Manassas Park: Demographics & People
Census counts 16,798 people in Manassas Park, in 5,193 households. Population shrank 0.7% from 16,923 (2022) to 16,798 (2024). Median age 36.5 years. (1.3y younger than Virginia). Children under 18 are 23% of the population. Population is 47% Hispanic or Latino and 26% White (non-Hispanic). The community is highly diverse (Simpson index 0.66). 71% of households are family-led. County is losing 1,024 residents per year (2022-2023). County health: 37% adult obesity, 15% smoke.
- 3.2 people per household (vs Virginia avg 2.6).
- 29% non-family households (singles, roommates) (vs Virginia 35%).
- 50 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population shrank 0.7% from 16,923 (2022) to 16,798 (2024). Estimated 2026 population: ~16,673 (extrapolated at -0.4%/yr trend). Census Bureau Vintage estimate: 16,509.
| Census data vintage | 2024 |
|---|---|
| Population | 17,219 people |
| Annual growth rate · Population change | -0.7% |
| Annual growth rate · Population (2022) | 16,923 |
| Annual growth rate · Population (2024) | 16,798 |
| Annual growth rate · Trend category | stable |
| Population | 16,798 people (vs Virginia 42,214) |
| Population Estimate | 16,509 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 36.5y is 2.4 years younger than the U.S. median (38.9y). Children under 18 make up 23% — above the U.S. share of ~22%.
| Age Summary · Median age | 36.5 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 23.1% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 16,798 |
| Age Summary · Under 18 | 3,880 |
| Age Summary · 18 To 34 | 4,092.0× |
| Age Summary · 35 To 64 | 7,082.0× |
| Age Summary · 65 Plus | 1,744 |
| Population under 18 | 3,880 |
| Median age | 36.5 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 16,798 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.66 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.
| White residents | 6,819 |
|---|---|
| Black residents | 1,923 |
| Asian residents | 1,786 |
| Hispanic or Latino residents | 7,771 |
| Diversity Index · Diversity index (Simpson) | 66.0% |
| Diversity Index · Diversity label | highly diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 42.5% |
| Asian population | 10.2% (vs Virginia 5.6%) |
| Black population | 13.6% (vs Virginia 18.2%) |
| Hispanic or Latino population | 46.8% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 26.4% (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). 3.9% are foreign-born — below the U.S. average of 13.9%. 37% have naturalized to U.S. citizenship.
| Residents born in this state | 6,401 |
|---|---|
| Residents born in another state | 3,569 |
| Share born in this state | 38.1% |
| Share born in another state | 61.9% |
| Native-born U.S. citizens | 21.2% |
| Foreign-born residents | 3.9% |
| Naturalized citizens | 36.8% |
| Total foreign-born residents | 6,258 |
| From Europe | 149 |
| From Africa | 1,791 |
| From Latin America | 141 |
Households & Family Composition
5,193 households. Averaging 3.3 people each — larger than the U.S. average of 2.5. 71% are family households — above the U.S. share of ~65%. Of 3,639 families, 37% are married couples with children.
| Children under 18 | 4,099 |
|---|---|
| Total families | 3,639 |
| Married couples with children | 1,337 |
| Single-parent households | 127 |
| Average household size | 3.28 |
| Women who gave birth (past year) | 11.0% |
| Grandparents living with grandchildren | 318 |
| Grandparents responsible for grandchildren | 99 |
| Family households | 3,673 households (vs Virginia 9,367) |
| Households that are families | 70.7% (vs Virginia 65.0%) |
| Total households | 5,193 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. 11.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,024 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.7% |
|---|---|
| Migration · People moving in (annual) | 18,299 |
| Migration · People moving out (annual) | 19,323 |
| Migration · Net migration (in − out) | -1,024 |
| 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 | 903 |
|---|---|
| Disability rate | 5.3% |
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. 6 residents live in group quarters (0.0% of population).
| Living in group quarters | 6 |
|---|
Other
| Congressional District · District | 10 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51685 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 685 |
| Cdc Birth Rate · County | Manassas Park City |
| Cdc Birth Rate · Birth Rate | 0.9% |
| Cdc Birth Rate · Lower Ci | 40.0% |
| Cdc Birth Rate · Upper Ci | 1.80 |
| Cdc Mortality · Fips | 51685 |
| Cdc Mortality · County | Manassas Park city |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 57 |
| Cdc Vaccination · Fips | 51685 |
| Cdc Vaccination · County | Manassas Park city |
| Cdc Vaccination · Dose1 Pop Pct | 53.9% |
| Cdc Vaccination · Series Complete Pct | 44.2% |
| Cdc Vaccination · Booster Pct | 2.9% |
| Cdc Vaccination · Population 2019 | 17,478 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 3.60 |
| Family Score · Schools | 4 |
| Family Score · Childcare Centers | 2 |
| Family Score · Children Pct | 23.1% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 16,798, stable, family-oriented, affluent, mixed |
| Town Summary · Population | 16,798 people (vs Virginia 42,214) |
| Town Summary · County | Manassas Park city |
Sources: NCES school congressional district assignment · federal dataset cascade