Demographics of Arlington County, Virginia

Arlington County, Virginia had 243,931 people on July 1, 2025, by the Census Bureau’s estimate: +5,106 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Arlington County, in four figures

243,931
Population: July 1, 2025, Vintage 2025 estimate.; +2.1%
Change since July 2020: +5,106 people.; 35.5 ±0.2
Median age: ACS 2020–⁠2024.; $142,114 ±$3,551
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Arlington County, Virginia's population grew 2.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Arlington County, Virginia's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Arlington County, Virginia's population grew 2.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Arlington County, Virginia's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	238,825	100.0	100.0
2021	233,485	97.8	100.2
2022	233,476	97.8	100.7
2023	234,369	98.1	101.6
2024	239,687	100.4	102.5
2025	243,931	102.1	103.1

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Population of Arlington County, Virginia on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	238,825	+178	+335	+50	−315
2021	233,485	−5,340	+1,290	+957	−7,168
2022	233,476	−9	+1,484	+2,191	−3,714
2023	234,369	+893	+1,289	+2,590	−3,013
2024	239,687	+5,318	+1,395	+4,315	−386
2025	243,931	+4,244	+1,415	+2,745	+65

Age, 2020–2024

The median age is 35.5 ±0.2: for men 35.3 ±0.1 and for women 35.8 ±0.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Arlington County by age, ACS 2020–2024
Age	People	Share	Virginia	United States
Under 5	11,805 ±16	5.0% ±<0.1	5.6% ±<0.1	5.6% ±<0.1
5 to 17	30,796 ±851	13.0% ±0.4	16.1% ±0.1	16.3% ±<0.1
18 to 24	19,713 ±592	8.3% ±0.3	9.3% ±0.1	9.1% ±<0.1
25 to 44	91,642 ±1,220	38.8% ±0.5	27.1% ±0.1	26.9% ±<0.1
45 to 64	54,175 ±1,007	22.9% ±0.4	25.3% ±0.1	24.8% ±<0.1
65 and over	28,123 ±950	11.9% ±0.4	16.7% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $142,114 ±$3,551, and income per person $90,786 ±$1,921, in 2024 dollars. The median is $93,170 ±$458 in Virginia and $80,734 ±$166 in the United States.

Households by income

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Households in Arlington County by income, ACS 2020–2024
Household income	Households	Share	Virginia	United States
Under $25,000	9,218 ±899	8.2% ±0.8	12.2% ±0.2	14.6% ±<0.1
$25,000 to $49,999	8,401 ±795	7.5% ±0.7	14.5% ±0.2	16.7% ±<0.1
$50,000 to $74,999	9,670 ±801	8.6% ±0.7	14.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	11,133 ±880	9.9% ±0.8	12.1% ±0.1	12.6% ±<0.1
$100,000 to $149,999	20,467 ±1,281	18.3% ±1.1	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	16,583 ±858	14.8% ±0.8	11.1% ±0.1	9.6% ±<0.1
$200,000 or more	36,555 ±1,054	32.6% ±0.9	17.7% ±0.2	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Arlington County by age, ACS 2020–2024
Age	Below poverty	Rate	Virginia	United States
All ages	17,249 ±1,523	7.4% ±0.7	9.9% ±0.2	12.5% ±0.1
Under 18	3,283 ±580	7.8% ±1.4	12.3% ±0.3	16.1% ±0.1
18 to 59	10,103 ±954	6.6% ±0.6	9.4% ±0.2	11.6% ±0.1
60 and over	3,863 ±574	10.1% ±1.5	8.9% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Arlington County, ACS 2020–2024
Measure	Arlington County	Virginia	United States
Housing units	121,970 ±99	3,684,756 ±486	143,775,355 ±10,234
Occupied	91.8% ±0.8	91.3% ±0.2	89.9% ±0.1
Vacant	8.2% ±0.8	8.7% ±0.2	10.1% ±0.1
Owner occupied	41.3% ±0.9	67.3% ±0.4	65.2% ±0.3
Renter occupied	58.7% ±1.1	32.7% ±0.2	34.8% ±0.1
Median home value	$895,000 ±$16,854	$383,700 ±$1,024	$332,700 ±$236
Median gross rent	$2,322 ±$26	$1,579 ±$8	$1,413 ±$2
Median year built	1976 ±2	1984 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Arlington County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Virginia	United States
Hispanic or Latino	37,572 ±0	15.9% ±<0.1	11.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	136,939 ±814	58.0% ±0.3	58.4% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	21,913 ±493	9.3% ±0.2	18.3% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	24,753 ±719	10.5% ±0.3	6.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	268 ±101	0.1% ±<0.1	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	14 to 150	< 0.1% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	1,646 ±441	0.7% ±0.2	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	13,081 ±1,095	5.5% ±0.5	4.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Arlington County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Virginia	United States
Born in the state	51,539 ±1,561	21.8% ±0.7	48.8% ±0.1	57.3% ±<0.1
Born in another state	124,082 ±2,265	52.5% ±1.0	35.9% ±0.2	26.9% ±<0.1
Born a citizen outside the states	7,609 ±812	3.2% ±0.3	2.1% ±<0.1	1.7% ±<0.1
Born abroad	53,024 ±1,788	22.4% ±0.8	13.1% ±0.1	14.1% ±<0.1
Naturalized citizens	26,078 ±1,225	11.0% ±0.5	7.4% ±0.1	7.4% ±<0.1
Not citizens	26,946 ±1,555	11.4% ±0.7	5.7% ±0.1	6.8% ±<0.1

Arlington County among the counties of Virginia

8th of 133 by population, July 2025. Every one is listed on the Virginia page.

Counties of Virginia near Arlington County in population, July 2025
County	July 2025	Change since 2020
Virginia Beach city	453,737	−1.3%
Loudoun County	449,749	+6.4%
Chesterfield County	397,148	+8.7%
Henrico County	342,775	+2.3%
Chesapeake city	255,332	+2.3%
Arlington County	243,931	+2.1%
Richmond city	237,257	+4.6%
Norfolk city	231,013	−2.9%
Newport News city	183,230	−1.5%
Stafford County	170,803	+8.3%
Alexandria city	160,662	+1.0%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026