Presidential elections · 2000–2024
Loudoun County, VA — Presidential Election Results (2000–2024)
In 2024, Loudoun County, Virginia voted for Kamala D. Harris (Democratic) by D+16.3 — 129,280 Democratic to 92,107 Republican of 228,208 votes cast. From 2020 to 2024 it shifted 8.7 points toward Republicans. That makes it 10.5 points more Democratic than Virginia overall (D+5.8).
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 Loudoun County
| Year | Democratic | Republican | Other | Dem share | Rep share | Margin |
|---|---|---|---|---|---|---|
| 2024 | 129,280 | 92,107 | 6,821 | 56.7% | 40.4% | D+16.3 |
| 2020 | 138,372 | 82,088 | 4,516 | 61.5% | 36.5% | D+25.0 |
| 2016 | 100,795 | 69,949 | 12,353 | 55.1% | 38.2% | D+16.8 |
| 2012 | 82,479 | 75,292 | 2,289 | 51.5% | 47.0% | D+4.5 |
| 2008 | 74,845 | 63,336 | 1,278 | 53.7% | 45.4% | D+8.3 |
| 2004 | 47,271 | 60,382 | 777 | 43.6% | 55.7% | R+12.1 |
| 2000 | 30,938 | 42,453 | 2,262 | 40.9% | 56.1% | R+15.2 |
Similar-sized counties in Virginia
Loudoun County presidential elections — FAQ
Who carried Loudoun County in the 2024 presidential election?+
Kamala D. Harris (Democratic) carried Loudoun County, Virginia in 2024 by D+16.3, with 228,208 votes cast. Data: MIT Election Data & Science Lab.
How did Loudoun County shift between 2020 and 2024?+
Loudoun County shifted 8.7 points toward Republicans between 2020 (D+25.0) and 2024 (D+16.3).
Is Loudoun County more Democratic or Republican than Virginia overall?+
In 2024, Loudoun County went D+16.3 while Virginia overall went D+5.8 — 10.5 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.