Dumfries: Demographics & People
5,816 people call Dumfries home, in 1,759 households. Population grew 1.2% from 5,749 (2022) to 5,816 (2024). Median age 33.3 years. (3.0y younger than Prince William County; 4.5y younger than Virginia). Children under 18 are 25% of the population. Population is 37% Hispanic or Latino and 27% Black. The community is highly diverse (Simpson index 0.66). 78% of households are family-led. County is losing 8,300 residents per year (2022-2023). County health: 33% adult obesity, 12% smoke.
- 3.3 people per household (vs Virginia avg 2.6).
- 22% non-family households (singles, roommates) (vs Virginia 35%).
- 57 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population grew 1.2% from 5,749 (2022) to 5,816 (2024) — about 1.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~5,884 (extrapolated at 0.6%/yr trend). Census Bureau Vintage estimate: 5,976.
| Census data vintage | 2024 |
|---|---|
| Population | 482,204 people |
| Annual growth rate · Population change | 1.2% |
| Annual growth rate · Population (2022) | 5,749 |
| Annual growth rate · Population (2024) | 5,816 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 5,816 people (vs Virginia 42,214) |
| Population Estimate | 5,976 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 33.3y is 5.6 years younger than the U.S. median (38.9y). Children under 18 make up 25% — above the U.S. share of ~22%.
| Age Summary · Median age | 33.3 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 25.4% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 5,816 |
| Age Summary · Under 18 | 1,475 |
| Age Summary · 18 To 34 | 1,616.0× |
| Age Summary · 35 To 64 | 2,086.0× |
| Age Summary · 65 Plus | 639 |
| Population under 18 | 1,475 |
| Median age | 33.3 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 5,816 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 | 2,036 |
|---|---|
| Black residents | 1,334 |
| Asian residents | 51 |
| Hispanic or Latino residents | 2,320 |
| Diversity Index · Diversity index (Simpson) | 65.7% |
| Diversity Index · Diversity label | highly diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 40.4% |
| Asian population | 3.4% (vs Virginia 5.6%) |
| Black population | 26.7% (vs Virginia 18.2%) |
| Hispanic or Latino population | 36.9% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 20.5% (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). 0.8% are foreign-born — below the U.S. average of 13.9%. 32% have naturalized to U.S. citizenship.
| Residents born in this state | 2,674 |
|---|---|
| Residents born in another state | 1,254 |
| Share born in this state | 46.0% |
| Share born in another state | 54.0% |
| Native-born U.S. citizens | 21.6% |
| Foreign-born residents | 0.8% |
| Naturalized citizens | 31.6% |
| Total foreign-born residents | 1,359 |
Households & Family Composition
1,759 households. Averaging 3.3 people each — larger than the U.S. average of 2.5. 78% are family households — above the U.S. share of ~65%. Of 1,384 families, 20% are married couples with children.
| Children under 18 | 1,683 |
|---|---|
| Total families | 1,384 |
| Married couples with children | 282 |
| Single-parent households | 73 |
| Average household size | 3.30 |
| Women who gave birth (past year) | 15.3% |
| Grandparents living with grandchildren | 258 |
| Grandparents responsible for grandchildren | 39 |
| Family households | 1,370 households (vs Virginia 9,367) |
| Households that are families | 77.9% (vs Virginia 65.0%) |
| Total households | 1,759 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. 18.2% 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) | 18.2% |
|---|---|
| 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 | 133 |
|---|---|
| Disability rate | 2.3% |
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. 25 residents live in group quarters (0.4% of population).
| Living in group quarters | 25 |
|---|
Other
| Congressional District · District | 1 |
|---|---|
| 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 | 9.50 |
| Family Score · Schools | 10 |
| Family Score · Childcare Centers | 10 |
| Family Score · Youth Sports Orgs | 1 |
| Family Score · Children Pct | 25.4% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 5,816, growing, young professional, upper-middle, mixed |
| Town Summary · Population | 5,816 people (vs Virginia 42,214) |
| Town Summary · County | Prince William County |
Sources: NCES school congressional district assignment · federal dataset cascade