House Effects
Sunday, November 1, 20262 days until Election Day, November 3, 2026
Pollster record · how records are scored

National Research

Method: live phone mix · scored polls from 2008 to 2025 · 68% of scored polls were for a party or campaign

Versus the field
−0.04
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +0.03; 19% own record)
Average miss
5.6
points on the margin, as published
House effect
D+0.3
lean relative to other polls of the same races
Scored polls
44
35 races · 1 polls this cycle
By cycle

Record over time

Error relative to other pollsters in the same races (negative is better), and lean relative to them. Cycles with fewer than 10 scored polls are grayed: a handful of polls says little.

CyclePollsAvg. missVersus the fieldLean vs. field
200826.7−1.4R+7.9
201086.9+1.5D+0.1
201256.4+1.5D+0.5
201453.7−0.1D+0.2
201663.0−2.1R+3.3
201848.8+4.1R+1.8
202094.0−1.0D+4.3
202110.2−5.2R+1.3
202425.1−0.1D+4.3
2025213.4+3.5Even
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Oct 15, 2026FL-25Jared Moskowitz v. Scott SingerR+7
The receipts

Most recent scored polls

Polls in the final two months of a race with a certified result. “Others” is the average miss of other pollsters in the same race.

Poll dateRacePollResultMissOthers' miss
Sep 18, 20252025-GOV-NJ R-ALIGNEDR+1D+14.4R+15.4R+9.4
Sep 10, 20252025-GOV-NJ R-ALIGNEDD+3D+14.4R+11.4R+9.4
Sep 29, 20242024 Senate, AZR-ALIGNEDD+6D+2.4D+3.6D+4.8
Sep 29, 20242024 President, AZR-ALIGNEDD+1R+5.5D+6.5D+4.5
Sep 16, 20212021 Governor, NJR-ALIGNEDD+3D+3.2R+0.2D+5.0
Jan 3, 20212020 Senate, GAR-ALIGNEDD+1D+2.1R+1.1R+1.2
Jan 3, 20212020 Senate, GAR-ALIGNEDD+1D+1.2R+0.2R+1.1
Oct 15, 20202020 President, GAR-ALIGNEDD+4D+0.2D+3.8D+0.3
Oct 15, 20202020 Senate, GAR-ALIGNEDEvenR+1.8D+1.8D+1.3
Oct 8, 20202020 President, IAR-ALIGNEDD+2R+8.2D+10.2D+6.9
Oct 8, 20202020 Senate, IAR-ALIGNEDR+1R+6.6D+5.6D+7.4
Oct 7, 20202020 House, MI-3R-ALIGNEDR+7R+5.9R+1.1D+4.4
Oct 6, 20202020 President, MIR-ALIGNEDD+9D+2.8D+6.2D+4.3
Oct 6, 20202020 Senate, MIR-ALIGNEDD+8D+1.7D+6.3D+5.3
Oct 17, 20182018 Senate, NJR-ALIGNEDD+2D+11.2R+9.2R+3.3
Oct 9, 20182018 Senate, NJR-ALIGNEDD+2D+11.2R+9.2R+3.3
Oct 4, 20182018 House, NJ-3R-ALIGNEDR+4D+1.3R+5.3D+1.1
Sep 27, 20182018 House, NJ-11R-ALIGNEDD+3D+14.6R+11.6R+7.1
Oct 16, 20162016 President, NCD+2R+3.7D+5.7D+4.9
Oct 16, 20162016 Governor, NCR+4D+0.2R+4.2D+2.5
Oct 16, 20162016 Senate, NCR+7R+5.7R+1.3D+3.7
Sep 11, 20162016 President, NCEvenR+3.7D+3.7D+4.9
Sep 11, 20162016 Senate, NCR+5R+5.7D+0.7D+3.7
Sep 11, 20162016 Governor, NCR+2D+0.2R+2.2D+2.5
Oct 29, 20142014 Senate, NCEvenR+1.6D+1.6D+3.0
Oct 17, 20142014 Senate, NCR+1R+1.6D+0.6D+3.0
Oct 1, 20142014 House, FL-2R-ALIGNEDR+6D+1.1R+7.1R+2.0
Oct 1, 20142014 House, NJ-3R-ALIGNEDR+7R+9.6D+2.6D+4.1
Sep 26, 20142014 Senate, NCD+5R+1.6D+6.6D+3.0
Oct 22, 20122012 House, CT-5R-ALIGNEDR+6D+3.1R+9.1R+4.6
Oct 20, 20122012 President, NCR+1R+2.0D+1.0D+0.6
Oct 1, 20122012 Senate, CTR+3D+12.5R+15.5R+9.8
Sep 18, 20122012 Governor, NCR+11R+11.4D+0.4R+2.7
Sep 18, 20122012 President, NCD+4R+2.0D+6.0D+0.6
Oct 20, 20102010 House, MI-7R-ALIGNEDR+13R+4.8R+8.2D+7.0
Oct 17, 20102010 House, CT-4R-ALIGNEDR+4D+4.0R+8.0R+4.0
Oct 8, 20102010 Senate, AKR-ALIGNEDR+6R+12.1D+6.1D+1.9
Oct 5, 20102010 House, AZ-5R-ALIGNEDR+2R+8.8D+6.8D+4.8
Oct 5, 20102010 House, NJ-6R-ALIGNEDD+1D+11.0R+10.0R+1.5
Sep 29, 20102010 House, FL-2R-ALIGNEDR+16R+12.2R+3.8R+4.8
Sep 27, 20102010 House, CT-4R-ALIGNEDEvenD+4.0R+4.0R+4.0
Sep 16, 20102010 Senate, NCR+20R+11.8R+8.2R+2.1
Oct 21, 20082008 House, NJ-7R-ALIGNEDR+9R+8.0R+1.0D+8.5
Sep 15, 20082008 House, MI-7R-ALIGNEDR+10D+2.3R+12.3D+1.8