Arlington County Demographics

A map of Arlington County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	136,939	139,653	58.0%	58.5%
Hispanic	37,572	37,362	15.9%	15.7%
Asian	24,753	27,235	10.5%	11.4%
Black	21,913	20,330	9.3%	8.5%
Multiracial	13,081	12,196	5.5%	5.1%
Native American/Other	1,996	1,867	0.8%	0.8%

Arlington County, Virginia has an estimated population of 236,254, a slight decrease from the 238,643 recorded in the 2020 Census. The population is 58.0% White, 15.9% Hispanic, 10.5% Asian, 9.3% Black, 5.5% Multiracial, and 0.8% Native American/Other. This demographic dot map shows the population of Arlington County, with one dot drawn for each person counted by the Census, color-coded by race.

Arlington has become slightly more racially diverse since the 2020 Census. It is slightly more diverse than Virginia overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Arlington County, that probability was 61.0% in 2020 and 61.6% in the most recent ACS estimates.

Arlington County is ranked the 8th most populous county in Virginia, out of 133 counties. Arlington County was ranked the 8th most populous county in the 2020 Census.

Arlington County's White Population

136,939 residents of Arlington County, or 58.0% of the population, identify as White. The share of White residents in Arlington County is comparable to the share in Virginia overall, where 58.4% of the population is White. Arlington County ranks 97th statewide in terms of White residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's White population has declined by an estimated 1.9%. White residents' share of Arlington County's population has decreased from 58.5% to 58.0%.

Arlington County is more White than neighboring Alexandria County (49.1% White), District of Columbia County (36.5% White), Fairfax County (46.8% White), and Fairfax County (51.1% White). Arlington County is less White than neighboring Falls Church County (68% White).

Arlington County's Black Population

21,913 residents of Arlington County, or 9.3% of the population, identify as Black. The share of Black residents in Arlington County is lower than in Virginia overall, where 18.3% of the population is Black. Arlington County ranks 81st statewide in terms of Black residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's Black population has grown by an estimated 7.8%. Black residents' share of Arlington County's population has increased from 8.5% to 9.3%.

Arlington County is more Black than neighboring Falls Church County (3.5% Black), and Fairfax County (6.3% Black). Arlington County is less Black than neighboring Alexandria County (21% Black), District of Columbia County (41.6% Black), and Fairfax County (9.4% Black).

Arlington County's Asian Population

24,753 residents of Arlington County, or 10.5% of the population, identify as Asian. The share of Asian residents in Arlington County is slightly higher than in Virginia overall, where 6.9% of the population is Asian. Arlington County ranks 4th statewide in terms of Asian residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's Asian population has declined by an estimated 9.1%. Asian residents' share of Arlington County's population has decreased from 11.4% to 10.5%.

Arlington County is more Asian than neighboring Alexandria County (6.2% Asian), Falls Church County (9.1% Asian), and District of Columbia County (4.3% Asian). Arlington County is less Asian than neighboring Fairfax County (19.9% Asian), and Fairfax County (18.4% Asian).

Arlington County's Hispanic Population

37,572 residents of Arlington County, or 15.9% of the population, identify as Hispanic. The share of Hispanic residents in Arlington County is slightly higher than in Virginia overall, where 11% of the population is Hispanic. Arlington County ranks 10th statewide in terms of Hispanic residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's Hispanic population has remained roughly the same. Hispanic residents' share of Arlington County's population has remained roughly unchanged at 15.9%.

Arlington County is more Hispanic than neighboring Falls Church County (10.8% Hispanic), and District of Columbia County (11.9% Hispanic). Arlington County is less Hispanic than neighboring Alexandria County (18.3% Hispanic), Fairfax County (17.6% Hispanic), and Fairfax County (18.9% Hispanic).

Arlington County's Native American/Other Population

1,996 residents of Arlington County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Arlington County is comparable to the share in Virginia overall, where 0.8% of the population is Native American/Other. Arlington County ranks 49th statewide in terms of Native American/Other residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's Native American/Other population has grown by an estimated 6.9%. Native American/Other residents' share of Arlington County's population has remained roughly unchanged at 0.8%.

Arlington County is more Native American/Other than neighboring Alexandria County (0.6% Native American/Other). Arlington County is less Native American/Other than neighboring Falls Church County (1.3% Native American/Other), Fairfax County (0.9% Native American/Other), and Fairfax County (1.2% Native American/Other).

Arlington County's Multiracial Population

13,081 residents of Arlington County, or 5.5% of the population, identify as Multiracial. The share of Multiracial residents in Arlington County is comparable to the share in Virginia overall, where 4.7% of the population is Multiracial. Arlington County ranks 20th statewide in terms of Multiracial residents as a share of the population, out of 133 counties.

Since the 2020 Census, Arlington County's Multiracial population has grown by an estimated 7.3%. Multiracial residents' share of Arlington County's population has remained roughly unchanged at 5.5%.

Arlington County is more Multiracial than neighboring Alexandria County (4.7% Multiracial), District of Columbia County (4.9% Multiracial), Fairfax County (5.4% Multiracial), and Fairfax County (4.1% Multiracial). Arlington County is less Multiracial than neighboring Falls Church County (7.2% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.