Homefactsby IDLookupNew search

Neighborhood report

Lake St. Louis, MO

Founded 1961St. Charles CountyElev. 172 m
Population
17,538
Median home
$375,300
Disaster risk
Relatively Moderate
Public schools
3
Sex offenders
0

Overview

About Lake St. Louis

With about 17,538 residents, Lake St. Louis is one of Missouri's notable places. Lake St. Louis was founded in 1961 and sits in St. Charles County. The median age is 43.2 and the median household income is $123,427. Homes carry a median value of $375,300, and about 75% of residents own where they live. White residents make up the largest share of the population (86.7%). Around 50% of adults hold a bachelor's degree or higher, and the typical commute runs about 27 minutes.

Source: U.S. Census Bureau, American Community Survey (5-year).

Look up anyone in Lake St. Louis, MO
Search Lake St. Louis residents by name — addresses, phone numbers, relatives, criminal & public records.
Search people →

Who lives here

Demographics

Population
17,538
Median age
43.2
Median household income
$123,427
Per-capita income
$60,780
Poverty rate
4.1%
High-school grad or higher
97.2%
Bachelor's degree or higher
49.5%
Unemployment
4.5%
Avg. commute
26.8 min
Work from home
18.3%
Residents by race & ethnicity
White86.7%
Hispanic or Latino2.8%
Black4.2%
Asian1.5%
Workforce by occupation
Management, business, science & arts48.5%
Sales & office26.6%
Service11.4%
Production, transportation & material moving8.5%
Natural resources, construction & maintenance4.9%

Source: U.S. Census Bureau, American Community Survey (5-year).

Housing

Property report

Median home value
$375,300
Median gross rent
$1,608/mo
Owner-occupied
75.2%
Median year built
1999
Households
7,179
Avg. household size
2.44

Area-level figures. Source: U.S. Census Bureau, ACS (5-year). Parcel-level records coming next.

Education

Schools

Lake St. Louis has 3 public schools — 2 elementary, 1 high.

LIBERTY HIGH SCHOOLHighGrades 9–12
DUELLO ELEM.Elementary
GREEN TREE ELEM.Elementary

Public schools + grade-8 proficiency. Source: U.S. Dept. of Education (NCES directory + EDFacts assessments), via Urban Institute.

Safety

Crime

violent crime55% below national
Lake St. Louis172
Missouri474
United States386
↑ 28% higher than 2019
2019–2023
property crime65% below national
Lake St. Louis678
Missouri2,177
United States1,952
↓ 58% lower than 2019
2019–2023

Rate per 100,000 residents/year, Lake St. Louis Police Department, 2023. Source: FBI UCR/NIBRS (Crime Data Explorer).

Environment

Environmental hazards

Toxic-release sites and regulated facilities in and around Lake St. Louis.

Data source being added: U.S. EPA — Toxics Release Inventory (public). We show real, sourced figures only — never estimates.

Risk

Natural disaster risk

Relatively Moderate
Top hazards · St. Charles County
Strong windVery High
Cold waveRelatively High
HailRelatively High
LightningRelatively High
Riverine floodingRelatively High
TornadoRelatively High

County-level natural-hazard risk. Source: FEMA National Risk Index.

Context

Neighborhood info

Lake St. Louis is in St. Charles County — see county-wide risk, demographics, and registry.

Lake St. Louis was founded in 1961 and sits in St. Charles County. Elevation ~172 m.

Map of Lake St. Louis
Lake St. Louis, MO
Where Lake St. Louis is
KansasSt. LouisSpringfieldColumbiaIndependenceLee's SummitLake St. Louis
Notable people from Lake St. Louis
Jud Birza
People searches in Lake St. Louis
Michael Smith (3)John Smith (3)James Smith (2)David Smith (2)Robert Smith (2)Michael Johnson (2)John Johnson (2)James Johnson (2)Michael Williams (2)William Smith (2)David Johnson (2)Robert Johnson (2)John Williams (2)Michael Brown (2)Michael Jones (2)James Williams (2)David Williams (2)John BrownRobert WilliamsJohn JonesWilliam JohnsonMary SmithJames BrownJames Jones
Nearby cities
O'Fallon (4 mi)Wentzville (5 mi)St. Peters (10 mi)Chesterfield (14 mi)St. Charles (15 mi)Wildwood (15 mi)

Common questions

Lake St. Louis — frequently asked

What is the population of Lake St. Louis, Missouri?
Lake St. Louis has a population of about 17,538, according to the U.S. Census Bureau's American Community Survey (5-year).
What is the average home value in Lake St. Louis?
The median home value in Lake St. Louis is $375,300, and the median gross rent is $1,608/month (U.S. Census ACS).
Is Lake St. Louis safe? What is the crime rate?
Lake St. Louis Police Department reported a violent-crime rate of about 172 per 100,000 residents in 2023 — lower than the U.S. rate of 386. Source: FBI UCR/NIBRS.
What natural-disaster risks does Lake St. Louis face?
FEMA's National Risk Index rates St. Charles County as "Relatively Moderate" overall, with top hazards including strong wind, cold wave, hail.
How many schools are in Lake St. Louis?
Lake St. Louis has 3 public schools (2 elementary, 1 high). Source: U.S. Dept. of Education, NCES.
How many registered sex offenders are in Lake St. Louis?
Public registry data lists 0 registered sex offenders in or near Lake St. Louis. This is neighborhood-safety information from the public state registry.
Look up a person in Lake St. Louis →