Arlington County's 2026 population is estimated at 249,059, reflecting a 1.89% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Arlington County is the 8th largest county in Virginia. The 2010 population was 209,319 and has grown 18.99% since 2010.
Data after 2023 is projected based on recent change
Overall: 35.5 years
Female: 35.8 years
Male: 35.3 years
There are 193,653 adults, (28,123 of whom are seniors) in Arlington County.
Female: 117,352 (49.7%)
Male: 118,902 (50.3%)
The racial composition of Arlington County includes 60.38% White, 10.55% Asian, 9.45% Black or African American, 5.61% other race, and smaller percentages for Native American, Native Hawaiian or Pacific Islander and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 142,640 | 60.38% |
| Two or more races | 31,531 | 13.35% |
| Asian | 24,923 | 10.55% |
| Black or African American | 22,327 | 9.45% |
| Other race | 13,248 | 5.61% |
| Native American | 1,476 | 0.62% |
| Native Hawaiian or Pacific Islander | 109 | 0.05% |
Arlington County 's average per capita income is $100,809. Household income levels show a median of $142,114. The poverty rate stands at 7.39%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $222,008 | $279,606 |
| Families | $199,541 | $253,776 |
| Households | $142,114 | $189,970 |
| Non Families | $112,386 | $137,382 |
Average Income
Median Household Income
Poverty Rate
