St. Louis County, Missouri
Population estimates, July 1, 2025, (V2025) 990,911
People
Population
Population estimates, July 1, 2025, (V2025) 990,911
Population estimates, July 1, 2024, (V2024) 992,929
Population estimates base, April 1, 2020, (V2025) 1,004,548
Population estimates base, April 1, 2020, (V2024) 1,004,501
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) -1.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) -1.2%
Population, Census, April 1, 2020 1,004,125
Population, Census, April 1, 2010 998,954
Age and Sex
Persons under 5 years, percent 5.3%
Persons under 18 years, percent 21.6%
Persons 65 years and over, percent 20.1%
Female persons, percent 52.2%
Race and Hispanic Origin
White alone, percent 66.4%
Black alone, percent(a) 25.3%
American Indian and Alaska Native alone, percent(a) 0.3%
Asian alone, percent(a) 5.4%
Native Hawaiian and Other Pacific Islander alone, percent(a) Z
Two or More Races, percent 2.6%
Hispanic or Latino, percent(b) 4.1%
White alone, not Hispanic or Latino, percent 62.9%
Population Characteristics
Veterans, 2020-2024 46,673
Foreign-born persons, percent, 2020-2024 8.4%
Housing
Housing Units, July 1, 2025, (V2025) 448,637
Owner-occupied housing unit rate, 2020-2024 69.2%
Median value of owner-occupied housing units, 2020-2024 $276,800
Median selected monthly owner costs - with a mortgage, 2020-2024 $1,753
Median selected monthly owner costs - without a mortage, 2020-2024 $698
Median gross rent, 2020-2024 $1,209
Building Permits, 2025 957
Families & Living Arrangements
Households, 2020-2024 413,849
Persons per household, 2020-2024 2.36
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 88.2%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 10.5%
Computer and Internet Use
Households with a computer, percent, 2020-2024 96.3%
Households with a broadband Internet subscription, percent, 2020-2024 93.4%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 94.5%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 47.4%
Health
With a disability, under age 65 years, percent, 2020-2024 8.4%
Persons without health insurance, under age 65 years, percent 6.7%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 64.9%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 61.2%
Total accommodation and food services sales, 2022 ($1,000)(c) 3,680,732
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 13,758,258
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 6,023,971
Total retail sales, 2022 ($1,000)(c) 27,773,460
Total retail sales per capita, 2022(c) $28,032
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 23.1
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $82,936
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $51,977
Persons in poverty, percent 9.8%
Businesses
Businesses
Total employer establishments, 2023 29,717
Total employment, 2023 629,036
Total annual payroll, 2023 ($1,000) 46,381,122
Total employment, percent change, 2022-2023 2.2%
Total nonemployer establishments, 2023 88,357
All employer firms, Reference year 2023 19,829
Male-owned employer firms, Reference year 2023 10,980
Female-owned employer firms, Reference year 2023 S
Minority-owned employer firms, Reference year 2023 3,399
Nonminority-owned employer firms, Reference year 2023 14,388
Veteran-owned employer firms, Reference year 2023 1,025
Nonveteran-owned employer firms, Reference year 2023 16,656
Geography
Geography
Population per square mile, 2020 1,977.1
Population per square mile, 2010 1,967.2
Land area in square miles, 2020 507.88
Land area in square miles, 2010 507.80
FIPS Code 29189