Fairfield: Demographics & People

About 566 people live in Fairfield, in 223 households. Population grew 18.7% from 477 (2022) to 566 (2024). Median age 42.5 years. (7.3y younger than Rockbridge County; 4.7y older than Virginia). Children under 18 are 14% of the population. Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 76% of households are family-led. County is gaining 596 residents per year (2022-2023). County health: 32% adult obesity, 19% smoke.

Population & Trend

Population grew 18.7% from 477 (2022) to 566 (2024) — about 31.1× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~676 (extrapolated at 9.3%/yr trend). Census Bureau Vintage estimate: 843.

Census data vintage2024
Population22,650 people
Annual growth rate · Population change18.7%
Annual growth rate · Population (2022)477
Annual growth rate · Population (2024)566
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population566 people (vs Virginia 42,214) population: 6 observations from 2026-04-17 to 2026-04-29
Population Estimate843

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

Age Distribution

Median age 42.5y is 3.6 years older than the U.S. median (38.9y). Children under 18 make up 14% — below the U.S. share of ~22%.

Age Summary · Median age42.5 years (vs Virginia 37.8y)
Age Summary · Children Pct14.1%
Age Summary · Characterestablished
Age Summary · Total Pop566
Age Summary · Under 1880
Age Summary · 18 To 3460.0×
Age Summary · 35 To 64346.0×
Age Summary · 65 Plus80
Population under 1880
Median age42.5 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 566 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.

White residents477
Diversity Index · Diversity labelrelatively homogeneous
Diversity Index · Groups counted1
Diversity Index · Largest group share100.0%
White (non-Hispanic) population100.0% (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 (3)

(unnamed)
American
(unnamed)
Hispanic Total
(unnamed)
English

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS).

Residents born in this state504
Residents born in another state54
Share born in this state89.0%
Share born in another state11.0%
Native-born U.S. citizens9.5%
Naturalized citizens1.4%
Total foreign-born residents42
From Africa10

Households & Family Composition

223 households. Averaging 2.4 people each — smaller than the U.S. average of 2.5. 76% are family households — above the U.S. share of ~65%. Of 125 families, 10% are married couples with children.

Children under 1849
Total families125
Married couples with children12
Average household size2.40
Women who gave birth (past year)12.4%
Grandparents living with grandchildren208
Grandparents responsible for grandchildren39
Family households170 households (vs Virginia 9,367)
Households that are families76.2% (vs Virginia 65.0%)
Total households223 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. 26.1% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 596 residents per year on net (IRS migration data).

Moved within the county (past year)26.1%
Migration · People moving in (annual)20,690
Migration · People moving out (annual)20,094
Migration · Net migration (in − out)596
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 disability80
Disability rate23.7%

Other

Congressional District · District6
Congressional District · Congress118th
Cdc Birth Rate · Fips51163
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips163
Cdc Birth Rate · CountyRockbridge
Cdc Birth Rate · Birth Rate8.3%
Cdc Birth Rate · Lower Ci5.80
Cdc Birth Rate · Upper Ci11.40
Cdc Mortality · Fips51163
Cdc Mortality · CountyRockbridge County
Cdc Mortality · Urban RuralNoncore
Cdc Mortality · Total Deaths 2020 2023600
Cdc Vaccination · Fips51163
Cdc Vaccination · CountyRockbridge County
Cdc Vaccination · Dose1 Pop Pct51.3%
Cdc Vaccination · Series Complete Pct46.7%
Cdc Vaccination · Booster Pct22.7%
Cdc Vaccination · Population 201922,573
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score1.50
Family Score · Schools1
Family Score · Children Pct14.1%
Family Score · Ratinglimited
Town Summary · Key Factspopulation 566, booming, established, affluent, white collar
Town Summary · Population566 people (vs Virginia 42,214)
Town Summary · CountyRockbridge County

Sources: NCES school congressional district assignment · federal dataset cascade