Kansas · Senate · Election Day Nov 3, 2026

Kansas Senate: Hamilton vs. Marshall

Hamilton leads by 2.0 points in the Crosstab average of recent polls. Crosstab rates it Toss Up.

Hamilton (D)45.0%
Marshall (R)43.0%
Chance of winning · Crosstab forecast
Hamilton 55%45% Marshall
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Polling average over time

Crosstab average of each day's latest polls (up to six from the past 45 days).

Every poll

PollsterDateHamiltonMarshall
EmersonSep 18, 20264543

The candidates

Adam Hamilton
Democrat
Roger Marshall
Republican · U.S. Senator from Kansas since 2021

In the news

Kansas 2026: Hamilton and Marshall in Tight Senate Race; Masterson Leads for Governor
Emerson College Polling · Sep 18, 2026

Updated Sep 27, 2026. How Crosstab calculates averages and odds.