Brambleton: Demographics & People
Census counts 24,537 people in Brambleton, in 7,961 households. Population grew 2.2% from 23,999 (2022) to 24,537 (2024). Median age 39.0 years. (0.8y older than Loudoun County; 1.2y older than Virginia). Children under 18 are 33% of the population. Population is 43% White (non-Hispanic) and 39% Asian. The community is highly diverse (Simpson index 0.62). 84% of households are family-led. County is losing 1,912 residents per year (2022-2023). County health: 29% adult obesity, 9% smoke.
- 3.1 people per household (vs Virginia avg 2.6).
- 16% non-family households (singles, roommates) (vs Virginia 35%).
- 64 dependents per 100 working-age (youth + seniors / 18-64) (vs Virginia 62).
Population & Trend
Population grew 2.2% from 23,999 (2022) to 24,537 (2024) — about 3.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~25,089 (extrapolated at 1.1%/yr trend). Census Bureau Vintage estimate: 25,838.
| Census data vintage | 2024 |
|---|---|
| Population | 420,959 people |
| Annual growth rate · Population change | 2.2% |
| Annual growth rate · Population (2022) | 23,999 |
| Annual growth rate · Population (2024) | 24,537 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 24,537 people (vs Virginia 42,214) |
| Population Estimate | 25,838 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 39.0y is 0.1 years older than the U.S. median (38.9y). Children under 18 make up 33% — above the U.S. share of ~22%.
| Age Summary · Median age | 39.0 years (vs Virginia 37.8y) |
|---|---|
| Age Summary · Children Pct | 32.7% |
| Age Summary · Character | family-oriented |
| Age Summary · Total Pop | 24,537 |
| Age Summary · Under 18 | 8,021 |
| Age Summary · 18 To 34 | 3,019.0× |
| Age Summary · 35 To 64 | 11,940.0× |
| Age Summary · 65 Plus | 1,557 |
| Population under 18 | 8,021 |
| Median age | 39.0 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 24,537 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.62 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.
| White residents | 10,808 |
|---|---|
| Black residents | 2,214 |
| Asian residents | 9,199 |
| Hispanic or Latino residents | 1,308 |
| Diversity Index · Diversity index (Simpson) | 62.4% |
| Diversity Index · Diversity label | highly diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 45.9% |
| Asian population | 38.9% (vs Virginia 5.6%) |
| Black population | 9.4% (vs Virginia 18.2%) |
| Hispanic or Latino population | 4.8% (vs Virginia 10.1%) |
| White (non-Hispanic) population | 42.9% (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). 2.5% are foreign-born — below the U.S. average of 13.9%. 33% have naturalized to U.S. citizenship.
| Residents born in this state | 6,422 |
|---|---|
| Residents born in another state | 9,310 |
| Share born in this state | 26.2% |
| Share born in another state | 73.8% |
| Native-born U.S. citizens | 37.9% |
| Foreign-born residents | 2.5% |
| Naturalized citizens | 33.4% |
| Total foreign-born residents | 8,042 |
| From Europe | 259 |
| From Africa | 6,637 |
| From Latin America | 145 |
Households & Family Composition
7,961 households. Averaging 3.1 people each — larger than the U.S. average of 2.5. 84% are family households — above the U.S. share of ~65%. Of 6,609 families, 63% are married couples with children.
| Children under 18 | 7,853 |
|---|---|
| Total families | 6,609 |
| Married couples with children | 4,195 |
| Single-parent households | 191 |
| Average household size | 3.12 |
| Women who gave birth (past year) | 5.9% |
| Grandparents living with grandchildren | 42 |
| Family households | 6,719 households (vs Virginia 9,367) |
| Households that are families | 84.4% (vs Virginia 65.0%) |
| Total households | 7,961 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. 11.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 1,912 residents per year on net (IRS migration data).
| Moved within the county (past year) | 11.6% |
|---|---|
| Migration · People moving in (annual) | 459,164 |
| Migration · People moving out (annual) | 461,076 |
| Migration · Net migration (in − out) | -1,912 |
| 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 | 465 |
|---|---|
| Disability rate | 2.0% |
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. 10 residents live in group quarters (0.0% of population).
| Living in group quarters | 10 |
|---|
Other
| Congressional District · District | 10 |
|---|---|
| Congressional District · Formatted | VA-10 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 51107 |
| Cdc Birth Rate · State Fips | 51 |
| Cdc Birth Rate · County Fips | 107 |
| Cdc Birth Rate · County | Loudoun |
| Cdc Birth Rate · Birth Rate | 4.4% |
| Cdc Birth Rate · Lower Ci | 3.90 |
| Cdc Birth Rate · Upper Ci | 4.90 |
| Cdc Mortality · Fips | 51107 |
| Cdc Mortality · County | Loudoun County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 6,646 |
| Cdc Vaccination · Fips | 51107 |
| Cdc Vaccination · County | Loudoun County |
| Cdc Vaccination · Dose1 Pop Pct | 94.7% |
| Cdc Vaccination · Series Complete Pct | 76.8% |
| Cdc Vaccination · Booster Pct | 48.2% |
| Cdc Vaccination · Population 2019 | 413,538 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 32.7% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 24,537, growing, family-oriented, affluent, white collar |
| Town Summary · Population | 24,537 people (vs Virginia 42,214) |
| Town Summary · County | Loudoun County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade