Fairfax County, Virginia: New American county. In 2024, voted D+35%. Democratic peak: D+60 in 1912.
Key facts
- 2024 presidential margin
- D+35MIT Election Lab
- Political typology
- New AmericanAkashic typology
- Population
- 1,147,8372024 5-year
- Median household income
- $153,6372024 5-year
- White (non-Hispanic)
- 49.1%2024 5-year
- Black
- 9.6%2024 5-year
- Hispanic / Latino
- 17.6%2024 5-year
- Peak Democratic margin
- D+60 in 1912MIT Election Lab
- Peak Republican margin
- R+34 in 1928MIT Election Lab
- Most similar
- Fairfax city, VA · similarity 0.99
2024 results by precinct
2024 precinct map of Fairfax CountyPrecinct-level 2024 presidential results for Fairfax 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 | +16.9% |
| 1896 | +5.8% |
| 1900 | +17.2% |
| 1904 | +29.1% |
| 1908 | +47.4% |
| 1912 | +60.2% |
| 1916 | +42.4% |
| 1920 | +23.3% |
| 1924 | +32.2% |
| 1928 | −34.2% |
| 1932 | +32.4% |
| 1936 | +29.4% |
| 1940 | +15.8% |
| 1944 | −6.1% |
| 1948 | −12.8% |
| 1952 | −21.9% |
| 1956 | −13.8% |
| 1960 | −3.6% |
| 1964 | +22.5% |
| 1968 | −10.8% |
| 1972 | −33.9% |
| 1976 | −8.9% |
| 1980 | −26.7% |
| 1984 | −26.1% |
| 1988 | −22.8% |
| 1992 | −2.7% |
| 1996 | −1.6% |
| 2000 | −1.4% |
| 2004 | +7.3% |
| 2008 | +21.2% |
| 2012 | +20.5% |
| 2016 | +35.8% |
| 2020 | +41.9% |
| 2024 | +34.7% |
DemocraticRepublican
38 presidential elections
| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| D | 386,438 | 181,895 | 589,427 | ||
| D | 419,943 | 168,401 | 600,823 | ||
| D | 355,133 | 157,710 | 551,183 | ||
| D | 315,273 | 206,773 | 529,287 | ||
| D | 310,359 | 200,994 | 516,254 | ||
| D | 245,671 | 211,980 | 461,379 | ||
| R | 196,501 | 202,181 | 413,775 | ||
| R | 170,150 | 176,033 | 365,263 | ||
| R | 160,186 | 170,488 | 385,218 | ||
| R | 125,711 | 200,641 | 328,365 | ||
| R | 107,295 | 183,181 | 291,298 | ||
| R | 73,734 | 137,620 | 239,705 | ||
| R | 92,037 | 110,424 | 205,957 | ||
| R | 54,844 | 112,135 | 169,246 | ||
| R | 44,796 | 57,462 | 117,319 | ||
| D | 48,680 | 30,755 | 79,517 | ||
| R | 26,064 | 28,006 | 54,219 | ||
| R | 15,633 | 20,761 | 37,267 | ||
| R | 8,329 | 13,020 | 21,379 | ||
| R | 3,719 | 4,930 | 9,489 | ||
| R | 3,582 | 4,046 | 7,662 | ||
| D | 3,263 | 2,371 | 5,660 | ||
| D | 2,913 | 1,584 | 4,527 | ||
| D | 2,714 | 1,368 | 4,154 | ||
| R | 1,229 | 2,507 | 3,736 | ||
| D | 1,586 | 765 | 2,550 | ||
| D | 1,598 | 987 | 2,617 | ||
| D | 1,179 | 472 | 1,666 | ||
| D | 992 | 187 | 1,338 | ||
| D | 1,143 | 404 | 1,560 | ||
| D | 774 | 422 | 1,211 | ||
| D | 2,135 | 1,507 | 3,656 | ||
| D | 2,109 | 1,877 | 4,016 | ||
| D | 2,168 | 1,537 | 3,730 | ||
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Demographics
2024 ACS
Race, ethnicity, and ancestry
Click any group to see the ancestries typically reported within it.
English
10.2%
German
10.1%
Irish
9.5%
Italian
4.5%
American
3.3%
Polish
2.3%
Scottish
1.9%
African American
7.7%
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: 39.1 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
$153,637
Fairfax County ranks in the top 0.5% of US counties.
Fairfax County$153,637
Virginia$93,170
United States$80,734
Fairfax 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
5.9%
Child poverty is below the national average.
Children under 187.2%
Working age (18–64)5.5%
Seniors (65+)6.9%
Source · American Community Survey 5-year estimates, 2024 release.
2024 ACS
Language at home
Population aged 5 and older
61.0%
speak English only
Spanish13.6%
Asian & Pacific Islander11.7%
Other Indo-European8.8%
Other languages4.9%
Source · ACS 5-year estimates, 2024.
2020 religion census
Religious adherents
Adherents per capita by tradition
Source · 2020 US Religion Census. Remaining 52.1% of residents not counted as adherents by any reporting body.
Fairfax County's rapid demographic shift—driven by federal-sector employment and immigration from Asia and Latin America—has moved it from a competitive suburb into one of the most reliably Democratic large counties in the mid-Atlantic.
Fairfax County has leaned Democratic in recent presidential elections, reaching a Democratic margin of sixty points in 1912. Between 2020 and 2024 it moved seven 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 49% non-Hispanic-white share, a median household income of $153,637, and a population of 1,147,837. The county's voting pattern over the last decade is most similar to that of Fairfax city and Mecklenburg County.
Most similar counties
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Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Fairfax County, Virginia. Akashic. https://akashic.app/county/51059/. 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 Fairfax County, Virginia vote in 2024?
In 2024, Fairfax County, Virginia voted Democratic by 34.7 points (D+35), carried by the Democratic candidate. Out of 589,427 votes cast, 386,438 went Democratic and 181,895 went Republican.
What is Fairfax County, Virginia's political typology?
Akashic places Fairfax 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 19 times, Republican 15 times, and other 0 times.
When did Fairfax County, Virginia last vote Republican?
The most recent presidential election in which Fairfax County, Virginia voted Republican was 2000.
How many people live in Fairfax County, Virginia?
Fairfax County, Virginia has a population of 1,147,837 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Fairfax County, Virginia?
Median household income in Fairfax County, Virginia is $153,637 — above the national median of $80,734. The Virginia state median is $93,170.
What is the political history of Fairfax County, Virginia?
Akashic tracks 38 presidential elections in Fairfax County, Virginia from 1876 to 2024. Of those, 19 went Democratic and 15 went Republican. The county's typology — "New American" — captures where that record, its demographics, and its recent swing place it among American communities.