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Lake St. Louis, Missouri

Last updated: 2024 BLS data · Page refreshed:

City Profile — Demographics, Income, Education & Housing
Data: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates
18,066
Population
$125,693
Median Income
$405,900
Home Value
42.7
Median Age

Demographics

Lake St. Louis has a population of 18,066 with a median age of 42.7. Here is the racial and ethnic breakdown of the population:

White
85.4%
Black
5.5%
Other
4.7%
Hispanic
2.5%
Asian
1.9%
Demographic Value
Total Population18,066
Median Age42.7
White85.4%
Black or African American5.5%
Asian1.9%
Hispanic or Latino2.5%
Other / Two or More Races4.7%
Lake St. Louis, Missouri — racial composition (Census ACS 2024)Donut chart of 5 segments totaling 100.White: 85.4%Black: 5.5%Other: 4.7%Hispanic/Latino: 2.5%Other: 1.9%18,066PopulationWhiteWhite85.4%BlackBlack5.5%OtherOther4.7%Hispanic/LatinoHispanic/Latino2.5%OtherOther1.9%

Income & Economy

The median household income in Lake St. Louis is $125,693, which is 55.9% above the national median of $80,610. The per capita income is $62,954. The poverty rate is 4.3%.

$125,693
Median Household Income
$62,954
Per Capita Income
4.3%
Poverty Rate

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Education

In Lake St. Louis, 97.0% of residents age 25+ have a high school diploma or higher, and 51.7% hold a bachelor's degree or higher (17.6% with a graduate or professional degree).

HS Diploma+
97.0%
Bachelor's+
51.7%
Graduate+
17.6%
Education Level % of Adults (25+)
High School Diploma or Higher97.0%
Bachelor's Degree or Higher51.7%
Graduate or Professional Degree17.6%

Housing

The median home value in Lake St. Louis is $405,900, above the national median of $303,400. The median monthly rent is $1,588. The homeownership rate is 75.6%.

$405,900
Median Home Value
$1,588/mo
Median Rent
75.6%
Homeownership Rate
Housing Metric Value
Median Home Value$405,900
Median Monthly Rent$1,588
Homeownership Rate75.6%
Vacancy Rate4.0%

Salaries in Missouri

Explore salary data for popular occupations in Missouri:

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Other Cities in Missouri

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Frequently Asked Questions

What is the population of Lake St. Louis, Missouri?
The population of Lake St. Louis, Missouri is 18,066 according to U.S. Census Bureau ACS 2024 5-Year Estimates.
What is the median household income in Lake St. Louis, Missouri?
The median household income in Lake St. Louis, Missouri is $125,693. This is 55.9% above the national median of $80,610.
What is the median home value in Lake St. Louis, Missouri?
The median home value in Lake St. Louis, Missouri is $405,900. The median monthly rent is $1,588.
What percentage of people in Lake St. Louis have a college degree?
In Lake St. Louis, Missouri, 51.7% of adults age 25 and older hold a bachelor's degree or higher, and 97.0% have a high school diploma or higher.
Is Lake St. Louis, Missouri an affordable place to live?
The home price-to-income ratio in Lake St. Louis, Missouri is 3.2x (median home value $405,900 vs. median income $125,693), making it relatively affordable by that measure. A ratio under 4.0 is generally considered affordable.

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