2024 Colorado Senate election 
  Results by gains and holds   Results by winning party vote share  Results:       Democratic hold      Democratic gain      Republican hold      Republican gain      No electionVote share:       40–50%      50–60%      60–70%      80–90%      >90%      50–60%      60–70%      >90%
The 2024 Colorado Senate elections  took place on November 5, 2024, with the primary elections being held on June 25, 2024.[ 1] Senate  elected their representative for a four-year term.[ 2] United States elections .
Background 
In the 2020 US Presidential Election, Joe Biden won 25 districts, while Donald Trump won 10. Republicans represented three districts where Biden had won in 2020: District 6 (Biden +2.18%), represented by Cleave Simpson ; District 12 (Biden +3.61%), represented by Bob Gardner ; and District 30 (Biden +1.47%), represented by Kevin Van Winkle . Additionally, one Democrat, Kevin Priola , represented District 13, which Trump won by 3.78%.
      Biden     40–50%
    50–60%
    60–70%
    70–80%
    80-90%
 Trump     40-50%
    50–60%
    60–70%
     
   
Retirements 
Democrats 
District 13 : Kevin Priola  is term-limited.[ 3] District 14 : Joann Ginal  is term-limited.[ 3] District 18 : Steve Fenberg  is term-limited.[ 3] District 19 : Rachel Zenzinger  is term-limited (ran for Jefferson County  Commission ).[ 3] [ 4] District 28 : Rhonda Fields  is term-limited (ran for Arapahoe County  Commission ).[ 3] [ 5] 
Republicans 
District 2 : Jim Smallwood  is term-limited.[ 3] District 5 : Perry Will  retired to run for Garfield County  Commission.[ 6] District 12 : Bob Gardner  is term-limited.[ 3] 
Predictions 
Statewide 
Competitive districts 
Closest races 
Seats where the margin of victory was under 10%:
District 12, 1.35%  (flip)District 21, 2.22% District 16, 4.31% District 5, 4.46% 
Results by district 
District 2 
District 5 
District 6 
District 10 
District 12 
District 13 
District 14 
District 16 
District 17 
District 18 
District 19 
District 21 
District 23 
District 26 
District 28 
District 29 
District 31 
District 33 
References 
^ "2024 Election Calendar"  (PDF) . Colorado Secretary of State .^ "Senate Term Limits" . Colorado General Assembly .^ a b c d e f g   "Term Limit Information for Members of the Colorado Senate"  (PDF) . Colorado Secretary of State . Retrieved February 8,  2024 .^ Goodland, Marianne (November 9, 2023). "State Sen. Rachel Zenzinger will run for Jefferson County commission" . Colorado Politics . Retrieved May 6,  2024 . ^ Wilson, Sara (July 20, 2023). "State Sen. Rhonda Fields running for Arapahoe County commissioner" . Colorado Newsline . Retrieved May 6,  2024 . ^ Wenzler, Elliott (January 26, 2024). "State Sen. Perry Will won't run for re-election, instead kicks off county commissioner bid" . Glenwood Springs Post Independent . Retrieved May 6,  2024 . ^ "24 CO Forecast" . projects.cnalysis.com . Retrieved August 10,  2024 .^ Jacobson, Louis (June 18, 2024). "2024's Battleground State Legislative Chambers" . Retrieved July 13,  2024 . ^ "24 CO Forecast" . projects.cnalysis.com . Retrieved September 8,  2024 .^ Goodland, Marianne (January 7, 2023). "Vacancy committee returns Perry Will to the General Assembly" . The Gazette . Colorado Springs, Colorado. Archived  from the original on January 8, 2023. Retrieved October 8,  2024 . ^ "2024 General Election Official Candidate List" . Colorado Secretary of State . September 24, 2024. Retrieved October 8,  2024 .^ "Results" . Colorado Secretary of State . Retrieved November 30,  2024 .  
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