Fairfax city: Demographics & People
Census counts 25,026 people in Fairfax city, in 9,155 households. Median age 36.6 years. (1.2y younger than Virginia). Population is 19% Hispanic or Latino and 18% Asian. County is gaining 557 residents per year (2022-2023). County health: 29% adult obesity, 10% smoke.
- 2.7 people per household (vs Virginia avg 2.6).
- 64 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Current population 25,026; figures track the most recent Census ACS 5-year estimates.
| Population | 25,026 people (vs Virginia 42,214) |
|---|---|
| Total Town Population | 24,146 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 36.6y is 2.3 years younger than the U.S. median (38.9y).
| Age Summary · Total Pop | 25,026 |
|---|---|
| Age Summary · Under 18 | 6,210 |
| Age Summary · 18 To 34 | 5,729.0× |
| Age Summary · 35 To 64 | 9,569.0× |
| Age Summary · 65 Plus | 3,518 |
| Age Summary · Pct Under 18 | 24.8% |
| Age Summary · Pct 18 To 34 | 22.9% |
| Age Summary · Pct 35 To 64 | 38.2% |
| Median age | 36.6 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 25,026 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 25,026 people |
|---|---|
| White residents | 13,215 |
| Black residents | 1,585 |
| Asian residents | 4,597 |
| Census Demographics · Aian | 61 |
| Census Demographics · Other Race | 2,697 |
| Census Demographics · Two Or More Races | 2,871 |
| Hispanic or Latino residents | 4,728 |
| Diversity Index | 65.9% |
| Asian population | 18.4% (vs Virginia 5.6%) |
| Black population | 6.3% (vs Virginia 18.2%) |
| Hispanic or Latino population | 18.9% (vs Virginia 10.1%) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 14.5% are foreign-born — near the U.S. average of 13.9%.
| Census Citizenship · Total | 25,026 |
|---|---|
| Census Citizenship · Native | 17,366 |
| Residents born in this state | 7,795 |
| Residents born in another state | 8,810 |
| Census Citizenship · Foreign Born | 3,618 |
| Census Citizenship · Naturalized | 1,034 |
| Census Citizenship · Non Citizen | 761 |
| Foreign-born residents | 14.5% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
9,155 households.
| Family households | 5,775 households (vs Virginia 9,367) |
|---|---|
| Total households | 9,155 households (vs Virginia 14,324) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Residential Stability & Migration
How long residents have lived here and where they came from. The surrounding county is gaining 557 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 27,559 |
|---|---|
| Migration · People moving out (annual) | 27,002 |
| Migration · Net migration (in − out) | 557 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2022-2023
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.
| Census Disability · Total Pop | 24,615 |
|---|---|
| With Disability | 1,936 |
| Pct With Disability | 7.9% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
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. 0 residents live in group quarters.
| Census Group Quarters · Total | 536 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 24,484 |
|---|---|
| Census Mobility · Same House | 20,652 |
| Census Mobility · Same County | 609 |
| Census Mobility · Diff County Same State | 2,138 |
| Census Mobility · Diff State | 652 |
| Census Mobility · From Abroad | 433 |
| Census Mobility · Moved Total | 3,832 |
| Census Mobility · Pct Moved In Year | 15.7% |
| Pct White | 52.8% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29