Arlington: Demographics & People
Arlington's population stands at 236,254 people, in 112,027 households. Population grew 0.3% from 235,463 (2022) to 236,254 (2024). Median age 35.5 years. (2.3y younger than Virginia). Children under 18 are 18% of the population. Population is 58% White (non-Hispanic) and 16% Hispanic or Latino. The community is moderately diverse (Simpson index 0.55). 44% of households are family-led. County is losing 5,365 residents per year (2022-2023). County health: 26% adult obesity, 10% smoke.
- 2.1 people per household (vs Virginia avg 2.6).
- 56% non-family households (singles, roommates) (vs Virginia 35%).
- 43 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population grew 0.3% from 235,463 (2022) to 236,254 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~237,057 (extrapolated at 0.2%/yr trend). Census Bureau Vintage estimate: 238,142.
| Census data vintage | 2024 |
|---|---|
| Population | 238,643 people |
| Annual growth rate · Population change | 0.3% |
| Annual growth rate · Population (2022) | 235,463 |
| Annual growth rate · Population (2024) | 236,254 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 236,254 people (vs Virginia 42,214) |
| Population Estimate | 238,142 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 35.5y is 3.4 years younger than the U.S. median (38.9y). Children under 18 make up 18% — below the U.S. share of ~22%.
| Age Summary · Median age | 35.5 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 18.0% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 236,254 |
| Age Summary · Under 18 | 42,601 |
| Age Summary · 18 To 34 | 73,196.0× |
| Age Summary · 35 To 64 | 92,334.0× |
| Age Summary · 65 Plus | 28,123 |
| Population under 18 | 42,601 |
| Median age | 35.5 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 236,254 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.55 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| White residents | 147,496 |
|---|---|
| Black residents | 22,214 |
| Asian residents | 24,719 |
| Hispanic or Latino residents | 37,054 |
| Diversity Index · Diversity index (Simpson) | 54.8% |
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 63.7% |
| Asian population | 10.5% (vs Virginia 5.6%) |
| Black population | 9.3% (vs Virginia 18.2%) |
| Hispanic or Latino population | 15.9% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 58.0% (vs Virginia 53.8%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 3.2% are foreign-born — below the U.S. average of 13.9%. 22% have naturalized to U.S. citizenship.
| Residents born in this state | 51,539 |
|---|---|
| Residents born in another state | 124,082 |
| Share born in this state | 21.8% |
| Share born in another state | 78.2% |
| Native-born U.S. citizens | 52.5% |
| Foreign-born residents | 3.2% |
| Naturalized citizens | 22.4% |
| Total foreign-born residents | 52,494 |
| From Europe | 7,052 |
| From Asia | 190 |
| From Africa | 20,492 |
| From Latin America | 498 |
| Census Foreign Born · Caribbean | 182 |
| Census Foreign Born · Central America | 53 |
| Census Foreign Born · South America | 234 |
Households & Family Composition
112,027 households. Averaging 2.1 people each — smaller than the U.S. average of 2.5. 44% are family households — below the U.S. share of ~65%. Of 49,741 families, 35% are married couples with children.
| Children under 18 | 42,754 |
|---|---|
| Total families | 49,741 |
| Married couples with children | 17,585 |
| Single-parent households | 1,193 |
| Average household size | 2.08 |
| Women who gave birth (past year) | 9.5% |
| Grandparents living with grandchildren | 837 |
| Grandparents responsible for grandchildren | 165 |
| Family households | 49,498 households (vs Virginia 9,367) |
| Households that are families | 44.2% (vs Virginia 65.0%) |
| Total households | 112,027 households (vs Virginia 14,324) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 21.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 5,365 residents per year on net (IRS migration data).
| Moved within the county (past year) | 21.3% |
|---|---|
| Migration · People moving in (annual) | 237,753 |
| Migration · People moving out (annual) | 243,118 |
| Migration · Net migration (in − out) | -5,365 |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 7,392 |
|---|---|
| Disability rate | 3.2% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 3,053 residents live in group quarters (1.3% of population).
| Living in group quarters | 3,053 |
|---|
Veterans
| Veterans Services · Total count | 2 |
|---|
Sources: IRS BMF keyword
Other
| Congressional District · District | 8 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51013 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 013 |
| Cdc Birth Rate · County | Arlington |
| Cdc Birth Rate · Birth Rate | 6.7% |
| Cdc Birth Rate · Lower Ci | 5.70 |
| Cdc Birth Rate · Upper Ci | 7.90 |
| Cdc Mortality · Fips | 51013 |
| Cdc Mortality · County | Arlington County |
| Cdc Mortality · Urban Rural | Large central metro |
| Cdc Mortality · Total Deaths 2020 2023 | 5,109 |
| Cdc Vaccination · Fips | 51013 |
| Cdc Vaccination · County | Arlington County |
| Cdc Vaccination · Dose1 Pop Pct | 95.0% |
| Cdc Vaccination · Series Complete Pct | 76.3% |
| Cdc Vaccination · Booster Pct | 35.2% |
| Cdc Vaccination · Population 2019 | 236,842 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 42 |
| Family Score · Childcare Centers | 66 |
| Family Score · Youth Sports Orgs | 4 |
| Family Score · Children Pct | 18.0% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 236,254, stable, family-oriented, affluent, white collar |
| Town Summary · Population | 236,254 people (vs Virginia 42,214) |
| Town Summary · County | Arlington County |
Sources: NCES school congressional district assignment · federal dataset cascade