House Effects
Monday, September 21, 202643 days until Election Day, November 3, 2026
Senate · 2026

Colorado Senate

John Hickenlooper (D)v.Mark Baisley (R)SAFE D

Incumbent: John Hickenlooper, currently Democratic.

Projected margin
D+22.5
Nine in ten outcomes: D+39 to D+6
Chance of winning
98%
John Hickenlooper
Polls alone
No public general-election polls yet.
Fundamentals alone
D+22.5
Weight in projection: 100%.
Before any poll

What the fundamentals say

A regression on past Senate races, fit without looking at this year. The national environment term uses the generic ballot after its historical correction (D+5.3).

What each term adds to the estimate
BaselineD+0.5
Partisan leanD+9.3
National environmentD+3.3
IncumbencyD+1.8
Incumbent's last over/under-performanceD+1.1
Fundraising gapD+6.6
Fundamentals estimateD+22.5
Input: partisan lean
D+12.5
Presidential vote relative to the nation, 2024 (and 2020).
Input: raised from itemized individual donors, through June 30
$4.3M D · $73K R
FEC filings; the model uses the log of the ratio.
Handicappers, for comparison
Cook: Safe D · Sabato: Safe D · Inside Elections: Safe D
Not an input to the projection.
History

Recent results for this office

YearDemocratRepublicanResult
2022Michael BennetJoe O'DeaD+14.6
2020John Wright HickenlooperCory GardnerD+9.3
2016Michael BennetDarryl GlennD+5.7
2014Mark UdallCory GardnerR+1.9