Woodlawn CDP (Fairfax County): Demographics & People

About 21,194 people live in Woodlawn CDP (Fairfax County), in 7,602 households. Population shrank 2.9% from 21,828 (2022) to 21,194 (2024). Median age 37.1 years. (1.5y younger than Fairfax County; 0.7y younger than Virginia). Children under 18 are 24% of the population. Population is 46% Hispanic or Latino and 29% Black. The community is highly diverse (Simpson index 0.68). 64% of households are family-led. County is losing 28,691 residents per year (2022-2023). County health: 27% adult obesity, 8% smoke.

Population & Trend

Population shrank 2.9% from 21,828 (2022) to 21,194 (2024). Estimated 2026 population: ~20,583 (extrapolated at -1.4%/yr trend). Census Bureau Vintage estimate: 19,788.

Census data vintage2024
Population1,150,309 people
Annual growth rate · Population change-2.9%
Annual growth rate · Population (2022)21,828
Annual growth rate · Population (2024)21,194
Annual growth rate · Trend categorydeclining
Population21,194 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate19,788

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

Age Distribution

Median age 37.1y is 1.8 years younger than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.

Age Summary · Median age37.1 years (vs Virginia 37.8y)
Age Summary · Children Pct23.8%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop21,194
Age Summary · Under 185,038
Age Summary · 18 To 344,902.0×
Age Summary · 35 To 648,210.0×
Age Summary · 65 Plus3,044
Population under 185,038
Median age37.1 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 21,194 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.68 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.

White residents5,487
Black residents6,904
Asian residents1,392
Hispanic or Latino residents10,044
Diversity Index · Diversity index (Simpson)68.2%
Diversity Index · Diversity labelhighly diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share42.2%
Asian population7.9% (vs Virginia 5.6%)
Black population28.6% (vs Virginia 18.2%)
Hispanic or Latino population46.0% (vs Virginia 10.1%)
White (non-Hispanic) population14.5% (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)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 4.2% are foreign-born — below the U.S. average of 13.9%. 42% have naturalized to U.S. citizenship.

Residents born in this state6,567
Residents born in another state4,740
Share born in this state31.0%
Share born in another state69.0%
Native-born U.S. citizens22.4%
Foreign-born residents4.2%
Naturalized citizens42.5%
Total foreign-born residents9,304
From Europe179
From Asia12
From Africa1,480
From Latin America224
Census Foreign Born · Caribbean62

Households & Family Composition

7,602 households. Averaging 2.8 people each — larger than the U.S. average of 2.5. 64% are family households — near the U.S. share of ~65%. Of 5,106 families, 27% are married couples with children.

Children under 185,496
Total families5,106
Married couples with children1,385
Single-parent households133
Average household size2.81
Women who gave birth (past year)14.6%
Grandparents living with grandchildren733
Grandparents responsible for grandchildren178
Family households4,878 households (vs Virginia 9,367)
Households that are families64.2% (vs Virginia 65.0%)
Total households7,602 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. 11.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 28,691 residents per year on net (IRS migration data).

Moved within the county (past year)11.6%
Migration · People moving in (annual)1,133,831
Migration · People moving out (annual)1,162,522
Migration · Net migration (in − out)-28,691
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 disability868
Disability rate3.8%

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. 10 residents live in group quarters (0.0% of population).

Living in group quarters10

Other

Congressional District · District8
Congressional District · FormattedVA-08
Congressional District · Congress118th
Cdc Birth Rate · Fips51059
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips059
Cdc Birth Rate · CountyFairfax
Cdc Birth Rate · Birth Rate8.2%
Cdc Birth Rate · Lower Ci7.70
Cdc Birth Rate · Upper Ci8.70
Cdc Mortality · Fips51059
Cdc Mortality · CountyFairfax County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 202321,551
Cdc Vaccination · Fips51059
Cdc Vaccination · CountyFairfax County
Cdc Vaccination · Dose1 Pop Pct95.0%
Cdc Vaccination · Series Complete Pct81.6%
Cdc Vaccination · Booster Pct49.2%
Cdc Vaccination · Population 20191,147,532
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct23.8%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 21,194, declining, family-oriented, upper-middle, mixed
Town Summary · Population21,194 people (vs Virginia 42,214)
Town Summary · CountyFairfax County

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