2026 Colorado Senate election

Last updated

2026 Colorado Senate election
Flag of Colorado.svg
←  2024 November 3, 20262028 →
18 of the 35 seats in the Colorado Senate
18 seats needed for a majority
  Colorado State Senator Robert Rodriguez in 2023.jpg Colorado State Senator Cleave Simpson in 2023.jpg
Leader Robert Rodriguez
(term-limited)		 Cleave Simpson
Party Democratic Republican
Leader sinceSeptember 8, 2023June 12, 2025
Leader's seat 32nd – Denver 6th – Alamosa
Last election12 seats, 56.35%6 seats, 41.01%
Current seats2311
Seats neededSteady2.svgIncrease2.svg 7
Seats up116
2026 Colorado State Senate election.svg
Map of the incumbents:
     Democratic incumbent     Democratic incumbent retiring or term-limited
     Republican incumbent     Republican incumbent retiring or term-limited
     Vacant     No election
Incumbent President of the Senate

James Coleman
Democratic



The 2026 Colorado Senate election is scheduled to be held on November 3, 2026. Voters in 18 out of the 35 districts of the state Senate will elect their representative for a four-year term. [1] This election will coincide with other Colorado elections of the same year and the biennial United States elections.

Contents

Background

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In the 2024 US Presidential Election, Kamala Harris won 24 districts, while Donald Trump won 11. Republicans represented one district where Harris had won in 2024: District 30 (Harris +2.42%), represented by John Carson. Additionally, one Democrat, Nick Hinrichsen, represented District 3, which Trump won by 5.13%.

Retiring incumbents

Democrats

Republicans

Summary of results by district

† - Incumbent term-limited or not seeking re-election

District2024 Pres. [4] IncumbentPartyElected SenatorOutcome
1st R +44.4 Byron Pelton Rep TBD
3rd R +5.1 Nick Hinrichsen† Dem TBD
4th R +17.2 Mark Baisley† Rep TBD
7th R +24.8 Janice Rich Rep TBD
8th D +10.2 Dylan Roberts Dem TBD
9th R +14.6VacantTBD
11th D +4.3 Tony Exum Dem TBD
15th D +7.7 Janice Marchman Dem TBD
17th D +39.6 Katie Wallace Dem TBD
20th D +17.3 Lisa Cutter Dem TBD
22nd D +32.9 Jessie Danielson† Dem TBD
24th D +6.7 Kyle Mullica Dem TBD
25th D +23.1 Faith Winter† Dem TBD
27th D +12.1 Tom Sullivan Dem TBD
30th D +2.4 John Carson Rep TBD
32nd D +47.7 Robert Rodriguez† Dem TBD
34th D +57.8 Julie Gonzales† Dem TBD
35th R +43.5 Rod Pelton Rep TBD

Footnotes

    References

    1. ↑ "Senate Term Limits". Colorado General Assembly.
    2. ↑ Bartolo, James (June 5, 2025). "Incumbent Pueblo state senator won't seek reelection. What's next for Pueblo Democrats?". The Pueblo Chieftain. Retrieved June 9, 2025.
    3. ↑ Birkeland, Bente (March 3, 2025). "Mark Baisley becomes second Republican state lawmaker to enter Colorado's 2026 race for governor". The Colorado Sun . Retrieved March 3, 2025.
    4. ↑ "Dave's Redistricting" . Retrieved June 9, 2025.
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