County · Virginia
Arlington County, Virginia
Arlington County, Virginia. Arlington County had 243,931 residents in 2025 by the Census Bureau's estimate, up 2.2% since 2020, slower than Virginia (+2.9%). It holds 1 place (1 census-designated) and 71 census tracts. GEOID 51013.
Arlington County is one of the 23 counties of the Washington-Arlington-Alexandria, DC-VA-MD-WV metropolitan statistical area (the Census Bureau's July 2023 delineation).
Arlington County is the same area as Arlington: the county and the city are one area with the same figures. This page lists its census tracts and the places within it; the city's page has its city ranks and its building permits.
Residents, July 2025 estimate
243,931
Census Bureau estimate (no margin published)
2020 Census count: 238,643 · ACS 2020-2024: 236,254
Median household income
$142,114
±$3,551 (90% margin)
Virginia: $93,170
Median home value
$895,000
±$16,854 (90% margin)
Virginia: $383,700
Median gross rent
$2,322
±$26 (90% margin)
Virginia: $1,579
How many people live in Arlington County, and is it growing?
The 2020 Census counted 238,643 residents in Arlington County. The Census Bureau estimates 243,931 for July 1, 2025, up 2.2% since 2020, slower than Virginia (+2.9%). The 2020-2024 American Community Survey puts the population at 236,254 over 26 square miles of land.
| Measure | Arlington County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Total population | 236,254 | 8,705,170 | +2,790 |
| Households | 112,027±978 | 3,365,732 | +4,995 |
| Average household size | 2.08±0.02 | 2.52 | −0.07 |
| Housing units | 121,970±99 | 3,684,756 | +7,191 |
Arlington County's population since 2000
From 189,453 in 2000 to 243,931 in 2025: up 28.8%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.
Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov
What cities and towns are in Arlington County?
Arlington County holds 1 place: 1 census-designated place. The largest is Arlington with 236,254 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.
| Arlington | 238,643 | $142,114 |
|---|
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov
Who lives in Arlington County?
The median resident of Arlington County is 35.5 years old; 18.0% are under 18 and 11.9% are 65 or older. The largest group is non-Hispanic white residents at 58.0%, then Hispanic or Latino residents (of any race) at 15.9%. 22.4% of residents were born outside the United States.
| Measure | Arlington County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median age | 35.5±0.2 | 39.0 | +0.8 |
| Under 18 years | 18.0% | 21.7% | – |
| 65 years and over | 11.9%±0.1 pts | 16.7% | – |
| Hispanic or Latino (any race) | 15.9% | 11.0% | +0.3 pts |
| White alone, not Hispanic | 58.0%±0.3 pts | 58.4% | −3.5 pts |
| Black or African American alone, not Hispanic | 9.3%±0.2 pts | 18.3% | +0.4 pts |
| Asian alone, not Hispanic | 10.5%±0.3 pts | 6.9% | no clear change |
| American Indian and Alaska Native alone, not Hispanic | 0.1%±0.1 pts | 0.1% | – |
| Native Hawaiian and Other Pacific Islander alone, not Hispanic | 0.0%±0.1 pts | 0.1% | – |
| Two or more races, not Hispanic | 5.5%±0.5 pts | 4.7% | – |
| Some other race alone, not Hispanic | 0.7%±0.2 pts | 0.6% | – |
| Born outside the United States | 22.4%±0.8 pts | 13.1% | no clear change |
| Speak a language other than English at home (age 5+) | 29.4%±0.8 pts | 17.4% | – |
| Civilian veterans (age 18+) | 6.3%±0.5 pts | 9.4% | – |
| With a disability | 6.7%±0.4 pts | 12.5% | – |
| No health insurance coverage | 5.3%±0.5 pts | 6.9% | no clear change |
| High school graduate or higher (age 25+) | 95.2%±0.6 pts | 91.6% | – |
| Bachelor's degree or higher (age 25+) | 77.1%±0.9 pts | 42.2% | +1.8 pts |
| Graduate or professional degree (age 25+) | 41.7%±1.0 pts | 18.5% | – |
| Moved from another state in the past year | 7.9%±0.5 pts | 3.1% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov
What do households in Arlington County earn?
Half of Arlington County's 112,027 households earn less than $142,114 a year (±$3,551), against $93,170 in Virginia. In 2015-2019 the median was $147,771 in 2024 dollars, so it fell by $5,657 after inflation. 7.4% of residents live below the poverty line.
| Measure | Arlington County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median household income | $142,114±$3,551 | $93,170 | −$5,657 |
| Mean household income | $189,970±$4,427 | $128,260 | – |
| Per capita income | $90,786±$1,921 | $50,666 | no clear change |
| People below the poverty line | 7.4%±0.7 pts | 9.9% | no clear change |
| Children under 18 below the poverty line | 7.8%±1.7 pts | 12.3% | no clear change |
| Households receiving SNAP | 4.0%±0.4 pts | 9.1% | – |
| Households with a broadband subscription | 95.2%±0.7 pts | 91.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What does housing cost in Arlington County?
Owners occupy 41.3% of Arlington County's occupied homes and renters 58.7%. The median owner-occupied home is valued at $895,000 by its owner (±$16,854). The median renter pays $2,322 a month including utilities, and 31.3% of renters pay 35% or more of their income on rent.
| Measure | Arlington County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| Median home value (owner-occupied) | $895,000±$16,854 | $383,700 | +$26,869 |
| Median gross rent | $2,322±$26 | $1,579 | −$102 |
| Renters paying 35% or more of income on rent | 31.3%±1.6 pts | 39.4% | +2.3 pts |
| Median monthly owner costs, with a mortgage | $3,649±$80 | $2,127 | – |
| Owner-occupied homes | 41.3%±1.0 pts | 67.3% | −1.4 pts |
| Housing units | 121,970±99 | 3,684,756 | +7,191 |
| Homeowner vacancy rate | 1.1%±0.4 pts | 0.8% | – |
| Rental vacancy rate | 4.8%±0.8 pts | 4.8% | – |
| Single-family detached homes | 24.8%±0.6 pts | 61.3% | – |
| Mobile homes | 0.2%±0.1 pts | 4.3% | – |
| Built 2020 or later | 2.0%±0.3 pts | 1.7% | – |
| Built 1939 or earlier | 8.2%±0.5 pts | 7.0% | – |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov
How many new homes is Arlington County building?
Builders took permits for 1,309 new housing units across Arlington County in 2025 (224 single-family), 5.4 per 1,000 residents.
Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey
How do people in Arlington County get to work?
38.0% of Arlington County's workers drive alone and 35.3% work from home. The average trip to work takes 26.2 minutes. The unemployment rate in 2020-2024 averaged 3.3%.
| Measure | Arlington County | Virginia | Change since 2015-2019 |
|---|---|---|---|
| In the labor force (age 16+) | 77.3%±0.6 pts | 65.4% | – |
| Unemployment rate | 3.3%±0.3 pts | 4.3% | +0.6 pts |
| Drove alone to work | 38.0%±1.1 pts | 67.6% | – |
| Carpooled | 5.0%±0.8 pts | 8.0% | – |
| Public transportation | 14.0%±0.8 pts | 2.3% | – |
| Walked | 4.4%±0.5 pts | 2.1% | – |
| Worked from home | 35.3%±1.3 pts | 18.3% | +28.6 pts |
| Mean travel time to work | 26.2 min±0.4 | 27.3 min | −3.0 min |
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov
What are Arlington County's census tracts?
Arlington County is divided into 71 census tracts. Among those with a reliable estimate, median household income runs from $62,396 (Tract 1020.03) to $250,000 or more (Tract 1004).
All 71 census tracts of Arlington County, with their figures
Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov
How does Arlington County compare with Virginia's other counties?
| Measure | Rank |
|---|---|
| Population | 8th of 133 |
| Growth 2020-2025 | 57th of 133 |
| Residents per square mile | 2nd of 133 |
| Median household income | 4th of 133 |
| Median home value | 2nd of 133 |
| Median gross rent | 2nd of 133 |
| Poverty rate | 108th of 133 |
| Bachelor's degree or higher | 2nd of 133 |
| Median age | 119th of 133 |
Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed
How these figures are made: methodology and release checks · reading a margin of error · every state · corrections
Not on this page: crime, weather and schools for Arlington County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.