Presidential elections · 2000–2024
Arapahoe County, CO — Presidential Election Results (2000–2024)
In 2024, Arapahoe County, Colorado voted for Kamala D. Harris (Democratic) by D+20.1 — 190,725 Democratic to 125,311 Republican of 325,451 votes cast. From 2020 to 2024 it shifted 4.5 points toward Republicans. That makes it 9.1 points more Democratic than Colorado overall (D+11.0).
Data: MIT Election Data & Science Lab, Harvard Dataverse.
Margin by election, 2000–2024
Democratic minus Republican, in points of all votes cast — blue bars Democratic, red Republican.
Every election in Arapahoe County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 190,725 | 125,311 | 9,415 | 58.6% | 38.5% | D+20.1 |
| 2020 | 213,607 | 127,323 | 9,253 | 61.0% | 36.4% | D+24.6 |
| 2016 | 159,885 | 117,053 | 26,108 | 52.8% | 38.6% | D+14.1 |
| 2012 | 153,905 | 125,588 | 6,023 | 53.9% | 44.0% | D+9.9 |
| 2008 | 148,218 | 113,866 | 4,064 | 55.7% | 42.8% | D+12.9 |
| 2004 | 110,262 | 119,475 | 2,434 | 47.5% | 51.5% | R+4.0 |
| 2000 | 82,614 | 97,768 | 9,560 | 43.5% | 51.5% | R+8.0 |
Arapahoe County presidential elections — FAQ
Who carried Arapahoe County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Arapahoe County, Colorado in 2024 by D+20.1, with 325,451 votes cast. Data: MIT Election Data & Science Lab.
How did Arapahoe County shift between 2020 and 2024?+
Arapahoe County shifted 4.5 points toward Republicans between 2020 (D+24.6) and 2024 (D+20.1).
Is Arapahoe County more Democratic or Republican than Colorado overall?+
In 2024, Arapahoe County went D+20.1 while Colorado overall went D+11.0 — 9.1 points more Democratic than the state.
Where does this election data come from?+
County-level presidential returns (2000–2024) come from the MIT Election Data and Science Lab (MEDSL), published on the Harvard Dataverse. pumsdata is an independent product that makes the data easy to map and compare, and is not affiliated with MEDSL or Harvard.