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

Cole Hargrave Snodgrass & Associates

Method: live phone mix · scored polls from 2000 to 2020

Versus the field
−0.17
points of error vs. other pollsters in the same races, after shrinkage (unshrunk −3.30; 4% own record). A thin record: too few scored polls to say much.
Average miss
4.6
points on the margin, as published
House effect
R+0.2
lean relative to other polls of the same races
Scored polls
12
10 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
2000110.9+4.5D+4.9
200243.43.0R+2.7
200444.83.1R+4.4
201015.39.1R+3.6
201816.11.7R+1.4
202010.15.6R+4.0
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Aug 6, 2026Senate OKN'Kiyla Jasmine Thomas v. Kevin HernR+24
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 30, 20202020 House, OK-5R+4R+4.1D+0.1D+4.2
Sep 29, 20182018 Governor, OKR+6R+12.1D+6.1D+7.5
Oct 10, 20102010 House, KS-4R-ALIGNEDR+17R+22.3D+5.3D+12.9
Oct 25, 20042004 President, OKR+28R+31.1D+3.1D+3.5
Oct 25, 20042004 Senate, OKR+5R+11.5D+6.5D+11.9
Oct 10, 20042004 President, OKR+34R+31.1R+2.9D+3.5
Oct 10, 20042004 Senate, OKR+5R+11.5D+6.5D+11.9
Oct 19, 20022002 House, OK-4R+7R+7.7D+0.7D+2.8
Oct 6, 20022002 Governor, KSR-ALIGNEDD+9D+7.8D+1.2D+4.9
Sep 23, 20022002 Governor, OKR+8D+0.7R+8.7R+5.1
Sep 18, 20022002 Senate, OKR-ALIGNEDR+24R+21.0R+3.0D+6.1
Sep 26, 20002000 President, OKR+11R+21.9D+10.9D+6.0