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Colorado·CO·FIPS 08059
Jefferson County
Voted Democratic in 2024 · 361,504 votes cast
About Jefferson County
Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, which was Colorado's capital twice, and its most populous city is Lakewood.
Read more on Wikipedia →Total Votes (2024)
361,504
Winner Margin
D+19.5
Turnout Change
-4.2%
2020→2024 Swing
D+0.9
2024 Presidential Results
All candidates · Jefferson County, Colorado
Kamala D Harris(Democrat)
58.3%210,875
Won by 70,370 votes
Donald J Trump(Republican)
38.9%140,505
Other(Other)
2.0%7,339
Chase Oliver(Libertarian)
0.8%2,785
Margin History
Red = Republican, Blue = Democratic
2024D+19.5
2020D+18.5
2016D+6.9
🔵
Swung Left in 2024
Jefferson County shifted 0.9 points toward Democrats compared to 2020. Voter turnout decreased by 4.2%.
What does Jefferson County really think?
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Election data: MIT Election Data Science Lab, Harvard Dataverse (CC BY 4.0)