Colorado Senate Race 2026

Latest sourced poll, full poll history, Cook and DDHQ ratings, and candidates. Research snapshot checked 2026-11-02.

Latest poll

John Hickenlooper (Democrat)61%
Mark Baisley (Republican)37%

Research Co., fielded 2026-10-31 to 2026-11-02

Cook rating 2026-10-30 · DDHQ forecast 2026-10-31. Win chance, not vote share.

n=450 / LV; primary release not located; aggregator listing. 535.wtf

Lead of 24 pts for John Hickenlooper in a single poll. Not a win probability.

Ratings and forecast

Cook rating
Solid D
DDHQ rating
Safe D
DDHQ Dem win chance
97%
Currently held by
D

Cook source DDHQ source Forecast methodology

Candidates

  • John HickenlooperDemocrat
  • Mark BaisleyRepublican

Seat / incumbent: Hickenlooper

Poll history (2)

PollsterField datesResultsSample / methodSource
Research Co.2026-10-31 to 2026-11-02John Hickenlooper (Democrat) 61%Mark Baisley (Republican) 37%n=450 / LV; primary release not located; aggregator listing535.wtf Original release
University of Colorado/YouGov2026-10-09 to 2026-10-20John Hickenlooper (Democrat) 57%Mark Baisley (Republican) 39%n=710 / LV; primary release not located; aggregator listingrealclearpolling.com Original release

Polls via secondary aggregators, not independently audited. Not a live feed.

See this race in context on the tile map, colored by poll, DDHQ or Cook.

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D
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