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Data on this report is based on areas within the legal city boundary, outlined in black on the map. Any additional neighborhoods shown on the map are associated with the city by name and are included for reference only.



Lake St. Louis Population Statistics

Source & Methodology

Analytics built by:   Location, Inc.

Raw data sources:   American Community Survey, U.S. Bureau of the Census, U.S. Department of Education, 50 state departments of education, U.S. Bureau of Labor Statistics, Federal Bureau of Investigation, 18,000+ local law enforcement agencies, Federal Housing Finance Agency, U.S. Geological Service, National Agricultural Statistics Service.

Date(s) & Update Frequency:   2023 (latest available). Updated annually. Please note: Unemployment data updated February 2025.

Methodology:   Unlike standardly available Census demographics, NeighborhoodScout uses dozens of custom models to transform 8.5 million raw demographic data elements from government sources into proprietary indices and insights…. Read more about Scout's Demographic Data

Lake St. Louis Population & Age Distribution

Total Population

18,661

Age

Under 5 Years:
3.2%
5 - 17:
16.8%
18 - 24:
10.3%
25 - 34:
8.7%
35 - 54:
26.4%
55 - 64:
14.9%
Over 65 Years:
19.7%

Educational Attainment of Adults

Attending College
High School Graduates
College Graduated
4.6%
4.6%
97.2%
97.2%
49.5%
49.5%
0% 100.0%
% of Residents

Income

Per capita Income

Lake St. Louis
USA
$60,780
$60,780
$43,289
$43,289

Median household income

Lake St. Louis
USA
$123,427
$123,427
$78,538
$78,538
Individuals Below Poverty Level

4.1%

Employment Industries

View all industries
Retail
Healthcare
Finance
Professional, scientific, and technical services
Manufacturing
Construction
Administration
Education
Accommodation
Other
Real estate
Wholesale
Public Service
Transportation
Arts
14.3%
14.3%
13.0%
13.0%
11.0%
11.0%
9.1%
9.1%
8.7%
8.7%
7.1%
7.1%
5.4%
5.4%
5.4%
5.4%
5.1%
5.1%
4.7%
4.7%
2.7%
2.7%
2.4%
2.4%
2.4%
2.4%
2.4%
2.4%
2.3%
2.3%
0% 100%
% of Residents

Race & Ethnic Diversity

White
Other Race / Two or More Races
Black or African American
Hispanic or Latino (Of Any Race)
Asian
American Indian and Alaska Native
Native Hawaiian and Other Pacific Islanders
86.7%
86.7%
4.8%
4.8%
4.2%
4.2%
2.8%
2.8%
1.5%
1.5%
0.1%
0.1%
0.0%
0.0%
0% 100.0%
% of Residents

Ancestry

See all ancestries
German
Irish
English
French
Italian
Polish
European
Scottish
Swedish
Eastern European
Norwegian
Hungarian
Dutch
Welsh
Scandinavian
Palestinian
Portuguese
Canadian
Northern European
Swiss
32.1%
32.1%
17.9%
17.9%
17.6%
17.6%
4.8%
4.8%
4.3%
4.3%
3.4%
3.4%
2.6%
2.6%
1.9%
1.9%
1.1%
1.1%
0.9%
0.9%
0.9%
0.9%
0.7%
0.7%
0.6%
0.6%
0.5%
0.5%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0.4%
0% 100%
% of Residents

Languages Spoken

See all languages
English
Spanish
Other Asian languages
Arabic
Korean
Polish
Slavic languages
Chinese
Scandinavian languages
Pacific Island languages
German/Yiddish
French
African languages
Hungarian
Native American languages
Navajo
Tagalog
Vietnamese
Laotian
Thai
95.2%
95.2%
2.0%
2.0%
0.7%
0.7%
0.6%
0.6%
0.2%
0.2%
0.2%
0.2%
0.2%
0.2%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.1%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0% 100%
% of Residents
Foreign Born Lake St. Louis Residents

3.8%