Sudley: Demographics & People

19,162 people call Sudley home, in 5,512 households. Population grew 4.0% from 18,420 (2022) to 19,162 (2024). Median age 35.1 years. (1.2y younger than Prince William County; 2.7y younger than Virginia). Children under 18 are 28% of the population. Population is 60% Hispanic or Latino and 20% White (non-Hispanic). The community is highly diverse (Simpson index 0.62). 71% of households are family-led. County is losing 8,300 residents per year (2022-2023). County health: 33% adult obesity, 12% smoke.

Population & Trend

Population grew 4.0% from 18,420 (2022) to 19,162 (2024) — about 6.7× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~19,942 (extrapolated at 2.0%/yr trend). Census Bureau Vintage estimate: 21,012.

Census data vintage2024
Population482,204 people
Annual growth rate · Population change4.0%
Annual growth rate · Population (2022)18,420
Annual growth rate · Population (2024)19,162
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population19,162 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate21,012

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

Age Distribution

Median age 35.1y is 3.8 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 age35.1 years (vs Virginia 37.8y)
Age Summary · Children Pct28.0%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop19,162
Age Summary · Under 185,357
Age Summary · 18 To 344,153.0×
Age Summary · 35 To 647,444.0×
Age Summary · 65 Plus2,208
Population under 185,357
Median age35.1 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 19,162 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 residents9,870
Black residents1,448
Asian residents1,973
Hispanic or Latino residents10,425
Diversity Index · Diversity index (Simpson)62.3%
Diversity Index · Diversity labelhighly diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share44.0%
Asian population8.4% (vs Virginia 5.6%)
Black population7.6% (vs Virginia 18.2%)
Hispanic or Latino population60.3% (vs Virginia 10.1%)
White (non-Hispanic) population19.6% (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)
Hispanic Total
(unnamed)
Asian
(unnamed)
Puerto Rican
(unnamed)
Black
(unnamed)
German
(unnamed)
Irish
(unnamed)
English
(unnamed)
American

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 3.0% are foreign-born — below the U.S. average of 13.9%. 48% have naturalized to U.S. citizenship.

Residents born in this state5,645
Residents born in another state3,841
Share born in this state29.5%
Share born in another state70.5%
Native-born U.S. citizens20.0%
Foreign-born residents3.0%
Naturalized citizens47.5%
Total foreign-born residents9,382
From Europe589
From Asia153
From Africa2,162
From Latin America152
Census Foreign Born · South America20

Households & Family Composition

5,512 households. Averaging 3.4 people each — larger than the U.S. average of 2.5. 71% are family households — above the U.S. share of ~65%. Of 3,781 families, 34% are married couples with children.

Children under 184,946
Total families3,781
Married couples with children1,296
Single-parent households272
Average household size3.37
Women who gave birth (past year)6.8%
Grandparents living with grandchildren402
Grandparents responsible for grandchildren188
Family households3,915 households (vs Virginia 9,367)
Households that are families71.0% (vs Virginia 65.0%)
Total households5,512 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. 13.3% 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)13.3%
Migration · People moving in (annual)493,472
Migration · People moving out (annual)501,772
Migration · Net migration (in − out)-8,300
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 disability518
Disability rate2.7%

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. 87 residents live in group quarters (0.5% of population).

Living in group quarters87

Other

Congressional District · District10
Congressional District · FormattedVA-10
Congressional District · Congress118th
Cdc Birth Rate · Fips51153
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips153
Cdc Birth Rate · CountyPrince William
Cdc Birth Rate · Birth Rate12.8%
Cdc Birth Rate · Lower Ci11.90
Cdc Birth Rate · Upper Ci13.70
Cdc Mortality · Fips51153
Cdc Mortality · CountyPrince William County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20236,770
Cdc Vaccination · Fips51153
Cdc Vaccination · CountyPrince William County
Cdc Vaccination · Dose1 Pop Pct91.8%
Cdc Vaccination · Series Complete Pct76.3%
Cdc Vaccination · Booster Pct46.6%
Cdc Vaccination · Population 2019470,335
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct28.0%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 19,162, growing, family-oriented, upper-middle, mixed
Town Summary · Population19,162 people (vs Virginia 42,214)
Town Summary · CountyPrince William County

Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade