PollResults.org · Kansas

2026 Kansas Senate Race Polls

Polls tracking the 2026 U.S. Senate race in Kansas. Data is synced from the New York Times, which aggregates surveys from major pollsters active in the state.

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In the most recent Kansas Senate race poll (AtlasIntel, Oct 28 - Nov 1, 2026, n=2038 LV), Hamilton (D) leads Marshall (R) 51.9%–44.9%.

Data is synced continuously from the New York Times, which aggregates surveys from major pollsters. The table shows individual pollster results. The map uses the same 2026 non-partisan polling average and candidate-selection method as the homepage maps.

At a glance

Polls tracked
23
Pollsters
16
Field dates
Jan 28, 2026 – Nov 1, 2026
Stages
General election (21), Primary (2)
Most recent poll
Nov 1, 2026
Kansas: D +2.9
Kansas · D +2.9 2026 non-partisan polling · 8 polls

All polls

PollsterPartisanField datesStageSampleResultsMarginSource
AtlasIntelOct 28 - Nov 1, 2026General electionn=2038 LV
Hamilton (D): 51.9%
Marshall (R): 44.9%
Someone else: 1.6%
D+7%link
Survey 160Oct 27 - Nov 1, 2026General electionn=1267 LV
Hamilton (D): 50%
Marshall (R): 44%
Someone else: 4%
D+6%link
The New York Times/Siena UniversityOct 27 - Nov 1, 2026General electionn=736 LV
Hamilton (D): 49%
Marshall (R): 43.9%
Graham (L): 4.4%
D+5.1%link
YouGovOct 26 - 29, 2026General electionn=2086 LV
Hamilton (D): 50%
Marshall (R): 49%
Someone else: 1%
D+1%link
Emerson CollegeOct 26 - 28, 2026General electionn=800 LV
Hamilton (D): 49.5%
Marshall (R): 47.1%
Graham (L): 3.4%
D+2.4%link
CNN/SSRSOct 20 - 26, 2026General electionn=838 LV
Hamilton (D): 49%
Marshall (R): 45%
Neither: 4%
D+4%link
The Washington Post/George Mason University Schar School of Policy and GovernmentOct 22 - 26, 2026General electionn=801 LV
Hamilton (D): 54%
Marshall (R): 44%
Would not vote: 1%
D+10%link
InsiderAdvantageOct 13 - 14, 2026General electionn=1200 LV
Marshall (R): 47.7%
Hamilton (D): 46.6%
Graham (L): 3.4%
R+1.1%link
InsiderAdvantageOct 9 - 10, 2026General electionn=1200 LV
Hamilton (D): 47.5%
Marshall (R): 46.7%
Graham (L): 3.4%
D+0.8%link
YouGovSep 24 - Oct 4, 2026General electionn=2253 LV
Hamilton (D): 48%
Marshall (R): 45%
Don't know: 5%
D+3%link
GBAODemSep 30 - Oct 4, 2026General electionn=600 LV
Hamilton (D): 46%
Marshall (R): 41%
Graham (L): 7%
D+5%link
Trafalgar GroupRepSep 29 - Oct 1, 2026General electionn=1095 LV
Hamilton (D): 44.4%
Marshall (R): 43.5%
Don't know: 10.1%
D+0.9%link
The New York Times/Siena UniversitySep 22 - 30, 2026General electionn=605 LV
Marshall (R): 46.67%
Hamilton (D): 46.39%
Don't know: 6.6%
R+0.3%link
Emerson CollegeSep 15 - 16, 2026General electionn=750 LV
Hamilton (D): 44.75%
Marshall (R): 43.3%
Don't know: 8.25%
D+1.5%link
Global Strategy GroupDemSep 13 - 16, 2026General electionn=800 LV
Hamilton (D): 49%
Marshall (R): 47%
D+2%link
co/efficientSep 8 - 10, 2026General electionn=915 LV
Republican (R): 51%
Democrat (D): 45%
Don't know: 4%
R+6%link
Global Strategy GroupDemAug 12 - 16, 2026General electionn=800 LV
Hamilton (D): 44%
Marshall (R): 43%
Graham (L): 5%
D+1%link
Public Policy PollingDemAug 7 - 8, 2026General election—
Marshall (R): 46%
Hamilton (D): 45%
Don't know: 9%
R+1%link
GBAODemJul 13 - 16, 2026Primaryn=600 LV
Hamilton (D): 30%
Davis (Christy) (D): 13%
Taylor (Noah) (D): 10%
+17%link
GBAODemJul 8 - 13, 2026General electionn=600 LV
Marshall (R): 47%
Hamilton (D): 43%
R+4%link
Change ResearchJun 11 - 15, 2026Primaryn=1022 LV
Don't know: 55%
Hamilton (D): 18%
Davis (Christy) (D): 10%
+8%link
GQRDemApr 23 - 27, 2026General electionn=500 LV
Marshall (R): 49%
Schmidt (Patrick) (D): 45%
Don't know: 6%
R+4%link
Tavern ResearchJan 26 - 28, 2026General electionn=1013 LV
Independent (I): 62%
Democrat (D): 38%
I+24%link

23 of 23 polls shown, most recent first. Every number is a single pollster's reported result — no polling average is calculated here. Partisan shows the source’s party flag; a blank means no partisan affiliation is marked.