All 2026 races in Kansas (Governor, Senate and House) →
General Election
| Candidate | Party | Votes | % | |
|---|---|---|---|---|
| Adam Hamilton ✓ | Democratic | 561,143 | 51.0% | |
| Roger Marshall | Republican | 505,558 | 46.0% | |
| David C Graham | Libertarian | 33,195 | 3.0% |
As of 11:01 PM ET, Thu Nov 12.
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
Showing the published average. The rating above uses this figure.
The right edge is that same average of the last three polls. This is an average, not a forecast.
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Candidates
Certified write-ins: Mark Baldwin.
General Election Polling Average
LV = likely voters · RV = registered voters · ± = margin of error · R-sponsored / D-sponsored / I-sponsored = paid for by a Republican, Democratic, or Independent group · "missed 2024 by X pts" = that firm's average miss in 2024
Average is the unweighted mean of the last three scientific public polls. Fewer than three uses the polls that exist. The rating uses that average when the newest poll ended in the last 30 days. The table lists the polls in that average, plus 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 |
|---|---|---|---|---|---|
| Survey 160 In average | 2026-11-01 this poll | 1365 LV | Adam Hamilton 50.00% | Roger Marshall 43.00% | |
| NY Times/Siena missed 2024 by 3.1 pts In average | 2026-11-01 this poll | 736 LV | ±4.10 | Adam Hamilton 49.00% | Roger Marshall 44.00% |
| YouGov In average | 2026-10-29 this poll | 2092 LV | ±2.80 | Adam Hamilton 50.00% | Roger Marshall 49.00% |
| Emerson missed 2024 by 2.7 pts Not in average | 2026-10-28 this poll | 800 LV | ±3.50 | Adam Hamilton 49.00% | Roger Marshall 45.00% |
| CNN/SSRS Not in average | 2026-10-26 this poll | 838 LV | ±4.50 | Adam Hamilton 49.00% | Roger Marshall 45.00% |
| Washington Post missed 2024 by 2.2 pts Not in average | 2026-10-26 this poll | 801 LV | ±3.90 | Adam Hamilton 52.00% | Roger Marshall 43.00% |
| RedBox Research (D) Not in average | 2026-10-23 this poll | 1301 LV | ±3.20 | Adam Hamilton 45.00% | Roger Marshall 46.00% |
| All candidates (full ballot): Roger Marshall (R) 46% · Adam Hamilton (D) 45% · David C. Graham (L) 3% · Undecided 4% | |||||
| InsiderAdvantage missed 2024 by 1.9 pts Not in average | 2026-10-14 this poll | 1200 LV | ±2.83 | Adam Hamilton 47.00% | Roger Marshall 48.00% |
Questions About This Race
Who won the 2026 Kansas Senate race?
Adam Hamilton (D) won the 2026 Kansas Senate race — the seat was called on November 12, 2026.
What does the latest poll of the 2026 Kansas Senate race say?
The most recent poll in our average, from Survey 160 (completed November 1, 2026), found Adam Hamilton (D) at 50% and Roger Marshall (R) at 43%.
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 the last three scientific public polls, or fewer when fewer exist. One poll sets the rating when it ended in the last 30 days. We do not exclude pollsters. The table lists recent polls, including ones older than those three. Full details: pollingsource.com/methodology.
Race Notes
First-term Class II incumbent (Moran holds the other seat, up 2028)
Independent Expenditures Updated 14 hours ago
Top Spenders
- PEOPLE OVER POLITICS ACTION FUND Dem-aligned $14,511,590
- WINSENATE Dem-aligned $13,798,522
- LOWER COSTS NOW Dem-aligned $10,592,695
- GOVERNMENT THAT WORKS PAC Dem-aligned $6,722,339
- THE 1861 INITIATIVE Dem-aligned Primary $4,436,118
- SLF PAC GOP-aligned $3,927,773
- MAIN STREET FUND GOP-aligned $3,735,925
- AMERICANS FOR PROSPERITY ACTION, INC. (AFP ACTION) DBA CVA ACTION AND DBA LIBRE ACTION GOP-aligned $2,869,924
- NEW DEAL FOR ALL, INC. Dem-aligned $2,744,340
- THE EDGE ACTION FUND Dem-aligned $2,475,000
Full outside-spending research — every committee, every race →
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