Reston: Demographics & People

Census counts 64,414 people in Reston, in 28,701 households. Population grew 1.4% from 63,542 (2022) to 64,414 (2024). Median age 40.1 years. (1.5y older than Fairfax County; 2.3y older than Virginia). Children under 18 are 19% of the population. Population is 58% White (non-Hispanic) and 16% Hispanic or Latino. The community is moderately diverse (Simpson index 0.55). 55% 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 grew 1.4% from 63,542 (2022) to 64,414 (2024) — about 2.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~65,299 (extrapolated at 0.7%/yr trend). Census Bureau Vintage estimate: 66,490.

Census data vintage2024
Population1,150,309 people
Annual growth rate · Population change1.4%
Annual growth rate · Population (2022)63,542
Annual growth rate · Population (2024)64,414
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population64,414 people (vs Virginia 42,214) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate66,490

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

Age Distribution

Median age 40.1y is 1.2 years older than the U.S. median (38.9y). Children under 18 make up 19% — below the U.S. share of ~22%.

Age Summary · Median age40.1 years (vs Virginia 37.8y)
Age Summary · Children Pct18.6%
Age Summary · Characterestablished
Age Summary · Total Pop64,414
Age Summary · Under 1811,955
Age Summary · 18 To 3415,990.0×
Age Summary · 35 To 6426,028.0×
Age Summary · 65 Plus10,441
Population under 1811,955
Median age40.1 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 64,414 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.55 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

White residents39,766
Black residents5,552
Asian residents7,198
Hispanic or Latino residents9,900
Diversity Index · Diversity index (Simpson)54.8%
Diversity Index · Diversity labelmoderately diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share63.7%
Asian population10.9% (vs Virginia 5.6%)
Black population7.9% (vs Virginia 18.2%)
Hispanic or Latino population16.4% (vs Virginia 10.1%)
White (non-Hispanic) population57.6% (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)
English
(unnamed)
German
(unnamed)
Asian
(unnamed)
Irish
(unnamed)
Black
(unnamed)
Italian
(unnamed)
American

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 3.2% are foreign-born — below the U.S. average of 13.9%. 25% have naturalized to U.S. citizenship.

Residents born in this state18,337
Residents born in another state28,172
Share born in this state28.5%
Share born in another state71.5%
Native-born U.S. citizens43.7%
Foreign-born residents3.2%
Naturalized citizens24.6%
Total foreign-born residents15,059
From Europe2,201
From Asia8
From Africa6,603
From Latin America750
Census Foreign Born · Caribbean49

Households & Family Composition

28,701 households. Averaging 2.2 people each — smaller than the U.S. average of 2.5. 55% are family households — below the U.S. share of ~65%. Of 15,918 families, 28% are married couples with children.

Children under 1811,623
Total families15,918
Married couples with children4,503
Single-parent households449
Average household size2.22
Women who gave birth (past year)14.0%
Grandparents living with grandchildren595
Grandparents responsible for grandchildren305
Family households15,777 households (vs Virginia 9,367)
Households that are families55.0% (vs Virginia 65.0%)
Total households28,701 households (vs Virginia 14,324) total_households: 4 observations from 2026-04-23 to 2026-04-29

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

Residential Stability & Migration

How long residents have lived here and where they came from. 19.6% 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)19.6%
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 disability2,465
Disability rate4.0%

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. 145 residents live in group quarters (0.2% of population).

Living in group quarters145

Other

Congressional District · District11
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 · Schools10
Family Score · Childcare Centers34
Family Score · Youth Sports Orgs1
Family Score · Children Pct18.6%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 64,414, growing, established, affluent, white collar
Town Summary · Population64,414 people (vs Virginia 42,214)
Town Summary · CountyFairfax County

Sources: NCES school congressional district assignment · federal dataset cascade