St. Clair County, Missouri
Population estimates, July 1, 2025, (V2025) 9,976
People
Population
Population estimates, July 1, 2025, (V2025) 9,976
Population estimates, July 1, 2024, (V2024) 9,848
Population estimates base, April 1, 2020, (V2025) 9,285
Population estimates base, April 1, 2020, (V2024) 9,282
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 7.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 6.1%
Population, Census, April 1, 2020 9,284
Population, Census, April 1, 2010 9,805
Age and Sex
Persons under 5 years, percent 5.7%
Persons under 18 years, percent 21.3%
Persons 65 years and over, percent 25.8%
Female persons, percent 48.4%
Race and Hispanic Origin
White alone, percent 95.9%
Black alone, percent(a) 0.9%
American Indian and Alaska Native alone, percent(a) 0.8%
Asian alone, percent(a) 0.4%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 2.0%
Hispanic or Latino, percent(b) 2.5%
White alone, not Hispanic or Latino, percent 93.8%
Population Characteristics
Veterans, 2020-2024 658
Foreign-born persons, percent, 2020-2024 1.2%
Housing
Housing Units, July 1, 2025, (V2025) 5,321
Owner-occupied housing unit rate, 2020-2024 76.0%
Median value of owner-occupied housing units, 2020-2024 $157,100
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,190
Median selected monthly owner costs - without a mortage, 2020-2024 $444
Median gross rent, 2020-2024 $622
Building Permits, 2025 3
Families & Living Arrangements
Households, 2020-2024 4,071
Persons per household, 2020-2024 2.31
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 88.8%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 2.4%
Computer and Internet Use
Households with a computer, percent, 2020-2024 90.6%
Households with a broadband Internet subscription, percent, 2020-2024 82.4%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 86.0%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 14.7%
Health
With a disability, under age 65 years, percent, 2020-2024 14.6%
Persons without health insurance, under age 65 years, percent 11.0%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 52.6%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 49.0%
Total accommodation and food services sales, 2022 ($1,000)(c) 7,653
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 43,059
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 15,272
Total retail sales, 2022 ($1,000)(c) 151,722
Total retail sales per capita, 2022(c) $15,813
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 28.4
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $53,043
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $29,315
Persons in poverty, percent 16.0%
Businesses
Businesses
Total employer establishments, 2023 161
Total employment, 2023 1,222
Total annual payroll, 2023 ($1,000) 52,915
Total employment, percent change, 2022-2023 7.5%
Total nonemployer establishments, 2023 838
All employer firms, Reference year 2023 S
Male-owned employer firms, Reference year 2023 S
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 S
Nonminority-owned employer firms, Reference year 2023 S
Veteran-owned employer firms, Reference year 2023 S
Nonveteran-owned employer firms, Reference year 2023 S
Geography
Geography
Population per square mile, 2020 13.8
Population per square mile, 2010 14.6
Land area in square miles, 2020 674.98
Land area in square miles, 2010 669.98
FIPS Code 29185