
    Poll was fielded 4982 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • TV-network-sponsored: Fox News
    Commissioned by Fox News, an independent media or academic sponsor. Independent sponsorship doesn't guarantee accuracy but rules out direct campaign funding.
Sherrod Brown 47.0 · Josh Mandel 40.0pollarch
9/12/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt4988d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 4988d old
    Poll was fielded 4988 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 49.0 · Josh Mandel 41.0pollarch
9/11/2012NBC/WSJ/Marist Poll1.00979±3.1unknown
no scored polls4989d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 4989d old
    Poll was fielded 4989 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 49.0 · Josh Mandel 42.0pollarch
9/9/2012Public Policy Polling1.00(D+1.1)1072±3.0unknown
4991d olduncorrelated with editorial consensus+1
  • 4991d old
    Poll was fielded 4991 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 40.0pollarch
9/8/2012Gravis Marketing0.72L(D+2.9)1548±2.7unknown
bias D+2.9pt4992d old+2
  • bias D+2.9pt
    Across 33 historical scored polls the average error vs. actual margin is D+2.9pt.
  • 4992d old
    Poll was fielded 4992 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 49 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • n=1,548
    Sample size of 1,548 respondents implies a margin of error around ±2.5pt — tighter than the ~600-respondent typical.
Sherrod Brown 47.0 · Josh Mandel 42.0pollarch
8/25/2012Columbus Dispatch1.001758±2.1unknown
no scored polls5006d old+1
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 5006d old
    Poll was fielded 5006 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,758
    Sample size of 1,758 respondents implies a margin of error around ±2.3pt — tighter than the ~600-respondent typical.
Sherrod Brown 44.0 · Josh Mandel 44.0pollarch
8/21/2012Quinnipiac0.83R(R+3.7)1253±2.8unknown
5010d old
  • 5010d old
    Poll was fielded 5010 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 48.0 · Josh Mandel 45.0pollarch
8/21/2012Ohio Poll1.00847±3.4unknown
no scored polls5010d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 5010d old
    Poll was fielded 5010 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 48.0 · Josh Mandel 47.0pollarch
8/13/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5018d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5018d old
    Poll was fielded 5018 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 44.0 · Josh Mandel 44.0pollarch
7/30/2012Quinnipiac0.83R(R+3.7)1193±2.8unknown
5032d old
  • 5032d old
    Poll was fielded 5032 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 51.0 · Josh Mandel 39.0pollarch
7/24/2012Magellan Strategies0.94neutral(R+0.3)597±4.0unknown
5038d old
  • 5038d old
    Poll was fielded 5038 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 45.0 · Josh Mandel 38.0pollarch
7/18/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5044d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5044d old
    Poll was fielded 5044 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 46.0 · Josh Mandel 42.0pollarch
6/25/2012Quinnipiac0.83R(R+3.7)1237±2.8unknown
5067d old
  • 5067d old
    Poll was fielded 5067 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 50.0 · Josh Mandel 34.0pollarch
6/24/2012Public Policy Polling1.00(D+1.1)673±3.8unknown
5068d olduncorrelated with editorial consensus+1
  • 5068d old
    Poll was fielded 5068 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 46.0 · Josh Mandel 39.0pollarch
5/29/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5094d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5094d old
    Poll was fielded 5094 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 47.0 · Josh Mandel 42.0pollarch
5/20/2012NBC News/Marist0.75L(D+5.1)1103±3.0unknown
historical bias D+5.1pt5103d old+1
  • historical bias D+5.1pt
    Across 11 historical scored polls the average error vs. actual margin is D+5.1pt — a measurable house effect.
  • 5103d old
    Poll was fielded 5103 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 12 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 51.0 · Josh Mandel 37.0pollarch
5/7/2012Quinnipiac0.83R(R+3.7)1069±3.0unknown
5116d old
  • 5116d old
    Poll was fielded 5116 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 46.0 · Josh Mandel 40.0pollarch
5/6/2012Public Policy Polling1.00(D+1.1)875±3.3unknown
5117d olduncorrelated with editorial consensus+1
  • 5117d old
    Poll was fielded 5117 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 45.0 · Josh Mandel 37.0pollarch
4/18/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5135d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5135d old
    Poll was fielded 5135 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 44.0 · Josh Mandel 41.0pollarch
3/26/2012Quinnipiac0.83R(R+3.7)1246±2.8unknown
5158d old
  • 5158d old
    Poll was fielded 5158 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 46.0 · Josh Mandel 36.0pollarch
3/26/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5158d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5158d old
    Poll was fielded 5158 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 43.0 · Josh Mandel 43.0pollarch
3/2/2012NBC News/Marist0.75L(D+5.1)3079±1.8unknown
historical bias D+5.1pt5182d old+2
  • historical bias D+5.1pt
    Across 11 historical scored polls the average error vs. actual margin is D+5.1pt — a measurable house effect.
  • 5182d old
    Poll was fielded 5182 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=3,079
    Sample size of 3,079 respondents implies a margin of error around ±1.8pt — tighter than the ~600-respondent typical.
  • tracks editorial consensus
    Across 12 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 47.0 · Josh Mandel 37.0pollarch
2/12/2012Quinnipiac0.83R(R+3.7)500±4.5unknown
5201d old
  • 5201d old
    Poll was fielded 5201 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 48.0 · Josh Mandel 35.0pollarch
2/8/2012Rasmussen Reports1.00(R+2.1)500±4.5unknown
bias R+2.1pt5205d old+1
  • bias R+2.1pt
    Across 50 historical scored polls the average error vs. actual margin is R+2.1pt.
  • 5205d old
    Poll was fielded 5205 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 74 historical paired polls, this pollster's D-margins track the rater consensus (Cook / Sabato / IE / 538 / DDHQ etc.) with high correlation (r ≥ 0.85) and small mean delta (|Δ| ≤ 2pt). Their results align with conventional wisdom.
Sherrod Brown 44.0 · Josh Mandel 40.0pollarch
1/29/2012Public Policy Polling1.00(D+1.1)820±3.4unknown
5215d olduncorrelated with editorial consensus+1
  • 5215d old
    Poll was fielded 5215 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 47.0 · Josh Mandel 36.0pollarch
1/16/2012Quinnipiac0.83R(R+3.7)1610±2.4unknown
5228d oldn=1,610
  • 5228d old
    Poll was fielded 5228 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,610
    Sample size of 1,610 respondents implies a margin of error around ±2.4pt — tighter than the ~600-respondent typical.
Sherrod Brown 47.0 · Josh Mandel 32.0pollarch
11/6/2011Public Policy Polling1.00(D+1.1)1421±2.6unknown
5299d olduncorrelated with editorial consensus+1
  • 5299d old
    Poll was fielded 5299 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 35.0pollarch
10/23/2011Quinnipiac0.83R(R+3.7)1668±2.4unknown
5313d oldn=1,668
  • 5313d old
    Poll was fielded 5313 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,668
    Sample size of 1,668 respondents implies a margin of error around ±2.4pt — tighter than the ~600-respondent typical.
Sherrod Brown 49.0 · Josh Mandel 34.0pollarch
10/23/2011Quinnipiac0.83R(R+3.7)1668±2.4unknown
5313d oldn=1,668
  • 5313d old
    Poll was fielded 5313 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,668
    Sample size of 1,668 respondents implies a margin of error around ±2.4pt — tighter than the ~600-respondent typical.
Sherrod Brown 51.0 · Kevin Coughlin 30.0pollarch
10/16/2011Public Policy Polling1.00(D+1.1)581±4.1unknown
5320d olduncorrelated with editorial consensus+1
  • 5320d old
    Poll was fielded 5320 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 40.0pollarch
10/16/2011Public Policy Polling1.00(D+1.1)581±4.1unknown
5320d olduncorrelated with editorial consensus+1
  • 5320d old
    Poll was fielded 5320 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Kevin Coughlin 37.0pollarch
9/25/2011Quinnipiac0.83R(R+3.7)1301±2.7unknown
5341d old
  • 5341d old
    Poll was fielded 5341 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 49.0 · Josh Mandel 36.0pollarch
9/25/2011Quinnipiac0.83R(R+3.7)1301±2.7unknown
5341d old
  • 5341d old
    Poll was fielded 5341 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 53.0 · Kevin Coughlin 32.0pollarch
8/14/2011Public Policy Polling1.00(D+1.1)792±3.5unknown
5383d olduncorrelated with editorial consensus+1
  • 5383d old
    Poll was fielded 5383 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 33.0pollarch
8/14/2011Public Policy Polling1.00(D+1.1)792±3.5unknown
5383d olduncorrelated with editorial consensus+1
  • 5383d old
    Poll was fielded 5383 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 47.0 · Kevin Coughlin 33.0pollarch
8/14/2011Public Policy Polling1.00(D+1.1)792±3.5unknown
5383d olduncorrelated with editorial consensus+1
  • 5383d old
    Poll was fielded 5383 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 47.0 · Jim Jordan 35.0pollarch
8/14/2011Public Policy Polling1.00(D+1.1)792±3.5unknown
5383d olduncorrelated with editorial consensus+1
  • 5383d old
    Poll was fielded 5383 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 46.0 · Jim Tressel 34.0pollarch
7/18/2011Quinnipiac0.83R(R+3.7)1659±4.1unknown
5410d oldn=1,659
  • 5410d old
    Poll was fielded 5410 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,659
    Sample size of 1,659 respondents implies a margin of error around ±2.4pt — tighter than the ~600-respondent typical.
Sherrod Brown 49.0 · Josh Mandel 34.0pollarch
7/18/2011Quinnipiac0.83R(R+3.7)1659±4.1unknown
5410d oldn=1,659
  • 5410d old
    Poll was fielded 5410 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • n=1,659
    Sample size of 1,659 respondents implies a margin of error around ±2.4pt — tighter than the ~600-respondent typical.
Sherrod Brown 50.0 · Kevin Coughlin 32.0pollarch
5/22/2011Public Policy Polling1.00(D+1.1)565±4.1unknown
5467d olduncorrelated with editorial consensus+1
  • 5467d old
    Poll was fielded 5467 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 31.0pollarch
5/22/2011Public Policy Polling1.00(D+1.1)565±4.1unknown
5467d olduncorrelated with editorial consensus+1
  • 5467d old
    Poll was fielded 5467 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 51.0 · Ken Blackwell 33.0pollarch
5/22/2011Public Policy Polling1.00(D+1.1)565±4.1unknown
5467d olduncorrelated with editorial consensus+1
  • 5467d old
    Poll was fielded 5467 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 51.0 · Kevin Coughlin 30.0pollarch
5/22/2011Public Policy Polling1.00(D+1.1)565±4.1unknown
5467d olduncorrelated with editorial consensus+1
  • 5467d old
    Poll was fielded 5467 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Jim Jordan 31.0pollarch
5/22/2011Public Policy Polling1.00(D+1.1)565±4.1unknown
5467d olduncorrelated with editorial consensus+1
  • 5467d old
    Poll was fielded 5467 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 50.0 · Mary Taylor 31.0pollarch
5/16/2011Quinnipiac0.83R(R+3.7)1379±2.6unknown
5473d old
  • 5473d old
    Poll was fielded 5473 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 45.0 · Josh Mandel 31.0pollarch
5/16/2011Quinnipiac0.83R(R+3.7)1379±2.6unknown
5473d old
  • 5473d old
    Poll was fielded 5473 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 44.0 · Ken Blackwell 35.0pollarch
5/16/2011Quinnipiac0.83R(R+3.7)1379±2.6unknown
5473d old
  • 5473d old
    Poll was fielded 5473 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Sherrod Brown 44.0 · Kevin Coughlin 28.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Josh Mandel 32.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Drew Carey 34.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Jon Husted 34.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Jim Jordan 30.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 48.0 · Steve LaTourette 30.0pollarch
3/13/2011Public Policy Polling1.00(D+1.1)559±4.1unknown
5537d olduncorrelated with editorial consensus+1
  • 5537d old
    Poll was fielded 5537 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 49.0 · Mary Taylor 30.0pollarch
12/12/2010Public Policy Polling1.00(D+1.1)510±4.3unknown
5628d olduncorrelated with editorial consensus+1
  • 5628d old
    Poll was fielded 5628 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 43.0 · Mike DeWine 43.0pollarch
12/12/2010Public Policy Polling1.00(D+1.1)510±4.3unknown
5628d olduncorrelated with editorial consensus+1
  • 5628d old
    Poll was fielded 5628 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 43.0 · Jon Husted 38.0pollarch
12/12/2010Public Policy Polling1.00(D+1.1)510±4.3unknown
5628d olduncorrelated with editorial consensus+1
  • 5628d old
    Poll was fielded 5628 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 43.0 · Jim Jordan 35.0pollarch
12/12/2010Public Policy Polling1.00(D+1.1)510±4.3unknown
5628d olduncorrelated with editorial consensus+1
  • 5628d old
    Poll was fielded 5628 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 368 historical paired polls, this pollster's margins don't track the editorial consensus (Pearson r < 0.5). Independence from consensus is informational — could indicate genuine methodological independence or noisy results.
  • bias D+1.1pt
    Across 72 historical scored polls the average error vs. actual margin is D+1.1pt.
Sherrod Brown 40.0 · Mary Taylor 38.0pollarch

Trust signals are deterministic flags computed from the pollster scorecard (track-record size, historical bias, aggregation weight) and the poll itself (sample size, population, age, citation availability). No interpretation; click any row to see the cited numbers behind each flag.

Editorial ratings · poll-vs-rater

3 raters
Rater Rating Updated Poll D-marg. Rater marg. Δ poll−rater
The Cook Political Report Lean D Nov 1 +3.5
Real Clear Politics Lean D Nov 5 +3.5
Sabato's Crystal Ball Lean D Nov 5 +3.5

Δ POLL−RATER = polling-consensus margin minus the rater's implied bucket midpoint. Positive = polls more D than rater; negative = rater more D than polls. |Δ| < 0.6 well-aligned · 0.6–1.5 mild divergence · ≥1.5 contested call.

last poll 165 months ago (11/4/2012) last market quote rating computed 1 day ago
Rating history (1 change)
  • 5/6/2026 Lean R via pvi