Mount Hermon: Demographics & People

Mount Hermon is home to 4,155 people, in 1,769 households. Population shrank 4.0% from 4,326 (2022) to 4,155 (2024). Median age 52.1 years. (4.0y older than Pittsylvania County; 14.3y older than Virginia). Children under 18 are 10% of the population. Population is 82% White (non-Hispanic) and 14% Black. The community is somewhat diverse (Simpson index 0.31). 70% of households are family-led. County is gaining 392 residents per year (2022-2023). County health: 44% adult obesity, 22% smoke.

Population & Trend

Population shrank 4.0% from 4,326 (2022) to 4,155 (2024). Estimated 2026 population: ~3,992 (extrapolated at -2.0%/yr trend). Census Bureau Vintage estimate: 3,782.

Census data vintage2024
Population60,501 people
Annual growth rate · Population change-4.0%
Annual growth rate · Population (2022)4,326
Annual growth rate · Population (2024)4,155
Annual growth rate · Trend categorydeclining
Population4,155 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate3,782

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

Age Distribution

Median age 52.1y is 13.2 years older than the U.S. median (38.9y). Children under 18 make up 10% — below the U.S. share of ~22%.

Age Summary · Median age52.1 years (vs Virginia 37.8y)
Age Summary · Children Pct9.9%
Age Summary · Characterretirement community
Age Summary · Total Pop4,155
Age Summary · Under 18411
Age Summary · 18 To 34780.0×
Age Summary · 35 To 641,837.0×
Age Summary · 65 Plus1,127
Population under 18411
Median age52.1 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 4,155 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.31 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents3,513
Black residents747
Hispanic or Latino residents61
Diversity Index · Diversity index (Simpson)30.9%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted3
Diversity Index · Largest group share81.3%
Asian population1.5% (vs Virginia 5.6%)
Black population14.0% (vs Virginia 18.2%)
Hispanic or Latino population1.4% (vs Virginia 10.1%)
White (non-Hispanic) population82.2% (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)
American
(unnamed)
English
(unnamed)
Black
(unnamed)
German
(unnamed)
Irish
(unnamed)
Asian
(unnamed)
Italian
(unnamed)
Hispanic Total

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 0.6% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.

Residents born in this state3,117
Residents born in another state951
Share born in this state75.0%
Share born in another state25.0%
Native-born U.S. citizens22.9%
Foreign-born residents0.6%
Naturalized citizens1.5%
Total foreign-born residents76
From Africa76

Households & Family Composition

1,769 households. Averaging 2.4 people each — matches the U.S. average of 2.5. 70% are family households — above the U.S. share of ~65%. Of 1,324 families, 10% are married couples with children.

Children under 18379
Total families1,324
Married couples with children137
Single-parent households17
Average household size2.44
Women who gave birth (past year)6.3%
Grandparents living with grandchildren14
Grandparents responsible for grandchildren9
Family households1,232 households (vs Virginia 9,367)
Households that are families69.6% (vs Virginia 65.0%)
Total households1,769 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. 10.5% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 392 residents per year on net (IRS migration data).

Moved within the county (past year)10.5%
Migration · People moving in (annual)52,093
Migration · People moving out (annual)51,701
Migration · Net migration (in − out)392
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 disability231
Disability rate5.2%

Other

Congressional District · District5
Congressional District · FormattedVA-05
Congressional District · Congress118th
Cdc Birth Rate · Fips51143
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips143
Cdc Birth Rate · CountyPittsylvania
Cdc Birth Rate · Birth Rate19.1%
Cdc Birth Rate · Lower Ci16.10
Cdc Birth Rate · Upper Ci22.50
Cdc Mortality · Fips51143
Cdc Mortality · CountyPittsylvania County
Cdc Mortality · Urban RuralMicropolitan
Cdc Mortality · Total Deaths 2020 20231,533
Cdc Vaccination · Fips51143
Cdc Vaccination · CountyPittsylvania County
Cdc Vaccination · Dose1 Pop Pct48.3%
Cdc Vaccination · Series Complete Pct42.5%
Cdc Vaccination · Booster Pct31.7%
Cdc Vaccination · Population 201960,354
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score8.00
Family Score · Schools14
Family Score · Children Pct9.9%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 4,155, declining, retirement community, upper-middle, white collar
Town Summary · Population4,155 people (vs Virginia 42,214)
Town Summary · CountyPittsylvania County

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