Arlington County, Virginia: New American county. In 2024, voted D+58%. Democratic peak: D+64 in 2020.
Key facts
- 2024 presidential margin
- D+58MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 236,2542024 5-year
- Median household income
- $142,1142024 5-year
- White (non-Hispanic)
- 60.4%2024 5-year
- Black
- 9.5%2024 5-year
- Hispanic / Latino
- 15.9%2024 5-year
- Peak Democratic margin
- D+64 in 2020MIT Election Lab
- Peak Republican margin
- R+49 in 1928MIT Election Lab
- Most similar
- Alexandria city, VA · similarity 1.00
2024 results by precinct
2024 precinct map of Arlington CountyPrecinct-level 2024 presidential results for Arlington 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 | +4.4% |
| 1896 | −37.6% |
| 1900 | −1.0% |
| 1904 | +22.6% |
| 1908 | +36.2% |
| 1912 | +33.3% |
| 1916 | +10.8% |
| 1920 | −8.7% |
| 1924 | −3.4% |
| 1928 | −49.5% |
| 1932 | +7.7% |
| 1936 | +27.4% |
| 1940 | +10.9% |
| 1944 | −7.7% |
| 1948 | −14.8% |
| 1952 | −22.3% |
| 1956 | −13.1% |
| 1960 | −3.3% |
| 1964 | +24.1% |
| 1968 | −3.4% |
| 1972 | −20.4% |
| 1976 | +2.4% |
| 1980 | −6.5% |
| 1984 | +3.0% |
| 1988 | +8.1% |
| 1992 | +25.9% |
| 1996 | +25.8% |
| 2000 | +26.0% |
| 2004 | +36.3% |
| 2008 | +44.6% |
| 2012 | +39.8% |
| 2016 | +59.2% |
| 2020 | +63.5% |
| 2024 | +58.1% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 100,446 | 25,223 | 129,561 | ||
| D | 105,344 | 22,318 | 130,699 | ||
| D | 92,016 | 20,186 | 121,339 | ||
| D | 81,269 | 34,474 | 117,608 | ||
| D | 78,994 | 29,876 | 110,153 | ||
| D | 63,987 | 29,635 | 94,650 | ||
| D | 50,260 | 28,555 | 83,559 | ||
| D | 45,573 | 26,106 | 75,376 | ||
| D | 47,756 | 26,376 | 82,584 | ||
| D | 40,314 | 34,191 | 75,365 | ||
| D | 37,031 | 34,848 | 72,242 | ||
| R | 26,502 | 30,854 | 66,861 | ||
| D | 32,536 | 30,972 | 64,599 | ||
| R | 25,877 | 39,406 | 66,383 | ||
| R | 26,107 | 28,163 | 61,326 | ||
| D | 33,567 | 20,485 | 54,363 | ||
| R | 22,095 | 23,632 | 45,977 | ||
| R | 16,674 | 21,868 | 39,725 | ||
| R | 14,032 | 22,158 | 36,380 | ||
| R | 7,798 | 10,774 | 20,111 | ||
| R | 7,122 | 8,317 | 15,499 | ||
| D | 5,440 | 4,365 | 9,862 | ||
| D | 4,971 | 2,825 | 7,835 | ||
| D | 3,285 | 2,806 | 6,234 | ||
| R | 1,444 | 4,274 | 5,718 | ||
| R | 1,209 | 1,307 | 2,921 | ||
| R | 835 | 997 | 1,870 | ||
| D | 515 | 412 | 950 | ||
| D | 394 | 125 | 809 | ||
| D | 354 | 165 | 522 | ||
| D | 157 | 99 | 257 | ||
| R | 413 | 421 | 836 | ||
| R | 322 | 713 | 1,039 | ||
| D | 1,169 | 1,069 | 2,298 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
Irish
13.6%
German
12.5%
English
12.2%
Italian
6.9%
Polish
2.8%
American
2.6%
Scottish
2.3%
African American
7.6%
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: 35.5 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
$142,114
Arlington County ranks in the top 0.5% of US counties.
Arlington County$142,114
Virginia$93,170
United States$80,734
Arlington 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
7.4%
Child poverty is below the national average.
Children under 187.8%
Working age (18–64)6.9%
Seniors (65+)13.7%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
70.6%
speak English only
Spanish12.5%
Other Indo-European7.1%
Asian & Pacific Islander5.5%
Other languages4.2%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 65.1% of residents not counted as adherents by any reporting body.
A dense, highly educated suburb directly across the Potomac from Washington, D.C., Arlington has delivered Democratic presidential margins exceeding 50 points in each of the last three cycles, making it one of the most lopsided jurisdictions in Virginia.
Arlington County has leaned Democratic in recent presidential elections, reaching a Democratic margin of sixty-four points in 2020. Between 2020 and 2024 it moved five 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 60% non-Hispanic-white share, a median household income of $142,114, and a population of 236,254. The county's voting pattern over the last decade is most similar to that of Alexandria city and Charlottesville 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.
Arlington County, Virginia. Akashic. https://akashic.app/county/51013/. Accessed May 20, 2026. License: CC BY 4.0.
License: CC BY 4.0
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Frequently asked questions
How did Arlington County, Virginia vote in 2024?
In 2024, Arlington County, Virginia voted Democratic by 58.1 points (D+58), carried by the Democratic candidate. Out of 129,561 votes cast, 100,446 went Democratic and 25,223 went Republican.
What is Arlington County, Virginia's political typology?
Akashic places Arlington 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 Arlington County, Virginia last vote Republican?
The most recent presidential election in which Arlington County, Virginia voted Republican was 1980.
How many people live in Arlington County, Virginia?
Arlington County, Virginia has a population of 236,254 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Arlington County, Virginia?
Median household income in Arlington County, Virginia is $142,114 — above the national median of $80,734. The Virginia state median is $93,170.
What is the political history of Arlington County, Virginia?
Akashic tracks 38 presidential elections in Arlington 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.