Senate Battlegrounds 2026
Fielded September 8-10, 2026 Mode Mobile text responses and landline interviews Sample 915 likely general election voters MoE ±3.22% Released September 2026
If the November 3rd general election for U.S. Senate were held today, who would you vote for?
49%
Roger Marshall
Republican
44%
Adam Hamilton
Democrat
2%
David Graham
Libertarian
5%
Undecided
Marshall +5
Roger Marshall
Adam Hamilton
Marshall is fully defined with Kansas voters; about 4 in 10 have not formed an opinion of Hamilton.
When thinking about President Donald Trump, which statement most aligns with your views?
If the November 3rd general election for Governor of Kansas were held today, who would you vote for?
If the November 3rd general election for U.S. Senate were held today, which Party's candidate would you vote for?
co/efficient surveyed 915 likely general election voters in Kansas on September 8-10, 2026, using mobile text responses and landline interviews. Results are weighted on age, gender, race, education, registered party, and geography to reflect the likely 2026 general electorate. The margin of error is ±3.22 percentage points. Full question wording appears with each result above.
| Republican | 55% |
| Democrat | 29% |
| NP/Other | 16% |
| Female | 53% |
| Male | 47% |
| 18-34 | 11% |
| 35-44 | 13% |
| 45-54 | 15% |
| 55-64 | 19% |
| 65+ | 42% |
| Conservative | 50% |
| Moderate | 33% |
| Liberal | 16% |
| White | 91% |
| Hispanic | 4% |
| Other Race | 4% |
| HS | 33% |
| Some College | 31% |
| College | 22% |
| Grad+ | 13% |
| 01 | 24% |
| 02 | 23% |
| 03 | 30% |
| 04 | 23% |
| Suburban | 44% |
| Rural | 37% |
| Urban | 19% |
| 4 of 4 | 62% |
| 3 of 4 | 13% |
| 2 of 4 | 7% |
| 1 of 4 | 10% |
| 0 of 4 | 9% |
| <$50k | 16% |
| $50-75k | 20% |
| $75-100k | 23% |
| $100-150k | 30% |
| $150k+ | 12% |