Falmouth: Demographics & People

Falmouth's population stands at 5,216 people, in 2,012 households. Population grew 3.6% from 5,036 (2022) to 5,216 (2024). Median age 37.5 years. (1.2y older than Stafford County). Children under 18 are 23% of the population. Population is 45% White (non-Hispanic) and 28% Black. The community is highly diverse (Simpson index 0.63). 66% of households are family-led. County is gaining 3,695 residents per year (2022-2023). County health: 37% adult obesity, 12% smoke.

Population & Trend

Population grew 3.6% from 5,036 (2022) to 5,216 (2024) — about 6.0× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~5,403 (extrapolated at 1.8%/yr trend). Census Bureau Vintage estimate: 5,660.

Census data vintage2024
Population156,927 people
Annual growth rate · Population change3.6%
Annual growth rate · Population (2022)5,036
Annual growth rate · Population (2024)5,216
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population5,216 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate5,660

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

Age Distribution

Median age 37.5y is 1.4 years younger than the U.S. median (38.9y). Children under 18 make up 23% — above the U.S. share of ~22%.

Age Summary · Median age37.5 years (at Virginia median)
Age Summary · Children Pct23.4%
Age Summary · Characterfamily-oriented
Age Summary · Total Pop5,216
Age Summary · Under 181,218
Age Summary · 18 To 341,281.0×
Age Summary · 35 To 641,771.0×
Age Summary · 65 Plus946
Population under 181,218
Median age37.5 years (at Virginia median)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 5,216 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.63 (0 = single group, 1 = perfectly even distribution); this is read as highly diverse.

White residents2,529
Black residents1,387
Asian residents207
Hispanic or Latino residents853
Diversity Index · Diversity index (Simpson)63.3%
Diversity Index · Diversity labelhighly diverse
Diversity Index · Groups counted4
Diversity Index · Largest group share50.8%
Asian population3.0% (vs Virginia 5.6%)
Black population27.6% (vs Virginia 18.2%)
Hispanic or Latino population20.1% (vs Virginia 10.1%)
White (non-Hispanic) population44.6% (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)
Black
(unnamed)
German
(unnamed)
Hispanic Total
(unnamed)
English
(unnamed)
Irish
(unnamed)
American
(unnamed)
Italian
(unnamed)
Asian

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 9.0% are foreign-born — below the U.S. average of 13.9%. 14% have naturalized to U.S. citizenship.

Residents born in this state2,146
Residents born in another state1,856
Share born in this state41.1%
Share born in another state58.9%
Native-born U.S. citizens35.6%
Foreign-born residents9.0%
Naturalized citizens14.2%
Total foreign-born residents708
From Europe132
From Africa114

Households & Family Composition

2,012 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 66% are family households — near the U.S. share of ~65%. Of 1,320 families, 45% are married couples with children.

Children under 181,350
Total families1,320
Married couples with children590
Average household size2.53
Women who gave birth (past year)19.9%
Grandparents living with grandchildren94
Grandparents responsible for grandchildren30
Family households1,326 households (vs Virginia 9,367)
Households that are families65.9% (vs Virginia 65.0%)
Total households2,012 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. 15.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 3,695 residents per year on net (IRS migration data).

Moved within the county (past year)15.1%
Migration · People moving in (annual)174,464
Migration · People moving out (annual)170,769
Migration · Net migration (in − out)3,695
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 disability134
Disability rate2.9%

Other

Congressional District · District1
Congressional District · Congress118th
Cdc Birth Rate · Fips51179
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips179
Cdc Birth Rate · CountyStafford
Cdc Birth Rate · Birth Rate9.5%
Cdc Birth Rate · Lower Ci8.30
Cdc Birth Rate · Upper Ci10.80
Cdc Mortality · Fips51179
Cdc Mortality · CountyStafford County
Cdc Mortality · Urban RuralLarge fringe metro
Cdc Mortality · Total Deaths 2020 20232,230
Cdc Vaccination · Fips51179
Cdc Vaccination · CountyStafford County
Cdc Vaccination · Dose1 Pop Pct77.6%
Cdc Vaccination · Series Complete Pct61.4%
Cdc Vaccination · Booster Pct36.5%
Cdc Vaccination · Population 2019152,882
Cdc Vaccination · Metro StatusMetro
Family Score · Score3.10
Family Score · Schools3
Family Score · Childcare Centers2
Family Score · Children Pct23.4%
Family Score · Ratingfair
Town Summary · Key Factspopulation 5,216, growing, family-oriented, affluent, white collar
Town Summary · Population5,216 people (vs Virginia 42,214)
Town Summary · CountyStafford County

Sources: NCES school congressional district assignment · federal dataset cascade