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

Susquehanna Polling & Research Inc.

Method: live phone · scored polls from 2006 to 2024

Versus the field
−0.09
points of error vs. other pollsters in the same races, after shrinkage (unshrunk −0.36; 28% own record)
Average miss
4.7
points on the margin, as published
House effect
R+0.5
lean relative to other polls of the same races
Scored polls
89
57 races · 4 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
200626.61.9D+5.3
200838.13.1D+3.1
2010244.80.5D+2.3
2012156.0+2.3R+3.8
201434.3+1.2R+5.5
201644.40.3R+0.9
201868.6+4.4D+5.9
2020142.42.9R+3.7
202282.51.0R+0.9
2024104.4+0.6R+1.5
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Aug 17, 2026Senate MIAbdul El-Sayed v. Mike RogersD+7
Mar 29, 2026Governor PAJosh Shapiro v. Stacy GarrityD+22
Sep 28, 2025Governor PAJosh Shapiro v. Stacy GarrityD+18
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 31, 20242024 Senate, NVR+1D+1.6R+2.4D+6.3
Oct 31, 20242024 President, NVR+6R+3.1R+2.9D+3.9
Oct 27, 20242024 Senate, MID+1D+0.3D+0.3D+4.3
Oct 27, 20242024 President, MID+5R+1.4D+6.5D+3.6
Oct 22, 20242024 Senate, PAD+3R+0.2D+3.0D+4.7
Oct 22, 20242024 President, PAEvenR+1.7D+1.9D+2.6
Oct 7, 20242024 House, PA-10D+9R+1.3D+10.3
Oct 1, 20242024 PresidentD+5R+1.5D+6.5D+3.7
Sep 22, 20242024 Senate, PAD+8R+0.2D+8.2D+4.7
Sep 22, 20242024 President, PAEvenR+1.7D+1.7D+2.6
Nov 1, 20222022 Governor, PAD+14D+14.8R+1.2R+4.0
Nov 1, 20222022 Senate, PAR+1D+4.9R+5.9R+2.5
Oct 27, 20222022 Senate, NVR+6D+0.8R+6.4R+0.3
Oct 27, 20222022 Governor, NVR+1R+1.5D+0.3D+0.6
Oct 18, 20222022 Governor, AZD+1D+0.7EvenR+1.7
Oct 18, 20222022 Senate, AZD+3D+4.9R+1.7R+0.9
Oct 11, 20222022 Generic ballotEvenR+2.6D+2.6D+2.9
Sep 27, 20222022 Generic ballotR+1R+2.6D+1.6D+2.9
Nov 2, 20202020 President, PAR+1D+1.2R+2.0D+4.2
Nov 1, 20202020 President, FLR+1R+3.4D+2.4D+5.5
Oct 31, 20202020 President, WID+3D+0.6D+2.4D+6.4
Oct 25, 20202020 President, FLR+5R+3.4R+1.1D+5.5
Oct 22, 20202020 President, AZEvenD+0.3R+0.7D+2.4
Oct 22, 20202020 Senate, AZR+3D+2.3R+5.3D+4.3
Oct 19, 20202020 President, WIEvenD+0.6R+0.6D+6.4
Oct 11, 20202020 Senate, NCD+2R+1.7D+3.7D+6.2
Oct 11, 20202020 President, NCD+2R+1.3D+3.3D+2.8
Sep 28, 20202020 President, AZD+1D+0.3D+0.7D+2.4
Sep 28, 20202020 Senate, AZD+4D+2.3D+1.7D+4.3
Sep 26, 20202020 President, WID+2D+0.6D+1.4D+6.4
Sep 26, 20202020 President, FLD+4R+3.4D+7.4D+5.5
Sep 4, 20202020 President, PAD+2D+1.2D+0.8D+4.2
Oct 30, 20182018 House, PA-16D+4R+4.3D+8.3R+3.5
Oct 29, 20182018 House, PA-8D+17D+9.3D+7.7D+3.3
Oct 26, 20182018 House, PA-13R+21R+41.0D+20.0
Oct 25, 20182018 House, PA-9R+21R+19.5R+1.5
Oct 22, 20182018 House, PA-11R+4R+18.0D+14.0D+5.1
Oct 21, 20182018 House, PA-10R+3R+2.6R+0.4D+1.1
Oct 31, 20162016 Senate, PAD+6R+1.4D+7.4D+2.5
Oct 31, 20162016 President, PAD+2R+0.7D+2.7D+5.4
Oct 6, 20162016 President, PAD+4R+0.7D+4.7D+5.4
Oct 6, 20162016 Senate, PAR+4R+1.4R+2.6D+2.5
Oct 16, 20142014 Senate, SCR+27R+22.1R+4.9R+1.2
Oct 16, 20142014 Senate, SCR+20R+17.4R+2.6D+0.3
Oct 16, 20142014 Governor, SCR+20R+14.5R+5.5D+4.5
Oct 30, 20122012 President, PAEvenD+5.4R+5.4D+1.0
Oct 30, 20122012 Senate, PAD+1D+9.1R+8.1R+2.2
Oct 23, 20122012 Senate, FLD+5D+13.0R+8.0R+4.5
Oct 23, 20122012 President, FLR+5D+0.9R+5.9R+0.7
Oct 16, 20122012 House, FL-22EvenD+9.3R+9.3R+5.2
Oct 16, 20122012 House, FL-18R+1D+0.6R+1.6R+3.6
Oct 12, 20122012 Senate, PAR-ALIGNEDR+2D+9.1R+11.1R+2.2
Oct 12, 20122012 President, PAR-ALIGNEDR+4D+5.4R+9.4D+1.0
Oct 5, 20122012 President, PAD+1D+5.4R+4.4D+1.0
Oct 5, 20122012 Senate, PAD+2D+9.1R+7.1R+2.2
Oct 1, 20122012 House, PA-12R+2R+3.5D+1.5D+6.4
Sep 19, 20122012 President, PAD+2D+5.4R+3.4D+1.0
Sep 19, 20122012 Senate, PAD+5D+9.1R+4.1R+2.2
Sep 16, 20122012 Senate, PAR-ALIGNEDD+3D+9.1R+6.1R+2.2
Sep 16, 20122012 President, PAR-ALIGNEDD+1D+5.4R+4.4D+1.0