Primary
Primary held June 2, 2026.
Democratic Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Josh Turek ✓ | 120,448 | 62.6% | |
| Zach Wahls | 71,884 | 37.4% |
Republican Primary
| Candidate | Votes | % | |
|---|---|---|---|
| Ashley Hinson ✓ | 153,181 | 73.9% | |
| Jim Carlin | 54,178 | 26.1% |
Full calendar and every race: Iowa primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 90 days.
Candidates
Ashley Hinson Nominee
RepublicanGeneral 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 |
|---|---|---|---|---|---|
| Beacon Research (D)/Shaw & Co. Research (R) ±2.3 | 2026-06-27 | 1003 RV | ±3.00 | Josh Turek 50.00% | Ashley Hinson 46.00% |
| New York Times/Siena University ±3.1 | 2026-06-27 | 600 LV | ±4.70 | Josh Turek 46.00% | Ashley Hinson 48.00% |
| Cygnal (R) partisan·R ±4.2 | 2026-06-19 | 600 LV | ±4.00 | Josh Turek 44.00% | Ashley Hinson 46.00% |
Questions About This Race
Who is winning the 2026 Iowa Senate race?
Josh Turek leads Ashley Hinson 46.6% to 46.2% in the PollingSource polling average — a D+0.4 margin based on 5 polls from the last 90 days.
Is the 2026 Iowa Senate race competitive?
Yes — the PollingSource polling average rates this race a Toss-up, the most competitive category.
What does the latest poll of the 2026 Iowa Senate race say?
The most recent public poll, from Beacon Research (D)/Shaw & Co. Research (R) (completed June 27, 2026), found Josh Turek (D) at 50% and Ashley Hinson (R) at 46%.
When is the 2026 Iowa 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
Ernst retiring Joni Ernst is not seeking re-election; the seat is open.
Independent Expenditures Updated 3 hours ago
Top Spenders
- VOTEVETS $9,756,436
- AMERICANS FOR PROSPERITY ACTION, INC. (AFP ACTION) DBA CVA ACTION AND DBA LIBRE ACTION $2,190,090
- AB PAC $736,063
- SLF PAC $654,590
- IOWA ACTION $150,000
- MISSION IOWA $10,677
- FIELD TEAM 6, INC. $5,007
- BLUE SHIFT PAC $4,596
- BLUE MAJORITY MAKERS PAC $3,023
- BLUE DEMOCRACY NETWORK $2,806
Full outside-spending research — every committee, every race →