House Effects
Sunday, October 11, 202623 days until Election Day, November 3, 2026
Pollster record · how records are scored

SSRS

Method: live phone · scored polls from 1998 to 2018

Versus the field
+0.05
points of error vs. other pollsters in the same races, after shrinkage (unshrunk +0.81; 5% own record). A thin record: too few scored polls to say much.
Average miss
4.6
points on the margin, as published
House effect
D+0.1
lean relative to other polls of the same races
Scored polls
21
8 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
199815.9+1.9D+4.0
200093.5−0.0D+2.0
200214.7−1.9R+0.7
200462.9+0.1R+1.9
2016115.0+0.4D+1.0
201837.3+0.7D+4.7
This cycle

2026 polls in the database

EndedRaceMatchupAs published
Oct 5, 2026Governor IARob Sand v. Zach LahnD+9
Oct 5, 2026Governor OHAmy Acton v. Vivek RamaswamyD+8
Oct 5, 2026Senate IAJosh Turek v. Ashley HinsonR+2
Oct 5, 2026Senate OHSherrod Brown v. Jon HustedD+6
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 13, 20182018 Senate, TND+1R+10.8D+11.8D+6.6
Oct 13, 20182018 Governor, TNR+11R+21.0D+10.0D+5.9
Sep 9, 20182018 Senate, VAD+16D+16.0Even—
Sep 25, 20162016 President, TNR+11R+26.0D+15.0D+14.1
Oct 24, 20042004 PresidentR+1R+2.4D+1.4D+0.1
Oct 10, 20042004 PresidentR+3R+2.4R+0.6D+0.1
Oct 3, 20042004 PresidentR+5R+2.4R+2.6D+0.1
Sep 26, 20042004 PresidentR+8R+2.4R+5.6D+0.1
Sep 10, 20042004 PresidentR+8R+2.4R+5.6D+0.1
Sep 3, 20042004 PresidentR+1R+2.4D+1.4D+0.1
Sep 8, 20022002 HouseEvenR+4.7D+4.7D+5.4
Nov 3, 20002000 PresidentR+2D+0.5R+2.5R+1.5
Oct 27, 20002000 PresidentR+3D+0.5R+3.5R+1.5
Oct 20, 20002000 PresidentR+2D+0.5R+2.5R+1.5
Oct 13, 20002000 PresidentR+3D+0.5R+3.5R+1.5
Oct 6, 20002000 PresidentR+1D+0.5R+1.5R+1.5
Sep 29, 20002000 PresidentD+3D+0.5D+2.5R+1.5
Sep 22, 20002000 PresidentD+6D+0.5D+5.5R+1.5
Sep 15, 20002000 PresidentD+2D+0.5D+1.5R+1.5
Sep 8, 20002000 PresidentD+9D+0.5D+8.5R+1.5
Oct 23, 19981998 HouseD+5R+0.9D+5.9D+1.9