House Effects
Monday, September 21, 202643 days until Election Day, November 3, 2026
Pollster record · how records are scored

GQR

Method: live phone · scored polls from 1998 to 2025 · 97% of scored polls were for a party or campaign

Versus the field
+0.09
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +0.21; 37% own record)
Average miss
5.2
points on the margin, as published
House effect
R+0.6
lean relative to other polls of the same races
Scored polls
181
104 races · 7 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
199814.9+0.2R+1.2
2000103.10.2R+0.8
200285.80.4R+1.9
2004274.6+0.8R+1.9
2006115.91.0R+1.2
2008304.11.0R+0.6
200965.7+1.4R+0.1
2010185.4+1.1D+0.5
2012152.71.2R+1.4
2014137.9+2.0D+0.5
2016136.0+0.8R+4.2
201895.10.1R+0.8
202068.7+2.3D+1.1
202274.9+0.6R+1.2
202469.4+4.2D+0.3
202512.47.2D+3.3
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Aug 23, 2026PA-1Bob Harvie v. Brian FitzpatrickR+1
Aug 6, 2026FL-13Leela Gray v. Anna Paulina LunaR+3
Jul 26, 2026Senate MTAlani Bankhead v. Kurt AlmeR+19
Jul 22, 2026SC-1Nancy Lacore v. Jenny Costa HoneycuttR+2
Jun 28, 2026KY-6Zach Dembo v. Ralph AlvaradoR+3
Jun 28, 2026NC-1Don Davis v. Laurie BuckhoutD+4
Feb 2, 2026NC-1Don Davis v. Laurie BuckhoutD+3
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
Oct 20, 20252025-GOV-NJ D-ALIGNEDD+12D+14.4R+2.4R+9.6
Oct 26, 20242024 Senate, MOD-ALIGNEDR+3R+13.7D+10.7D+3.3
Oct 13, 20242024 House, NC-1D-ALIGNEDD+11D+1.7D+9.3D+5.3
Sep 23, 20242024 House, TX-15D-ALIGNEDR+3R+14.2D+11.2
Sep 22, 20242024 House, IA-3D-ALIGNEDD+4R+3.8D+7.8D+6.8
Sep 12, 20242024 Senate, MOD-ALIGNEDR+4R+13.7D+9.7D+3.3
Sep 12, 20242024 President, MOD-ALIGNEDR+11R+18.4D+7.4D+5.4
Nov 8, 20222022 Generic ballotD-ALIGNEDR+2R+2.6D+0.6D+2.9
Oct 23, 20222022 Generic ballotD-ALIGNEDEvenR+2.6D+2.6D+2.9
Oct 13, 20222022 House, NC-1D-ALIGNEDD+15D+4.7D+10.3
Sep 30, 20222022 Generic ballotD+4R+2.6D+6.6D+2.9
Sep 26, 20222022 House, NJ-7D-ALIGNEDEvenR+2.8D+2.8
Sep 15, 20222022 House, PA-8D-ALIGNEDD+8D+2.4D+5.6Even
Sep 15, 20222022 Generic ballotD-ALIGNEDD+3R+2.6D+5.6D+2.9
Oct 8, 20202020 House, NY-1D-ALIGNEDR+1R+7.3D+6.3
Oct 7, 20202020 House, SC-1D-ALIGNEDD+13R+1.3D+14.3D+3.2
Sep 26, 20202020 House, WA-3D-ALIGNEDR+2R+13.0D+11.0D+7.1
Sep 26, 20202020 House, AZ-6D-ALIGNEDD+4R+4.3D+8.3D+1.4
Sep 6, 20202020 House, FL-15D-ALIGNEDR+7R+10.8D+3.8D+3.8
Sep 3, 20202020 President, FLD-ALIGNEDD+5R+3.4D+8.4D+5.4
Oct 26, 20182018 Governor, NMD-ALIGNEDD+9D+14.4R+5.4R+6.4
Oct 18, 20182018 House, FL-15D-ALIGNEDEvenR+6.0D+6.0D+4.2
Oct 4, 20182018 House, FL-6D-ALIGNEDEvenR+12.6D+12.6D+7.6
Sep 30, 20182018 House, NE-2D-ALIGNEDR+4R+2.0R+2.0R+6.4
Sep 27, 20182018 House, FL-26D-ALIGNEDD+1D+1.7R+0.7R+3.5
Sep 23, 20182018 Generic ballotD-ALIGNEDD+9D+8.5D+0.5R+0.9
Sep 20, 20182018 House, MI-8D-ALIGNEDD+4D+3.8D+0.2R+4.4
Sep 8, 20182018 House, FL-15D-ALIGNEDD+1R+6.0D+7.0D+4.2
Sep 6, 20182018 House, FL-6D-ALIGNEDR+1R+12.6D+11.6D+7.6
Oct 23, 20162016 HouseD-ALIGNEDR+1R+1.0EvenD+4.9
Oct 23, 20162016 PresidentD-ALIGNEDD+12D+2.2D+9.8D+3.1
Oct 11, 20162016 House, IA-3D-ALIGNEDR+3R+13.7D+10.7D+4.4
Oct 1, 20162016 Governor, NHEvenR+2.3D+2.3D+2.6
Oct 1, 20162016 President, NHD+8D+0.4D+7.6D+3.8
Sep 14, 20162016 Senate, PAD-ALIGNEDR+2R+1.4R+0.6D+2.9
Sep 14, 20162016 President, PAD-ALIGNEDD+8R+0.7D+8.7D+5.4
Sep 14, 20162016 President, OHD-ALIGNEDR+2R+8.1D+6.1D+7.9
Sep 14, 20162016 President, NVD-ALIGNEDEvenD+2.4R+2.4R+1.3
Sep 14, 20162016 President, NCD-ALIGNEDD+4R+3.7D+7.7D+5.0
Sep 14, 20162016 Senate, NCD-ALIGNEDR+16R+5.7R+10.3D+4.4
Sep 14, 20162016 Senate, OHD-ALIGNEDR+17R+20.9D+3.9D+6.3
Sep 14, 20162016 Senate, NVD-ALIGNEDR+6D+2.4R+8.4R+3.1
Oct 21, 20142014 Governor, MAD-ALIGNEDD+1R+1.9D+2.9R+0.1
Oct 18, 20142014 HouseD-ALIGNEDEvenR+5.6D+5.6D+4.3
Oct 6, 20142014 Governor, MED-ALIGNEDD+4R+4.8D+8.8D+4.2
Oct 1, 20142014 House, IA-3D-ALIGNEDD+7R+10.5D+17.5D+9.1
Sep 27, 20142014 House, MN-8D-ALIGNEDD+11D+1.4D+9.6R+9.4
Sep 27, 20142014 Senate, IAD-ALIGNEDD+1R+8.3D+9.3D+5.9
Sep 26, 20142014 Senate, GAD-ALIGNEDR+5R+7.7D+2.7D+5.2
Sep 26, 20142014 Senate, NCD-ALIGNEDD+4R+1.6D+5.6D+3.0
Sep 26, 20142014 Senate, COD-ALIGNEDEvenR+1.9D+1.9R+0.9
Sep 26, 20142014 Senate, IAD-ALIGNEDR+1R+8.3D+7.3D+5.9
Sep 22, 20142014 Governor, MED-ALIGNEDD+6R+4.8D+10.8D+4.2
Sep 16, 20142014 House, IA-3D-ALIGNEDD+3R+10.5D+13.5D+9.1
Sep 9, 20142014 Governor, MED-ALIGNEDD+2R+4.8D+6.8D+4.2
Nov 3, 20122012 HouseD-ALIGNEDEvenD+1.1R+1.1Even
Nov 3, 20122012 PresidentD-ALIGNEDD+4D+3.9D+0.1R+1.6
Oct 20, 20122012 PresidentD-ALIGNEDD+3D+3.9R+0.9R+1.6
Oct 20, 20122012 HouseD-ALIGNEDD+3D+1.1D+1.9Even
Oct 8, 20122012 House, MI-3D-ALIGNEDR+4R+8.4D+4.4D+3.9