Arlington County's estimated 2026 population is 248,175 with a growth rate of 1.74% in the past year according to the most recent United States census data. Arlington County is the 8th largest county in Virginia. The 2010 population was 209,319 and has seen a growth of 18.56% since that time.
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