Nonpartisan Analysis Since 1980

Colorado
Senate III

State Map

State map

Current Rating

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Not Up This Cycle

Baseline

What's This?
D +10.6
D: 53.8%, R: 43.2%

Incumbent

Campaign Finance Data

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Past Elections

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Calendar

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MAR
17
2026
Candidate Filing Deadline
JUN
30
2026
Primary Election Day
NOV
3
2026
Election Day

Analysis

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Senate Report Shorts (July 9, 2026)

July 9, 2026
by Nathan L. Gonzales, Inshara Ali & Nicholas Demba

Ratings

2026
January 6, 2023
Not Up This Cycle
2024
January 6, 2023
Not Up This Cycle
2022
June 29, 2022
Likely Democrat
January 8, 2021
Solid Democrat
2018
January 13, 2017
Not Up This Cycle
2016
August 19, 2016
Solid Democrat
May 5, 2016
Likely Democrat
January 9, 2015
Lean Democrat
2012
January 1, 2011
Not Up This Cycle
2010
June 24, 2010
Toss-up

Baselines

About
2025+10.6D 53.8, R 43.2
2024
+10.6
2022
+9.3
2020
+4.1
2018
+3.0
2016
+1.1
2014
+0.1