Races · Governor · 2018 · IL
Governor · open seat

J. B. Pritzker vs Bruce Rauner

Lean D · 34 polls · 0 markets Last poll 2745d 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 34 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 D

lean-d

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 · 34 results

34 of 34 polls
EndPollsterWeightLeanSampleMoEPopTrust signalsResultsSource
11/3/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2745d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2745d old
    Poll was fielded 2745 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 33.0 · J. B. Pritzker 49.0 · Kash Jackson 5.0pollarch
10/5/2018Ipsos1.00(R+1.9)968±4.0unknown
2774d oldtracks editorial consensus
  • 2774d old
    Poll was fielded 2774 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • 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.
Bruce Rauner 30.0 · J. B. Pritzker 50.0 · Kash Jackson 3.0pollarch
10/2/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2777d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2777d old
    Poll was fielded 2777 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 32.0 · J. B. Pritzker 47.0 · Kash Jackson 6.0pollarch
9/29/2018Southern Illinois University1.00715±3.7unknown
no scored polls2780d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2780d old
    Poll was fielded 2780 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 27.0 · J. B. Pritzker 49.0 · Kash Jackson 4.0pollarch
9/25/2018ALG Research (D-Forward Illinois)1.001007±3.1unknown
no scored polls2784d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2784d old
    Poll was fielded 2784 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 32.0 · J. B. Pritzker 48.0 · Kash Jackson 3.0pollarch
9/13/2018Research America Inc.1.001024±3.1unknown
no scored polls2796d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2796d old
    Poll was fielded 2796 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 27.0 · J. B. Pritzker 44.0 · Kash Jackson 4.0pollarch
8/16/2018Marist College1.00(D+2.4)734±4.4unknown
bias D+2.4pt2824d old+1
  • bias D+2.4pt
    Across 20 historical scored polls the average error vs. actual margin is D+2.4pt.
  • 2824d old
    Poll was fielded 2824 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • tracks editorial consensus
    Across 44 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.
Bruce Rauner 30.0 · J. B. Pritzker 46.0 · Kash Jackson 6.0pollarch
8/15/2018University of Illinois Springfield1.00717±3.7unknown
no scored polls2825d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2825d old
    Poll was fielded 2825 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 23.0 · J. B. Pritzker 35.0pollarch
8/14/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2826d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2826d old
    Poll was fielded 2826 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 30.0 · J. B. Pritzker 41.0 · Kash Jackson 2.0pollarch
7/29/2018Baselice & Associates (C-McCann)1.00800±3.5unknown
no scored polls2842d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2842d old
    Poll was fielded 2842 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 29.0 · J. B. Pritzker 42.0 · Kash Jackson 6.0pollarch
7/12/2018Illinois Public Opinion1.00L423±5.0unknown
commissioned by D-aligned: Internal D-alignedno scored polls+1
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2859d old
    Poll was fielded 2859 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 26.0 · J. B. Pritzker 39.0 · Kash Jackson 1.0pollarch
6/28/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2873d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2873d old
    Poll was fielded 2873 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 30.0 · J. B. Pritzker 45.0 · Kash Jackson 2.0pollarch
6/11/2018We Ask America1.00600±4.0unknown
no scored polls2890d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2890d old
    Poll was fielded 2890 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 27.0 · J. B. Pritzker 36.0pollarch
5/24/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2908d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2908d old
    Poll was fielded 2908 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 32.0 · J. B. Pritzker 47.0pollarch
4/21/2018Victory Research0.81(D+1.2)1208±2.8unknown
3 scored polls2941d old+1
  • 3 scored polls
    Pollster has only 3 historical polls with a known outcome to score against — too few for stable accuracy estimates.
  • 2941d old
    Poll was fielded 2941 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
  • uncorrelated with editorial consensus
    Across 7 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.
Bruce Rauner 31.0 · J. B. Pritzker 49.0pollarch
3/23/2018Ogden & Fry1.00667±3.9unknown
no scored polls2970d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2970d old
    Poll was fielded 2970 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 28.0 · J. B. Pritzker 46.0pollarch
2/25/2018Southern Illinois University1.001001±3.0unknown
no scored polls2996d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2996d old
    Poll was fielded 2996 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 35.0 · J. B. Pritzker 50.0pollarch
2/25/2018Paul Simon Institute1.001001±3.0unknown
no scored polls2996d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 2996d old
    Poll was fielded 2996 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 34.0 · Daniel Biss 48.0pollarch
2/6/2018Public Policy Polling (D-Biss)1.00600±3.3unknown
no scored polls3015d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3015d old
    Poll was fielded 3015 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 35.0 · J. B. Pritzker 48.0pollarch
2/6/2018Public Policy Polling (D-Biss)1.00600±3.3unknown
no scored polls3015d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3015d old
    Poll was fielded 3015 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 30.0 · Daniel Biss 47.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 30.0 · J. B. Pritzker 47.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Jeanne Ives 20.0 · J. B. Pritzker 40.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 28.0 · Chris Kennedy 41.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Kyle McCarter 22.0 · J. B. Pritzker 42.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Kyle McCarter 21.0 · Chris Kennedy 42.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Dan Proft 25.0 · J. B. Pritzker 42.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Dan Proft 23.0 · Chris Kennedy 43.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bill Brady 26.0 · J. B. Pritzker 42.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bill Brady 25.0 · Chris Kennedy 42.0pollarch
10/2/2017Ogden & Fry (R-Liberty Principles PAC)1.00517±4.4unknown
no scored polls3142d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3142d old
    Poll was fielded 3142 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Jeanne Ives 19.0 · Chris Kennedy 38.0pollarch
7/20/2017Normington Petts (D-DGA)1.00600±4.0unknown
no scored polls3216d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3216d old
    Poll was fielded 3216 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 37.0pollarch
2/20/2017Anzalone Liszt Grove1.00800±3.5unknown
commissioned by D-aligned: Internal D-alignedno scored polls+1
  • commissioned by D-aligned: Internal D-aligned
    This poll was commissioned by a Democratic-aligned committee, party, or PAC (Internal D-aligned). Such polls historically lean toward their sponsor.
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3366d old
    Poll was fielded 3366 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 32.0pollarch
1/5/2017Normington Petts (D-DGA)1.00600±4.0unknown
no scored polls3412d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3412d old
    Poll was fielded 3412 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 35.0pollarch
7/26/2016We Ask America1.00824±3.5unknown
no scored polls3575d old
  • no scored polls
    Pollster has no historical polls with a known outcome in our database, so accuracy and bias cannot be measured.
  • 3575d old
    Poll was fielded 3575 days ago. Older polls reflect an earlier state of the race and are weighted down in the rolling average.
Bruce Rauner 35.0 · Dick Durbin 44.0pollarch

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

4 raters
Rater Rating Updated Poll D-marg. Rater marg. Δ poll−rater
The Cook Political Report Likely D Oct 26 +9.0
FiveThirtyEight Likely D Nov 5 +9.0
RealClearPolitics Likely D Nov 4 +9.0
Sabato's Crystal Ball Likely D Nov 5 +9.0

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 92 months ago (11/3/2018) last market quote rating computed 1 day ago
Rating history (1 change)
  • 5/6/2026 Lean D via pvi