Lake St. Louis city, Missouri
Population estimates, July 1, 2024, (V2024) 19,160
People
Population
Population estimates, July 1, 2025, (V2025) 19,129
Population estimates, July 1, 2024, (V2024) 19,160
Population estimates base, April 1, 2020, (V2025) 16,723
Population estimates base, April 1, 2020, (V2024) 16,707
Population, percent change - April 1, 2020 (estimates base) to July 1, 2025, (V2025) 14.4%
Population, percent change - April 1, 2020 (estimates base) to July 1, 2024, (V2024) 14.7%
Population, Census, April 1, 2020 16,707
Population, Census, April 1, 2010 14,545
Age and Sex
Persons under 5 years, percent 3.2%
Persons under 18 years, percent 20.1%
Persons 65 years and over, percent 20.5%
Female persons, percent 49.5%
Race and Hispanic Origin
White alone, percent 85.4%
Black alone, percent(a) 5.5%
American Indian and Alaska Native alone, percent(a) 0.1%
Asian alone, percent(a) 1.9%
Native Hawaiian and Other Pacific Islander alone, percent(a) 0.0%
Two or More Races, percent 6.1%
Hispanic or Latino, percent(b) 2.5%
White alone, not Hispanic or Latino, percent 84.7%
Population Characteristics
Veterans, 2020-2024 1,255
Foreign-born persons, percent, 2020-2024 4.0%
Housing
Housing Units, July 1, 2025, (V2025) X
Owner-occupied housing unit rate, 2020-2024 75.6%
Median value of owner-occupied housing units, 2020-2024 $405,900
Median selected monthly owner costs - with a mortgage, 2020-2024 $2,225
Median selected monthly owner costs - without a mortage, 2020-2024 $861
Median gross rent, 2020-2024 $1,588
Building Permits, 2025 X
Families & Living Arrangements
Households, 2020-2024 7,351
Persons per household, 2020-2024 2.46
Living in the same house 1 year ago, percent of persons age 1 year+ , 2020-2024 85.0%
Language other than English spoken at home, percent of persons age 5 years+, 2020-2024 4.6%
Computer and Internet Use
Households with a computer, percent, 2020-2024 98.9%
Households with a broadband Internet subscription, percent, 2020-2024 98.3%
Education
High school graduate or higher, percent of persons age 25 years+, 2020-2024 97.0%
Bachelor's degree or higher, percent of persons age 25 years+, 2020-2024 51.7%
Health
With a disability, under age 65 years, percent, 2020-2024 6.3%
Persons without health insurance, under age 65 years, percent 4.3%
Economy
In civilian labor force, total, percent of population age 16 years+, 2020-2024 66.4%
In civilian labor force, female, percent of population age 16 years+, 2020-2024 63.0%
Total accommodation and food services sales, 2022 ($1,000)(c) 58,809
Total health care and social assistance receipts/revenue, 2022 ($1,000)(c) 467,087
Total transportation and warehousing receipts/revenue, 2022 ($1,000)(c) 39,277
Total retail sales, 2022 ($1,000)(c) 507,604
Total retail sales per capita, 2022(c) $27,691
Transportation
Mean travel time to work (minutes), workers age 16 years+, 2020-2024 25.6
Income & Poverty
Median households income (in 2024 dollars), 2020-2024 $125,693
Per capita income in past 12 months (in 2024 dollars), 2020-2024 $62,954
Persons in poverty, percent 4.3%
Businesses
Businesses
Total employer establishments, 2023 X
Total employment, 2023 X
Total annual payroll, 2023 ($1,000) X
Total employment, percent change, 2022-2023 X
Total nonemployer establishments, 2023 X
All employer firms, Reference year 2023 X
Male-owned employer firms, Reference year 2023 X
Female-owned employer firms, Reference year 2023 X
Minority-owned employer firms, Reference year 2023 X
Nonminority-owned employer firms, Reference year 2023 X
Veteran-owned employer firms, Reference year 2023 X
Nonveteran-owned employer firms, Reference year 2023 X
Geography
Geography
Population per square mile, 2020 1,956.3
Population per square mile, 2010 1,839.6
Land area in square miles, 2020 8.54
Land area in square miles, 2010 7.91
FIPS Code 2940043