2026 forecast

Kansas Senate forecast

Adam Hamilton vs Roger Marshall. The model has Hamilton ahead by 1.4 points, winning 58 percent of 10,000 simulated elections.

Toss upModel D +1.4Polls D +3.4Updated October 9, 2026

County simulation

105 counties
D +40R +40Hover a county for the simulated vote

Every simulated outcome

10,000 sims
D +42.1: 1 simulationsD +40.2: 0 simulationsD +38.4: 0 simulationsD +36.5: 1 simulationsD +34.7: 1 simulationsD +32.8: 3 simulationsD +31.0: 1 simulationsD +29.1: 1 simulationsD +27.3: 3 simulationsD +25.4: 9 simulationsD +23.6: 11 simulationsD +21.7: 16 simulationsD +19.9: 31 simulationsD +18.0: 42 simulationsD +16.2: 64 simulationsD +14.3: 128 simulationsD +12.5: 222 simulationsD +10.6: 335 simulationsD +8.8: 517 simulationsD +6.9: 742 simulationsD +5.1: 972 simulationsD +3.2: 1190 simulationsD +1.4: 1271 simulationsR +0.5: 1162 simulationsR +2.3: 1063 simulationsR +4.2: 825 simulationsR +6.0: 598 simulationsR +7.9: 368 simulationsR +9.7: 200 simulationsR +11.6: 121 simulationsR +13.4: 56 simulationsR +15.3: 23 simulationsR +17.1: 9 simulationsR +19.0: 5 simulationsR +20.8: 6 simulationsR +22.7: 2 simulationsR +24.5: 0 simulationsR +26.4: 0 simulationsR +28.2: 0 simulationsR +30.1: 1 simulationsD +43.0R +31.0

80 percent of simulations fall between D +9.1 and R +6.2. Negative margins are Democratic wins.

Polls of the race

Full average
PollsterSampleAgeMargin
OnPoint averageLOWESS Election Day projectionD +3.4
GBAO for Hamilton (D)600 LV5dD +3.6
YouGov2,255 LV5dD +2.1
Trafalgar Group (R)1,095 LV8dD +2.3
New York Times/Siena605 LV9dR +0.4
Wedgewood Polls500 LV15dD +3.2
Emerson College / Nexstar750 LV23dD +3.0
Global Strategy Group (D)800 LV23dD +2.2
co/efficient (R)915 LV29dR +1.1
Global Strategy Group (D)800 LV54dR +0.7
Public Policy Polling (D)569 LV62dR +2.1
GBAO (D)600 LV88dR +5.4
Tavern Research (D)1,013 LV254dR +8.9

Estimated vote by group

model crosstabs
GroupShareHamiltonMarshall
GenderMen47%45.052.5
Women53%53.544.0
Age18 to 2916%54.443.0
30 to 4423%49.248.3
45 to 6432%47.150.4
65+30%49.647.9
RaceWhite83%44.652.9
Black5%86.810.7
Latino7%63.034.5
Asian and other5%74.422.7
Race and genderWhite men39%39.058.5
White women44%49.548.0
Black men2%84.513.0
Black women3%88.98.6
Latino men3%60.736.7
Latino women3%65.332.3
All other races5%74.422.7