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

McLaughlin & Associates

Method: live phone mix · scored polls from 2000 to 2024 · 83% of scored polls were for a party or campaign

Versus the field
+0.44
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +1.85; 26% own record)
Average miss
7.8
points on the margin, as published
House effect
R+0.7
lean relative to other polls of the same races
Scored polls
88
70 races · 37 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
200074.41.8D+1.1
200122.41.7R+0.6
200214.83.0D+2.0
200461.32.8D+0.4
2006312.4+5.8R+5.2
2008611.3+0.1R+4.3
2009149.2+21.1R+23.2
201069.5+3.0R+0.4
201111.73.9D+5.4
2012268.1+4.2R+1.1
201336.9+3.5R+2.7
201434.70.0D+4.6
201657.8+1.3R+0.5
2018811.0+6.7R+7.3
202011.03.5R+5.1
202264.70.6R+4.0
202437.7+0.6R+0.8
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Aug 31, 2026Governor NYKathy Hochul v. Bruce BlakemanD+4
Aug 24, 2026Generic ballotD+5
Jul 21, 2026Generic ballotD+2
Jul 15, 2026Governor NMDeb Haaland v. Gregg HullD+1
Jun 23, 2026Generic ballotD+3
May 18, 2026Generic ballotD+4
Apr 20, 2026OH-9Marcy Kaptur v. Derek MerrinR+4
Apr 15, 2026Generic ballotD+4
Mar 9, 2026Generic ballotD+4
Mar 8, 2026Governor NYKathy Hochul v. Bruce BlakemanD+9
Jan 27, 2026Generic ballotD+2
Dec 19, 2025Generic ballotD+1
Nov 24, 2025Generic ballotD+1
Oct 27, 2025Generic ballotR+2
Sep 22, 2025Generic ballotR+6
Aug 27, 2025Governor FLDavid Jolly v. Byron DonaldsR+8
Aug 26, 2025Generic ballotR+2
Jul 24, 2025Generic ballotD+4
Jul 14, 2025Generic ballotR+5
Jun 15, 2025Generic ballotR+2
Jun 11, 2025Generic ballotR+2
May 26, 2025Generic ballotR+4
Apr 29, 2025Generic ballotR+2
Apr 19, 2025Generic ballotR+1
Mar 7, 2025Generic ballotR+3
Feb 18, 2025Generic ballotR+7
Feb 17, 2025Generic ballotR+4
Jan 27, 2025Generic ballotR+8
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 17, 20242024 House, NY-22R-ALIGNEDEvenD+9.1R+9.1
Sep 25, 20242024 Senate, FLR+7R+12.8D+5.8D+8.2
Sep 25, 20242024 President, FLR+5R+13.1D+8.1D+7.2
Oct 24, 20222022 Governor, CTR-ALIGNEDD+5D+11.4R+6.4D+4.1
Oct 17, 20222022 Generic ballotR+6R+2.6R+3.4D+3.0
Oct 12, 20222022 House, NY-17R-ALIGNEDR+6D+2.7R+8.7
Sep 25, 20222022 Governor, NYR-ALIGNEDD+6D+7.3R+1.5D+1.3
Sep 22, 20222022 Generic ballotR+4R+2.6R+1.4D+3.0
Sep 8, 20222022 House, NY-17R-ALIGNEDR+4D+2.7R+6.7
Sep 27, 20202020 Generic ballotD+2D+3.0R+1.0D+4.2
Oct 22, 20182018 Generic ballotD+2D+8.5R+6.5R+0.8
Oct 15, 20182018 House, NJ-5R-ALIGNEDD+9D+13.7R+4.7
Oct 14, 20182018 House, FL-27R-ALIGNEDR+9D+6.0R+15.0R+3.1
Oct 14, 20182018 House, GA-7R-ALIGNEDR+27R+0.1R+26.9R+5.9
Oct 8, 20182018 House, VA-10R-ALIGNEDR+1D+12.4R+13.4R+4.2
Oct 2, 20182018 Senate, MOR-ALIGNEDR+8R+5.8R+2.2D+5.2
Sep 24, 20182018 Generic ballotD+4D+8.5R+4.5R+0.8
Sep 13, 20182018 House, FL-27R-ALIGNEDR+9D+6.0R+15.0R+3.1
Oct 28, 20162016 President, NYR-ALIGNEDD+11D+24.0R+13.0R+2.7
Oct 19, 20162016 Senate, WIR-ALIGNEDD+2R+3.4D+5.4D+8.1
Oct 19, 20162016 President, WIR-ALIGNEDD+5R+0.8D+5.8D+5.8
Oct 12, 20162016 House, FL-18R-ALIGNEDR+7R+10.5D+3.5
Sep 13, 20162016 House, FL-18R-ALIGNEDD+1R+10.5D+11.5
Oct 13, 20142014 Governor, AZR-ALIGNEDR+1R+11.8D+10.8D+6.5
Oct 9, 20142014 Governor, FLR-ALIGNEDD+1R+1.1D+2.1D+1.7
Sep 10, 20142014 House, FL-26R-ALIGNEDR+4R+2.9R+1.1D+1.5
Jun 18, 20132013 Senate, MAR-ALIGNEDD+3D+10.2R+7.2R+0.2
Jun 11, 20132013 Senate, MAR-ALIGNEDD+6D+10.2R+4.2R+0.2
Jun 4, 20132013 Senate, MAR-ALIGNEDD+1D+10.2R+9.2R+0.2
Oct 31, 20122012 President, INR-ALIGNEDR+13R+10.2R+2.8D+0.2
Oct 31, 20122012 Senate, INR-ALIGNEDR+2D+5.8R+7.8R+4.0
Oct 31, 20122012 Governor, INR-ALIGNEDR+12R+2.9R+9.1R+6.1
Oct 29, 20122012 Senate, INR-ALIGNEDR+1D+5.8R+6.8R+4.0
Oct 29, 20122012 President, INR-ALIGNEDR+18R+10.2R+7.8D+0.2
Oct 24, 20122012 President, INR-ALIGNEDR+14R+10.2R+3.8D+0.2
Oct 24, 20122012 Senate, INR-ALIGNEDEvenD+5.8R+5.8R+4.0
Oct 17, 20122012 House, NY-6R-ALIGNEDD+3D+32.9R+29.9
Oct 14, 20122012 House, NY-1R-ALIGNEDR+5D+9.3R+14.3R+2.4
Oct 11, 20122012 House, IL-10R-ALIGNEDR+10D+1.3R+11.3R+5.0
Oct 11, 20122012 Senate, RIR-ALIGNEDD+8D+29.8R+21.8R+3.6
Oct 8, 20122012 President, VAR-ALIGNEDR+7D+3.9R+10.9R+2.5
Oct 8, 20122012 Senate, VAR-ALIGNEDR+1D+5.9R+6.9R+3.9
Oct 7, 20122012 Senate, PAR-ALIGNEDD+2D+9.1R+7.1R+2.4
Oct 3, 20122012 President, INR-ALIGNEDR+16R+10.2R+5.8D+0.2
Oct 3, 20122012 Governor, INR-ALIGNEDR+14R+2.9R+11.1R+6.1
Oct 3, 20122012 Senate, INR-ALIGNEDR+3D+5.8R+8.8R+4.0
Oct 1, 20122012 PresidentR-ALIGNEDD+4D+3.9D+0.1R+1.8
Oct 1, 20122012 President, COR-ALIGNEDR+4D+5.4R+9.4R+4.1
Sep 25, 20122012 House, FL-26D+10D+10.6R+0.6R+7.5
Sep 19, 20122012 House, PA-12R-ALIGNEDEvenR+3.5D+3.5D+4.9
Sep 17, 20122012 House, NJ-3R-ALIGNEDR+17R+8.9R+8.1R+1.1
Sep 14, 20122012 President, OHD+3D+3.0R+0.1R+0.2
Sep 11, 20122012 President, FLR+4D+0.9R+4.8R+0.8
Sep 11, 20122012 House, IL-10R-ALIGNEDR+7D+1.3R+8.3R+5.0
Sep 9, 20122012 President, FLR+3D+0.9R+3.9R+0.8
Aug 31, 20112011 House, NY-9R-ALIGNEDEvenR+1.7D+1.7D+0.2
Oct 20, 20102010 Governor, CAR-ALIGNEDD+3D+12.9R+9.9R+7.8
Oct 6, 20102010 House, NY-4R-ALIGNEDD+1D+14.3R+13.3
Oct 4, 20102010 House, NY-25R-ALIGNEDR+1D+10.5R+11.5D+1.5
Sep 22, 20102010 House, FL-24R-ALIGNEDR+10R+19.3D+9.3D+9.8