Warrenton: Demographics & People

Warrenton is home to 10,176 people, in 3,985 households. Population grew 0.2% from 10,151 (2022) to 10,176 (2024). Median age 40.2 years. (1.0y younger than Fauquier County; 2.4y older than Virginia). Children under 18 are 21% of the population. Population is 71% White (non-Hispanic) and 10% Black. The community is somewhat diverse (Simpson index 0.36). 53% of households are family-led. County is gaining 1,558 residents per year (2022-2023). County health: 33% adult obesity, 13% smoke.

Population & Trend

Population grew 0.2% from 10,151 (2022) to 10,176 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~10,201 (extrapolated at 0.1%/yr trend). Census Bureau Vintage estimate: 10,235.

Census data vintage2024
Population72,972 people
Annual growth rate · Population change0.2%
Annual growth rate · Population (2022)10,151
Annual growth rate · Population (2024)10,176
Annual growth rate · Population growingYes
Annual growth rate · Trend categorystable
Population10,176 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate10,235

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 40.2y is 1.3 years older than the U.S. median (38.9y). Children under 18 make up 21% — near the U.S. share of ~22%.

Age Summary · Median age40.2 years (vs Virginia 37.8y)
Age Summary · Children Pct21.4%
Age Summary · Characterestablished
Age Summary · Total Pop10,176
Age Summary · Under 182,175
Age Summary · 18 To 342,237.0×
Age Summary · 35 To 643,913.0×
Age Summary · 65 Plus1,851
Population under 182,175
Median age40.2 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 10,176 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.36 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents7,465
Black residents909
Asian residents246
Hispanic or Latino residents839
Diversity Index · Diversity index (Simpson)35.9%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share78.9%
Asian population2.7% (vs Virginia 5.6%)
Black population9.9% (vs Virginia 18.2%)
Hispanic or Latino population9.7% (vs Virginia 10.1%)
White (non-Hispanic) population70.8% (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)

(unnamed)
English
(unnamed)
German
(unnamed)
Irish
(unnamed)
Black
(unnamed)
Hispanic Total
(unnamed)
Italian
(unnamed)
American
(unnamed)
Polish

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 2.3% are foreign-born — below the U.S. average of 13.9%. 8% have naturalized to U.S. citizenship.

Residents born in this state5,382
Residents born in another state3,722
Share born in this state52.9%
Share born in another state47.1%
Native-born U.S. citizens36.6%
Foreign-born residents2.3%
Naturalized citizens8.2%
Total foreign-born residents697
From Europe82
From Africa222

Households & Family Composition

3,985 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 53% are family households — below the U.S. share of ~65%. Of 2,039 families, 38% are married couples with children.

Children under 182,148
Total families2,039
Married couples with children780
Single-parent households24
Average household size2.47
Women who gave birth (past year)15.5%
Grandparents living with grandchildren91
Grandparents responsible for grandchildren55
Family households2,113 households (vs Virginia 9,367)
Households that are families53.0% (vs Virginia 65.0%)
Total households3,985 households (vs Virginia 14,324) total_households: 2 observations from 2026-04-23 to 2026-04-23

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 9.3% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 1,558 residents per year on net (IRS migration data).

Moved within the county (past year)9.3%
Migration · People moving in (annual)76,072
Migration · People moving out (annual)74,514
Migration · Net migration (in − out)1,558
Migration · Population growingYes
Migration · Year2022-2023

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 disability445
Disability rate4.5%

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. 268 residents live in group quarters (2.6% of population).

Living in group quarters268

Other

Congressional District · District5
Congressional District · Congress118th
Cdc Birth Rate · Fips51061
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips061
Cdc Birth Rate · CountyFauquier
Cdc Birth Rate · Birth Rate7.8%
Cdc Birth Rate · Lower Ci6.30
Cdc Birth Rate · Upper Ci9.60
Cdc Mortality · Fips51061
Cdc Mortality · CountyFauquier County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20231,886
Cdc Vaccination · Fips51061
Cdc Vaccination · CountyFauquier County
Cdc Vaccination · Dose1 Pop Pct81.4%
Cdc Vaccination · Series Complete Pct66.9%
Cdc Vaccination · Booster Pct37.8%
Cdc Vaccination · Population 201971,222
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools8
Family Score · Childcare Centers15
Family Score · Youth Sports Orgs1
Family Score · Children Pct21.4%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 10,176, stable, established, upper-middle, white collar
Town Summary · Population10,176 people (vs Virginia 42,214)
Town Summary · CountyFauquier County

Sources: NCES school congressional district assignment · federal dataset cascade