co/efficient poll
Fielded 9/8/2026 – 9/10/2026 · 915 respondents · Likely voters
Result
Share of respondents (remainder shown as undecided / other)
Roger Marshall (R)
49%
Adam Hamilton (D)
44%
David Graham (L)
2%
About this poll
- Pollster
- co/efficient
- Field dates
- Tuesday, September 8, 2026 – Thursday, September 10, 2026
- Sample
- 915 · Likely voters
- Sponsors
- —
- Internal poll
- No
- Published
- Friday, September 11, 2026
- Source
- battlegrounds.coefficient.org (opens in a new tab)
- Data feed
- The New York Times (via PollResults.org)
- Last updated