Quantico Base: Demographics & People
Quantico Base's population stands at 5,840 people, in 1,159 households. Population grew 6.4% from 5,491 (2022) to 5,840 (2024). Median age 22.3 years. (14.0y younger than Prince William County; 15.5y younger than Virginia). Children under 18 are 28% of the population. Population is 60% White (non-Hispanic) and 21% Hispanic or Latino. The community is moderately diverse (Simpson index 0.51). 93% of households are family-led. County is losing 8,300 residents per year (2022-2023). County health: 33% adult obesity, 12% smoke.
- 5.0 people per household (vs Virginia avg 2.6).
- 7% non-family households (singles, roommates) (vs Virginia 35%).
Population & Trend
Population grew 6.4% from 5,491 (2022) to 5,840 (2024) — about 10.6× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~6,217 (extrapolated at 3.2%/yr trend). Census Bureau Vintage estimate: 6,743.
| Census data vintage | 2024 |
|---|---|
| Population | 482,204 people |
| Annual growth rate · Population change | 6.4% |
| Annual growth rate · Population (2022) | 5,491 |
| Annual growth rate · Population (2024) | 5,840 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 5,840 people (vs Virginia 42,214) |
| Population Estimate | 6,743 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 22.3y is 16.6 years younger than the U.S. median (38.9y). Children under 18 make up 28% — above the U.S. share of ~22%.
| Age Summary · Median age | 22.3 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 28.5% |
| Age Summary · Character | young community |
| Age Summary · Total Pop | 5,840 |
| Age Summary · Under 18 | 1,665 |
| Age Summary · 18 To 34 | 3,492.0× |
| Age Summary · 35 To 64 | 683.0× |
| Age Summary · Pct Under 18 | 28.5% |
| Population under 18 | 1,665 |
| Median age | 22.3 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 5,840 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.51 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| White residents | 3,649 |
|---|---|
| Black residents | 431 |
| Asian residents | 385 |
| Hispanic or Latino residents | 1,038 |
| Diversity Index · Diversity index (Simpson) | 51.4% |
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 66.3% |
| Asian population | 6.1% (vs Virginia 5.6%) |
| Black population | 6.7% (vs Virginia 18.2%) |
| Hispanic or Latino population | 21.4% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 59.5% (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). 2.4% are foreign-born — below the U.S. average of 13.9%. 7% have naturalized to U.S. citizenship.
| Residents born in this state | 841 |
|---|---|
| Residents born in another state | 4,438 |
| Share born in this state | 14.4% |
| Share born in another state | 85.6% |
| Native-born U.S. citizens | 76.0% |
| Foreign-born residents | 2.4% |
| Naturalized citizens | 7.2% |
| Total foreign-born residents | 339 |
| From Europe | 39 |
| From Africa | 234 |
Households & Family Composition
1,159 households. Averaging 3.1 people each — larger than the U.S. average of 2.5. 93% are family households — above the U.S. share of ~65%. Of 1,001 families, 58% are married couples with children.
| Children under 18 | 1,402 |
|---|---|
| Total families | 1,001 |
| Married couples with children | 581 |
| Average household size | 3.11 |
| Women who gave birth (past year) | 4.4% |
| Grandparents living with grandchildren | 70 |
| Grandparents responsible for grandchildren | 35 |
| Family households | 1,074 households (vs Virginia 9,367) |
| Households that are families | 92.7% (vs Virginia 65.0%) |
| Total households | 1,159 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. 37.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 8,300 residents per year on net (IRS migration data).
| Moved within the county (past year) | 37.8% |
|---|---|
| Migration · People moving in (annual) | 493,472 |
| Migration · People moving out (annual) | 501,772 |
| Migration · Net migration (in − out) | -8,300 |
| 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 | 22 |
|---|---|
| Disability rate | 0.8% |
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. 1,909 residents live in group quarters (32.7% of population).
| Living in group quarters | 1,909 |
|---|
Other
| Congressional District · District | 7 |
|---|---|
| Congressional District · Formatted | VA-07 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51153 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 153 |
| Cdc Birth Rate · County | Prince William |
| Cdc Birth Rate · Birth Rate | 12.8% |
| Cdc Birth Rate · Lower Ci | 11.90 |
| Cdc Birth Rate · Upper Ci | 13.70 |
| Cdc Mortality · Fips | 51153 |
| Cdc Mortality · County | Prince William County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 6,770 |
| Cdc Vaccination · Fips | 51153 |
| Cdc Vaccination · County | Prince William County |
| Cdc Vaccination · Dose1 Pop Pct | 91.8% |
| Cdc Vaccination · Series Complete Pct | 76.3% |
| Cdc Vaccination · Booster Pct | 46.6% |
| Cdc Vaccination · Population 2019 | 470,335 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 28.5% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 5,840, booming, young community, middle-class, white collar |
| Town Summary · Population | 5,840 people (vs Virginia 42,214) |
| Town Summary · County | Prince William County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade