Updated 20 October 2026
United States · U.S. SenateElection day · NOV 03, 2026

Idaho

U.S. Senate

14days to polls

The call

200 synthetic voters, set beside the poll average. The lead is over the whole field.

SyntheticR+8.2Jim Risch
Poll average · 4 pollsR+14.0
Gap−5.9synthetic − polls, points
SyntheticPoll average
Jim Risch
48.2 synthetic43.6 polls
Todd Achilles
40.1 synthetic29.6 polls

Against the polls

Share error
7.6 pts per option
Crosstab error
—
Sample
200 synthetic voters

The government

Donald Trump's job approval as President, among Idaho voters

Approve · synthetic39.2%55.8% disapprove
Approve · polls40.8%53.4% disapprove
Net gap−4.0synthetic − polls

Latest polls

Newest first.

PollsterFieldwork toSampleRI
Peak Insights (R)SEP 30, 2026500 (LV)49.024.0
Advanced Targeting ResearchSEP 16, 2026700 (RV)39.046.0
Peak Insights (R)AUG 13, 2026500 (LV)52.018.0
The Bullfinch GroupAUG 07, 2026608 (LV)34.030.0
Change Research (D)JUL 30, 20261,213 (LV)45.021.0
The Bullfinch GroupJUN 01, 2026774 (RV)40.036.0
Public Policy Polling (I)MAR 17, 2026639 (RV)48.034.0

← United States midterm elections, 2026

How the call is made. For every race we build a synthetic electorate that matches the real one, at least 200 voters strong, and ask it how it will vote before polling day. The call is set beside the published polls as they come in, and scored against the official count once it is in.