St. Clairsville: Demographics & People

101 people call St. Clairsville home, in 41 households. Population grew 11.0% from 91 (2022) to 101 (2024). Median age 40.4 years. (7.1y younger than Bedford County; 0.8y younger than Pennsylvania). Children under 18 are 26% of the population. Population is 96% White (non-Hispanic) and 2% Black. 80% of households are family-led. County is gaining 206 residents per year (2022-2023). County health: 35% adult obesity, 20% smoke.

Population & Trend

Population grew 11.0% from 91 (2022) to 101 (2024) — about 18.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~112 (extrapolated at 5.5%/yr trend). Census Bureau Vintage estimate: 128.

Census data vintage2024
Population47,577 people
Annual growth rate · Population change11.0%
Annual growth rate · Population (2022)91
Annual growth rate · Population (2024)101
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population101 people
Population Estimate128

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

Age Distribution

Median age 40.4y is 1.5 years older than the U.S. median (38.9y). Children under 18 make up 26% — above the U.S. share of ~22%.

Age Summary · Median age40.4 years (vs Pennsylvania 41.2y)
Age Summary · Children Pct25.7%
Age Summary · Characterestablished
Population under 1826
Median age40.4 years (vs Pennsylvania 41.2y)

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

Race, Ethnicity & Diversity

Of 101 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups).

White residents85
Black residents3
Diversity Index · Simpson Index27.4%
Diversity Index · Interpretationless diverse
Black population2.0%
White (non-Hispanic) population96.0%

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 (6)

(unnamed)
German
(unnamed)
English
(unnamed)
Black
(unnamed)
Irish
(unnamed)
Italian
(unnamed)
American

Citizenship & Origin

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

Residents born in this state76
Residents born in another state25
Share born in this state75.2%
Share born in another state24.8%
Native-born U.S. citizens24.8%
Total foreign-born residents485

Households & Family Composition

41 households. Averaging 2.6 people each — larger than the U.S. average of 2.5. 80% are family households — above the U.S. share of ~65%. Of 20 families, 40% are married couples with children.

Children under 1817
Total families20
Married couples with children8
Single-parent households1
Average household size2.60
Women who gave birth (past year)31.0%
Grandparents living with grandchildren605
Grandparents responsible for grandchildren182
Family households33 households
Households that are families80.5%
Total households41 households

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

Residential Stability & Migration

How long residents have lived here and where they came from. 14.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 206 residents per year on net (IRS migration data).

Moved within the county (past year)14.9%
Migration · People moving in (annual)44,213
Migration · People moving out (annual)44,007
Migration · Net migration (in − out)206
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 disability9
Disability rate10.2%

Other

Congressional District · District13
Congressional District · FormattedPA-13
Congressional District · Congress118th
Cdc Birth Rate · Fips42,009
Cdc Birth Rate · State Fips42
Cdc Birth Rate · County Fips9
Cdc Birth Rate · CountyBedford
Cdc Birth Rate · Birth Rate15.8%
Cdc Birth Rate · Lower Ci12.90
Cdc Birth Rate · Upper Ci19.20
Cdc Mortality · Fips42,009
Cdc Mortality · CountyBedford County
Cdc Mortality · Urban RuralNoncore
Cdc Mortality · Total Deaths 2020 20231,537
Cdc Vaccination · Fips42,009
Cdc Vaccination · CountyBedford County
Cdc Vaccination · Dose1 Pop Pct45.3%
Cdc Vaccination · Series Complete Pct40.7%
Cdc Vaccination · Booster Pct50.7%
Cdc Vaccination · Population 201947,888
Cdc Vaccination · Metro StatusNon-metro
Family Score · Score7.50
Family Score · Schools13
Family Score · Children Pct25.7%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 101, booming, established, working-class, blue collar
Town Summary · Population101 people
Town Summary · CountyBedford County

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