Loudoun, Virginia — Presidential Election Results
Loudoun, Virginia has voted Democratic in 5 of the last 7 presidential elections on record (2000–2024). It most recently flipped to Democratic in 2008. In 2024, it was 10.9 pts more Dem. than Virginia overall.
Jump to year: 2000 · 2004 · 2008 · 2012 · 2016 · 2020 · 2024
Full Election History, 2000–2024
| Year | Winner | Party | Votes | Vote Share | Margin | Total Votes Cast | Swing | Vs. Virginia |
|---|---|---|---|---|---|---|---|---|
| 2000 | George W. Bush | Republican | 42,453 | 56.1% | 15.2 pts (11,515 votes) | 75,653 | — | 7.4 pts more Rep. |
| 2004 | George W. Bush | Republican | 60,382 | 55.7% | 12.1 pts (13,111 votes) | 108,430 | +3.5 pts | 3.9 pts more Rep. |
| 2008 | Barack Obama | Democratic | 74,845 | 53.7% | 8.3 pts (11,509 votes) | 139,459 | +20.5 pts | 2.0 pts more Dem. |
| 2012 | Barack Obama | Democratic | 82,479 | 51.5% | 4.5 pts (7,187 votes) | 160,060 | -3.8 pts | 0.6 pts more Dem. |
| 2016 | Hillary Clinton | Democratic | 100,795 | 55.1% | 16.8 pts (30,846 votes) | 183,097 | +13.5 pts | 12.4 pts more Dem. |
| 2020 | Joseph R Biden Jr | Democratic | 138,372 | 61.5% | 25.0 pts (56,284 votes) | 224,976 | +7.5 pts | 15.2 pts more Dem. |
| 2024 | Kamala D Harris | Democratic | 129,280 | 56.7% | 16.3 pts (37,173 votes) | 228,208 | -8.7 pts | 10.9 pts more Dem. |
Population Context
Total Census Bureau population estimate for the county that year, and recorded votes as a share of that total population. This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
| Year | County Population | Votes Cast (% of Population) |
|---|---|---|
| 2000 | 173,907 | 43.5% of population |
| 2004 | 238,299 | 45.5% of population |
| 2008 | 292,570 | 47.7% of population |
| 2012 | 337,847 | 47.4% of population |
| 2016 | 385,546 | 47.5% of population |
| 2020 | 422,723 | 53.2% of population |
| 2024 | 443,380 | 51.5% of population |
Trend
Between 2000 and 2024, the two-party presidential margin in Loudoun shifted 32.5 points toward the Democratic candidate, based on recorded county returns. This reflects the vote totals in this dataset only; no claim is made here about the causes of that shift.
Margin Over Time
Democratic candidate's margin (percentage points, two-party vote share). Positive values favor the Democratic candidate; negative values favor the Republican candidate.
Bellwether Status
Loudoun has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Virginia's own statewide winner in 7 of 7 (100%). Compare every county on the bellwether counties page.
Related Pages
Other Virginia Counties
Frequently Asked Questions
How has Loudoun voted in presidential elections since 2000?
Since 2000, Loudoun has voted Democratic in 5 of 7 recorded presidential elections and Republican in 2 of 7, based on county-level returns through 2024.
What was the closest presidential election in Loudoun?
Loudoun's closest recorded margin was in 2012, when Barack Obama (Democratic) won by 4.6 points (7,187 votes) out of 160,060 total votes cast.
Has Loudoun ever flipped between parties?
Yes. Loudoun changed which party won the county in: 2008, based on the 2000-2024 record on this page.
What is the largest presidential election margin recorded in Loudoun?
The widest margin on record for Loudoun was in 2020, when Joseph R Biden Jr (Democratic) won by 25.5 points.
How many votes were cast in Loudoun relative to its population?
In 2024, 228,208 votes were recorded in Loudoun against a total population of 443,380 (51.5% of the total population). This is a population-based figure, not a turnout rate against eligible or registered voters, which this site does not calculate.
Is Loudoun a presidential bellwether county?
Loudoun has matched the national popular winner in 5 of the last 7 presidential elections (71%), and Virginia's own statewide winner in 7 of 7 (100%).