Primary
Primary held May 19, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| David Roth ✓ | 29,534 | 61.9% | |
| Brad Moore | 14,863 | 31.1% | |
| Nickolas Bonds | 3,344 | 7.0% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Jim Risch ✓ | 156,140 | 67.3% | |
| Josh Roy | 33,188 | 14.3% | |
| Joe Evans | 32,636 | 14.1% | |
| Denny LaVe | 10,182 | 4.4% |
Full calendar and every race: Idaho primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 90 days.
Candidates
General Election Polling Average
Average reflects all polls from the last 90 days; table shows the most recent 30 days or the newest 3 polls, whichever is more — subscribe for the full history. How accurate is each pollster? →
| Pollster | Date | Sample | MoE | Dem | Rep |
|---|---|---|---|---|---|
| Peak Insights (R) partisan·R | 2026-06-07 | 500 LV | ±4.00 | David Roth 15.00% | Jim Risch 55.00% |
| The Bullfinch Group | 2026-06-01 | 774 RV | ±3.50 | David Roth 15.00% | Jim Risch 41.00% |
Questions About This Race
Who is winning the 2026 Idaho Senate race?
Jim Risch leads David Roth 48% to 15% in the PollingSource polling average — a R+33.0 margin based on 2 polls from the last 90 days.
Is the 2026 Idaho Senate race competitive?
No — the PollingSource polling average rates it Safe R for Republicans.
What does the latest poll of the 2026 Idaho Senate race say?
The most recent public poll, from Peak Insights (R) (completed June 7, 2026), found David Roth (D) at 15% and Jim Risch (R) at 55%.
When is the 2026 Idaho Senate race decided?
Election Day is Tuesday, November 3, 2026.
How is the PollingSource average calculated?
The PollingSource average is the unweighted mean of every scientific public poll of the race from the last 90 days — we do not exclude pollsters. Each race page lists the individual polls behind the average with pollster, field dates, sample size, and margin of error. Full details: pollingsource.com/methodology.
Race Notes
Three-term incumbent