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

Normington, Petts & Associates

Method: live phone mix · scored polls from 2002 to 2024 · 100% of scored polls were for a party or campaign

Versus the field
+0.02
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +0.32; 18% own record)
Average miss
8.0
points on the margin, as published
House effect
D+0.3
lean relative to other polls of the same races
Scored polls
56
53 races · 8 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
200229.0+3.3D+2.6
2004313.1+5.5D+1.1
2006105.90.8D+1.2
2008710.21.0D+1.6
2010810.0+2.3D+4.5
201227.3+1.7D+5.5
201456.32.0Even
2016107.40.8R+1.4
201821.12.9R+2.3
2020510.3+4.7D+2.1
202423.3+0.7R+1.1
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Aug 31, 2026TX-35Johnny Garcia v. Carlos De La CruzR+1
Jul 27, 2026TX-15Bobby Pulido v. Monica De La CruzD+6
Jun 11, 2026AZ-6JoAnna Mendoza v. Juan CiscomaniD+2
Apr 23, 2026PA-10Janelle Stelson v. Scott PerryD+6
Sep 16, 2025Generic ballotD+2
Mar 19, 2025Generic ballotEven
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 15, 20242024 House, CA-45D-ALIGNEDD+3D+0.2D+2.8R+0.3
Oct 7, 20242024 House, WI-3D-ALIGNEDD+1R+2.7D+3.7D+1.2
Oct 14, 20202020 House, MN-2D-ALIGNEDD+18D+2.3D+15.7
Sep 23, 20202020 House, CA-25D-ALIGNEDD+6R+0.1D+6.1R+1.8
Sep 14, 20202020 House, MO-2D-ALIGNEDEvenR+6.4D+6.4D+6.4
Sep 3, 20202020 House, OK-5D-ALIGNEDD+8R+4.1D+12.1D+2.1
Sep 3, 20202020 House, OH-1D-ALIGNEDD+4R+7.1D+11.1D+5.1
Sep 23, 20182018 House, CO-6D-ALIGNEDD+11D+11.2R+0.2R+3.7
Sep 20, 20182018 House, VA-7D-ALIGNEDEvenD+1.9R+1.9R+1.7
Oct 12, 20162016 House, IN-9D-ALIGNEDR+2R+13.7D+11.7D+9.7
Oct 10, 20162016 House, IA-1D-ALIGNEDR+1R+7.7D+6.7D+1.4
Oct 2, 20162016 President, M2D-ALIGNEDD+4R+10.3D+14.3D+7.4
Oct 2, 20162016 House, ME-2D-ALIGNEDD+1R+9.6D+10.6D+7.6
Sep 28, 20162016 President, ILD-ALIGNEDD+17D+17.1R+0.1D+0.2
Sep 28, 20162016 House, IL-10D-ALIGNEDD+5D+5.2R+0.2R+3.7
Sep 28, 20162016 Senate, ILD-ALIGNEDD+9D+15.1R+6.1R+3.9
Sep 21, 20162016 President, M2D-ALIGNEDR+4R+10.3D+6.3D+7.4
Sep 21, 20162016 House, ME-2D-ALIGNEDEvenR+9.6D+9.6D+7.6
Sep 20, 20162016 House, NH-1D-ALIGNEDD+10D+1.3D+8.7D+3.0
Oct 15, 20142014 House, ME-2D-ALIGNEDD+8R+5.2D+13.2D+2.9
Oct 7, 20142014 Governor, MED-ALIGNEDD+2R+4.8D+6.8D+4.4
Oct 5, 20142014 House, MA-6D-ALIGNEDD+12D+13.8R+1.8R+10.4
Sep 5, 20142014 House, NH-2D-ALIGNEDD+6D+10.0R+4.0R+5.7
Sep 5, 20142014 House, NH-1D-ALIGNEDD+2R+3.6D+5.6D+9.0
Oct 8, 20122012 House, ME-2D-ALIGNEDD+25D+16.4D+8.6R+0.7
Sep 18, 20122012 House, WI-8D-ALIGNEDR+6R+12.0D+6.0
Oct 23, 20102010 House, CA-20D-ALIGNEDD+6D+3.4D+2.6R+17.1
Oct 17, 20102010 Senate, KYD-ALIGNEDD+2R+11.5D+13.5D+4.5
Oct 5, 20102010 Senate, PAD-ALIGNEDR+1R+2.0D+1.0R+2.8
Oct 4, 20102010 House, TX-17D-ALIGNEDR+4R+25.2D+21.2D+12.5
Oct 3, 20102010 House, IA-3D-ALIGNEDD+8D+4.2D+3.8D+4.3
Sep 26, 20102010 House, AZ-5D-ALIGNEDD+3R+8.8D+11.8D+5.4
Sep 22, 20102010 House, SD-1D-ALIGNEDD+13R+2.2D+15.2D+2.4
Sep 7, 20102010 House, CO-4D-ALIGNEDEvenR+11.1D+11.1D+3.4
Oct 15, 20082008 House, IL-10D-ALIGNEDR+6R+5.1R+0.9D+0.1
Oct 15, 20082008 House, IL-11D-ALIGNEDD+21D+23.9R+2.9R+14.4
Oct 14, 20082008 House, VA-2D-ALIGNEDR+5D+4.9R+9.9
Oct 8, 20082008 House, WA-8D-ALIGNEDD+5R+5.6D+10.6D+5.6
Oct 7, 20082008 House, LA-6D-ALIGNEDD+17R+7.8D+24.8D+19.1
Sep 29, 20082008 House, MN-3D-ALIGNEDD+5R+7.6D+12.6D+6.6
Sep 21, 20082008 House, VA-2D-ALIGNEDR+5D+4.9R+9.9
Oct 24, 20062006 Senate, NJD-ALIGNEDD+9D+16.0R+7.0R+11.4
Oct 23, 20062006 House, IL-6D-ALIGNEDD+1R+2.7D+3.7D+3.3
Oct 18, 20062006 House, AZ-5D-ALIGNEDR+1D+4.0R+5.0R+9.1
Oct 11, 20062006 House, CT-4D-ALIGNEDD+3R+3.4D+6.4D+0.5
Oct 11, 20062006 House, IL-8D-ALIGNEDD+16D+6.9D+9.1D+3.4
Oct 10, 20062006 Senate, MOD-ALIGNEDD+5D+2.3D+2.7R+0.3
Oct 9, 20062006 House, TX-17D-ALIGNEDD+21D+17.8D+3.2R+1.4
Oct 8, 20062006 House, PA-10D-ALIGNEDD+14D+5.9D+8.1D+1.3
Oct 7, 20062006 House, IA-1D-ALIGNEDD+11D+11.9R+0.9R+6.4
Sep 20, 20062006 House, AZ-8D-ALIGNEDD+25D+12.2D+12.8D+2.0
Oct 12, 20042004 House, TX-17D-ALIGNEDD+10D+3.8D+6.2
Oct 6, 20042004 House, IL-8D-ALIGNEDR+2D+3.4R+5.4R+10.3
Sep 8, 20042004 House, TX-1D-ALIGNEDD+4R+23.8D+27.8
Oct 16, 20022002 Senate, TXD-ALIGNEDR+2R+12.0D+10.0D+4.6
Sep 22, 20022002 House, ME-2D-ALIGNEDD+12D+4.0D+8.0D+0.3