Primary
Democratic Primary
Held August 4, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Adam Hamilton ✓ | 76,970 | 34.8% | |
| Christy Davis | 31,366 | 14.2% | |
| Noah Taylor | 29,899 | 13.5% | |
| Anne Parelkar | 3,352 | 8.0% | |
| Damon Anderson | — | — |
Republican Primary
Held August 4, 2026.
| Candidate | Votes | % | |
|---|---|---|---|
| Roger Marshall ✓ | 267,887 | 79.8% | |
| Pond Naramore | 67,780 | 20.2% |
Full calendar and every race: Kansas primary guide
Race Overview
General Election Polling Trend
PollingSource average — trailing average of all polls from the last 30 days.
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Candidates
Roger Marshall Nominee Incumbent
Republican
General Election Polling Average
Average reflects all polls from the last 30 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 |
|---|---|---|---|---|---|
| OSZ | 2026-08-08 | Adam Hamilton 45.00% | Roger Marshall 46.00% | ||
| Public Policy Polling (D) partisan·D ±2.0 D-sponsored | 2026-08-08 | 569 LV | Adam Hamilton 45.00% | Roger Marshall 46.00% |
Questions About This Race
Who is winning the 2026 Kansas Senate race?
Roger Marshall leads Adam Hamilton 46% to 45% in the PollingSource polling average — a R+1.0 margin based on 2 polls from the last 30 days.
Is the 2026 Kansas 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 Kansas Senate race say?
The most recent public poll, from OSZ (completed August 8, 2026), found Adam Hamilton (D) at 45% and Roger Marshall (R) at 46%.
When is the 2026 Kansas 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 30 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
First-term Class II incumbent (Moran holds the other seat, up 2028)
Independent Expenditures Updated 1 hour ago
Top Spenders
- THE 1861 INITIATIVE Dem-aligned $2,225,477
- MAIN STREET FUND GOP-aligned $601,399
- SENATE CONSERVATIVES FUND GOP-aligned $189,153
- SENATE CONSERVATIVES ACTION GOP-aligned $34,679
- WAY BACK PAC Dem-aligned $9,692
Full outside-spending research — every committee, every race →