Franklin Farm: Demographics & People

18,736 people call Franklin Farm home, in 6,181 households. Population grew 1.2% from 18,509 (2022) to 18,736 (2024). Median age 43.3 years. (4.7y older than Fairfax County; 5.5y older than Virginia). Children under 18 are 24% of the population. Population is 60% White (non-Hispanic) and 23% Asian. The community is moderately diverse (Simpson index 0.51). 88% 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 1.2% from 18,509 (2022) to 18,736 (2024) — about 2.1× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~18,967 (extrapolated at 0.6%/yr trend). Census Bureau Vintage estimate: 19,278.

Census data vintage2024
Population1,150,309 people
Annual growth rate · Population change1.2%
Annual growth rate · Population (2022)18,509
Annual growth rate · Population (2024)18,736
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population18,736 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate19,278

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

Age Distribution

Median age 43.3y is 4.4 years older than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.

Age Summary · Median age43.3 years (vs Virginia 37.8y)
Age Summary · Children Pct23.7%
Age Summary · Characterestablished
Age Summary · Total Pop18,736
Age Summary · Under 184,441
Age Summary · 18 To 342,830.0×
Age Summary · 35 To 648,490.0×
Age Summary · 65 Plus2,975
Population under 184,441
Median age43.3 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 18,736 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.51 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.

White residents11,667
Black residents630
Asian residents4,250
Hispanic or Latino residents1,373
Diversity Index · Diversity index (Simpson)51.3%
Diversity Index · Diversity labelmoderately diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share65.1%
Asian population22.6% (vs Virginia 5.6%)
Black population3.1% (vs Virginia 18.2%)
Hispanic or Latino population7.9% (vs Virginia 10.1%)
White (non-Hispanic) population59.9% (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)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 1.6% are foreign-born — below the U.S. average of 13.9%. 22% have naturalized to U.S. citizenship.

Residents born in this state6,317
Residents born in another state8,026
Share born in this state33.7%
Share born in another state66.3%
Native-born U.S. citizens42.8%
Foreign-born residents1.6%
Naturalized citizens21.9%
Total foreign-born residents3,871
From Europe374
From Asia12
From Africa2,984
From Latin America81
Census Foreign Born · Central America7

Households & Family Composition

6,181 households. Averaging 3.0 people each — larger than the U.S. average of 2.5. 88% are family households — above the U.S. share of ~65%. Of 5,427 families, 41% are married couples with children.

Children under 184,570
Total families5,427
Married couples with children2,208
Single-parent households78
Average household size3.01
Women who gave birth (past year)5.1%
Grandparents living with grandchildren78
Grandparents responsible for grandchildren24
Family households5,429 households (vs Virginia 9,367)
Households that are families87.8% (vs Virginia 65.0%)
Total households6,181 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. 6.3% 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)6.3%
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 disability710
Disability rate3.8%

Other

Congressional District · District11
Congressional District · FormattedVA-11
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 Pct23.7%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 18,736, growing, established, affluent, white collar
Town Summary · Population18,736 people (vs Virginia 42,214)
Town Summary · CountyFairfax County

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