Loudoun County, Virginia: New American county. In 2024, voted D+16%. Democratic peak: D+81 in 1924.
Key facts
- 2024 presidential margin
- D+16MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 432,9982024 5-year
- Median household income
- $181,7652024 5-year
- White (non-Hispanic)
- 52.7%2024 5-year
- Black
- 7.7%2024 5-year
- Hispanic / Latino
- 14.3%2024 5-year
- Peak Democratic margin
- D+81 in 1924MIT Election Lab
- Peak Republican margin
- R+45 in 1972MIT Election Lab
- Most similar
- Hamilton County, OH · similarity 0.98
2024 results by precinct
2024 precinct map of Loudoun CountyPrecinct-level 2024 presidential results for Loudoun County, with each precinct boundary colored by Democratic-vs-Republican margin.
—
Margin—
Turnout—
Harris +50Trump +50
Real precinct boundaries. Hover for vote totals.
presidential history
Presidential margin, 1876–2024
Democratic minus Republican, by election
| Year | Margin (D minus R) |
|---|---|
| 1876 | No data |
| 1880 | No data |
| 1884 | No data |
| 1888 | No data |
| 1892 | +21.1% |
| 1896 | +15.5% |
| 1900 | +22.4% |
| 1904 | +53.9% |
| 1908 | +53.7% |
| 1912 | +63.9% |
| 1916 | +56.5% |
| 1920 | +38.4% |
| 1924 | +80.8% |
| 1928 | +18.2% |
| 1932 | +59.9% |
| 1936 | +44.9% |
| 1940 | +33.9% |
| 1944 | +9.6% |
| 1948 | +3.5% |
| 1952 | −10.0% |
| 1956 | −11.4% |
| 1960 | −2.6% |
| 1964 | +19.6% |
| 1968 | −13.2% |
| 1972 | −44.7% |
| 1976 | −6.7% |
| 1980 | −26.3% |
| 1984 | −36.5% |
| 1988 | −33.5% |
| 1992 | −11.6% |
| 1996 | −11.7% |
| 2000 | −15.2% |
| 2004 | −12.1% |
| 2008 | +8.3% |
| 2012 | +4.5% |
| 2016 | +16.9% |
| 2020 | +25.0% |
| 2024 | +16.2% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 129,280 | 92,107 | 229,692 | ||
| D | 138,372 | 82,088 | 224,862 | ||
| D | 100,795 | 69,949 | 183,050 | ||
| D | 82,479 | 75,292 | 160,060 | ||
| D | 74,845 | 63,336 | 139,459 | ||
| R | 47,271 | 60,382 | 108,430 | ||
| R | 30,938 | 42,453 | 75,653 | ||
| R | 19,942 | 25,715 | 49,330 | ||
| R | 14,462 | 19,290 | 41,574 | ||
| R | 10,101 | 20,448 | 30,862 | ||
| R | 8,227 | 17,765 | 26,128 | ||
| R | 6,694 | 12,076 | 20,492 | ||
| R | 7,995 | 9,192 | 17,748 | ||
| R | 1,009 | 2,683 | 3,745 | ||
| R | 3,262 | 4,577 | 9,970 | ||
| D | 5,151 | 3,463 | 8,626 | ||
| R | 2,399 | 2,526 | 4,954 | ||
| R | 1,960 | 2,489 | 4,660 | ||
| R | 2,075 | 2,540 | 4,630 | ||
| D | 1,545 | 1,430 | 3,245 | ||
| D | 1,802 | 1,485 | 3,294 | ||
| D | 2,156 | 1,061 | 3,231 | ||
| D | 2,287 | 867 | 3,162 | ||
| D | 2,440 | 600 | 3,071 | ||
| D | 1,915 | 1,325 | 3,240 | ||
| D | 1,794 | 152 | 2,031 | ||
| D | 1,720 | 757 | 2,506 | ||
| D | 1,490 | 404 | 1,922 | ||
| D | 1,386 | 256 | 1,768 | ||
| D | 1,570 | 447 | 2,092 | ||
| D | 1,558 | 442 | 2,072 | ||
| D | 2,690 | 1,684 | 4,499 | ||
| D | 2,741 | 1,991 | 4,837 | ||
| D | 2,719 | 1,738 | 4,657 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
German
10.2%
English
10.1%
Irish
9.7%
Italian
5.4%
American
5.2%
Polish
2.6%
Scottish
1.9%
African American
6.2%
Multiple ancestry combinations reported; no single grouping above 1%.
American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.
Source · American Community Survey 5-year estimates, 2024 release. Hispanic/Latino is an ethnicity that overlaps the race categories, so these shares can total more than 100%. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.
2024 ACS
Age distribution by sex
Median age: 38.2 in this county, 39.1 nationally
Male
Age
Female
85+
75–84
65–74
55–64
45–54
35–44
25–34
18–24
5–17
<5
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Median household income
Inflation-adjusted dollars
$181,765
Loudoun County ranks in the top 0.5% of US counties.
Loudoun County$181,765
Virginia$93,170
United States$80,734
Loudoun County ranks in the top 0.5% of US counties by median household income.
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Poverty rate
All persons below federal poverty line
4.2%
Child poverty is below the national average.
Children under 184.4%
Working age (18–64)4.0%
Seniors (65+)7.4%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
65.1%
speak English only
Other Indo-European11.4%
Spanish11.0%
Asian & Pacific Islander9.7%
Other languages2.8%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 71.2% of residents not counted as adherents by any reporting body.
Loudoun's rapid growth, driven by data-center corridor jobs and an influx of highly educated transplants, has shifted its presidential margins from R+20 in 2004 to D+16 in 2024 — a swing that tracks closely with national suburban realignment.
Loudoun County has leaned Democratic in recent presidential elections, reaching a Democratic margin of eighty-one points in 1924. Between 2020 and 2024 it moved nine points toward the Republican candidate — part of the sharpest rightward shift recorded among any group of places in the country.
Its demographics describe the shift: a 53% non-Hispanic-white share, a median household income of $181,765, and a population of 432,998. The county's voting pattern over the last decade is most similar to that of Hamilton County and Manassas city.
Most similar counties
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Loudoun County, Virginia. Akashic. https://akashic.app/county/51107/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
More in Virginia
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Frequently asked questions
How did Loudoun County, Virginia vote in 2024?
In 2024, Loudoun County, Virginia voted Democratic by 16.2 points (D+16), carried by the Democratic candidate. Out of 229,692 votes cast, 129,280 went Democratic and 92,107 went Republican.
What is Loudoun County, Virginia's political typology?
Akashic places Loudoun County, Virginia in the "New American" typology — Communities where a large share of households speak a language other than English — multilingual, Democratic-leaning overall, yet the hardest-swinging bloc toward the Republican Party in 2024. The typology is a data-driven cluster built from vote share, vote swing, race and ethnicity, income, language spoken at home, religion, and ancestry. Across 38 elections in the dataset, the county has voted Democratic 21 times, Republican 13 times, and other 0 times.
When did Loudoun County, Virginia last vote Republican?
The most recent presidential election in which Loudoun County, Virginia voted Republican was 2004.
How many people live in Loudoun County, Virginia?
Loudoun County, Virginia has a population of 432,998 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Loudoun County, Virginia?
Median household income in Loudoun County, Virginia is $181,765 — above the national median of $80,734. The Virginia state median is $93,170.
What is the political history of Loudoun County, Virginia?
Akashic tracks 38 presidential elections in Loudoun County, Virginia from 1876 to 2024. Of those, 21 went Democratic and 13 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.