Pollster · 145 of 1769
Research Co.
Polls scored
50
Mean error
4.0 pt
Signed bias
D+1.41
Aggregation weight
1.01
Composite quality score
0–100 · weighted of 5 measured components60
of 100 · tier · strong
Strong on the components we measure; one or two areas pull the composite below the elite threshold.
Pollster vs editorial consensus
alignedAcross 53 graded races, Research Co.'s released topline differed from the median editorial-rater consensus by an average of -0.7pp. That's well-aligned with the consensus — useful as a sanity check, less useful as a contrarian signal.
Mean delta
-0.7pp
Median delta
-1.0pp
Std-dev
5.5pp
N graded
53
Recent activity
Total all time
89
Last 30d
0
Last 90d
0
Last 180d
0
Per-cycle debrief appearances
| Cycle | Rank | Polls | MAE | Signed bias |
|---|---|---|---|---|
| 2024 | #16 / 26 | 11 | 4.47 pt | D+4.47 pp |
| 2022 | #10 / 36 | 19 | 2.98 pt | D+0.38 pp |
| 2020 | #19 / 20 | 3 | 8.65 pt | D+8.65 pp |
| 2018 | #8 / 25 | 17 | 3.87 pt | R+0.69 pp |
Recent polls
- 11/2/2024Missouri · Governor · 2024Mike Kehoe 52.0 · Crystal Quade 38.0
- 11/2/2024Washington · Governor · 2024Bob Ferguson 54.0 · Dave Reichert 40.0
- 11/2/2024Florida · Senate · 2024Rick Scott 50.0 · Debbie Mucarsel- Powell 43.0
- 11/2/2024Michigan · Senate · 2024Elissa Slotkin 50.0 · Mike Rogers 44.0
- 11/2/2024Minnesota · Senate · 2024Royce White 38.0
- 11/2/2024Missouri · Senate · 2024Josh Hawley 52.0 · Lucas Kunce 41.0
- 11/2/2024New Jersey · Senate · 2024Andy Kim 56.0 · Curtis Bashaw 38.0
- 11/2/2024New York · Senate · 2024Kirsten Gillibrand 61.0 · Mike Sapraicone 33.0
- 11/2/2024Pennsylvania · Senate · 2024Bob Casey Jr. 48.0 · Dave McCormick 46.0
- 11/2/2024Virginia · Senate · 2024Tim Kaine 53.0 · Hung Cao 41.0