Manassas city: Demographics & People
About 42,976 people live in Manassas city, in 14,203 households. Median age 34.8 years. (3.0y younger than Virginia). Population is 44% Hispanic or Latino and 12% Black. County is losing 1,692 residents per year (2022-2023). County health: 35% adult obesity, 13% smoke.
- 3.0 people per household (vs Virginia avg 2.6).
- 60 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Current population 42,976; figures track the most recent Census ACS 5-year estimates.
| Population | 42,976 people (vs Virginia 42,214) |
|---|---|
| Total Town Population | 42,772 people |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Age Distribution
Median age 34.8y is 4.1 years younger than the U.S. median (38.9y).
| Age Summary · Total Pop | 42,976 |
|---|---|
| Age Summary · Under 18 | 11,557 |
| Age Summary · 18 To 34 | 10,109.0× |
| Age Summary · 35 To 64 | 16,770.0× |
| Age Summary · 65 Plus | 4,540 |
| Age Summary · Pct Under 18 | 26.9% |
| Age Summary · Pct 18 To 34 | 23.5% |
| Age Summary · Pct 35 To 64 | 39.0% |
| Median age | 34.8 years (vs Virginia 37.8y) |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 42,976 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).
| Census Demographics · Total Population | 42,976 people |
|---|---|
| White residents | 18,655 |
| Black residents | 5,153 |
| Asian residents | 2,397 |
| Census Demographics · Aian | 254 |
| Census Demographics · Nhpi | 8 |
| Census Demographics · Other Race | 5,829 |
| Census Demographics · Two Or More Races | 10,680 |
| Diversity Index | 71.4% |
| Asian population | 5.6% (at Virginia median) |
| Black population | 12.0% (vs Virginia 18.2%) |
| Hispanic or Latino population | 43.9% (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). 9.8% are foreign-born — below the U.S. average of 13.9%.
| Census Citizenship · Total | 42,976 |
|---|---|
| Census Citizenship · Native | 29,031 |
| Residents born in this state | 17,225 |
| Residents born in another state | 10,525 |
| Census Citizenship · Foreign Born | 4,201 |
| Census Citizenship · Naturalized | 1,344 |
| Census Citizenship · Non Citizen | 1,281 |
| Foreign-born residents | 9.8% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Households & Family Composition
14,203 households.
| Family households | 10,339 households (vs Virginia 9,367) |
|---|---|
| Total households | 14,203 households (at Virginia median) |
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 losing 1,692 residents per year on net (IRS migration data).
| Migration · People moving in (annual) | 43,552 |
|---|---|
| Migration · People moving out (annual) | 45,244 |
| Migration · Net migration (in − out) | -1,692 |
| 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 | 42,862 |
|---|---|
| With Disability | 4,015 |
| Pct With Disability | 9.4% |
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 | 69 |
|---|
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29
Other
| Census Mobility · Total | 42,355 |
|---|---|
| Census Mobility · Same House | 36,250 |
| Census Mobility · Same County | 1,614 |
| Census Mobility · Diff County Same State | 3,547 |
| Census Mobility · Diff State | 675 |
| Census Mobility · From Abroad | 269 |
| Census Mobility · Moved Total | 6,105 |
| Census Mobility · Pct Moved In Year | 14.4% |
| Pct White | 43.4% |
Sources: Census ACS 5-Year 2024 — county-level query · Refreshed 2026-04-29