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Living in
Lake St. Louis.
About
Life in Lake St. Louis
Living in Lake St. Louis means settling into a prosperous, well-planned suburb where you're genuinely close to St. Louis amenities without being in the thick of urban sprawl—it's about 43 miles west of downtown.
Lake St. Louis at a Glance
Population, income, housing and more
Median Age
42.7 yrs
Poverty Rate
4.3%
Foreign-Born
4.0%
Broadband Internet
98.3%
of households
Population Growth
+14.4%
recent change · Census Bureau
Median household income
Demographics4.0% foreign-born, most often from India
Who lives in Lake St. Louis: race and ethnicity, ages, households, languages and countries of origin
In Lake St. Louis, the largest foreign-born group is from India (19.7%), and 1.4% of residents speak Spanish at home.
Under 18
20.1%
of residents
65 and Older
20.5%
of residents
Households with Kids
28.4%
anyone under 18
Living Alone
20.3%
of households
Married Couples
64.3%
of households
Avg Household Size
2.46
people
Race & Ethnicity
Hispanic or Latino of any race; other groups are non-Hispanic
Top countries of origin (foreign-born)
Languages Spoken at Home
Cost of Livingrent 54% above MO average
Rent, home values, and income in Lake St. Louis
In Lake St. Louis, rent runs 54% above the MO average, and home values are 76% above the MO average.
Median rent (per month)
Median home value
Rent Burdened
29.7%
spending 30%+ of income on rent
Severely Rent Burdened
9.4%
spending 50%+
Cost of Living Index
95.1
metro area (BEA) · US avg = 100
Median Property Tax
$4,448
per year, owner-occupied homes
Homeowners
75.6%
of occupied homes are owned
Typical Home Built
2000
median year built
Jobs & Economyunemployment 0.6 pts below MO average
Unemployment in Lake St. Louis and typical pay across the metro area
Unemployment in St. Charles County, which includes Lake St. Louis, is 0.6 percentage points lower than the MO average.
Unemployment rate
Lake St. Louis: St. Charles County rate (county-wide) · BLS annual average
Unemployment Rate — 10 Year Trend
St. Charles County (county-wide) · Annual averages
Lake St. Louis is about 4% of St. Charles County’s population, so county-wide figures may differ from local conditions.
What Lake St. Louis Residents Do for Work · share of employed residents by industry
City residents, wherever they work
Median Salary by Occupation · metro area
St. Louis, MO-IL metro area
Commute25.6 min avg
How Lake St. Louis residents get to work, and the nearest airports
In Lake St. Louis, most residents drive alone to work (71%), and 67% get there in under 30 minutes.
How People Get to Work
Commute Time Distribution
Nearest airports · with airline service
- 23 mi
St. Louis Lambert International Airport (STL)
Medium hub7.5M passengers boarded in 2025
Straight-line distance. Size is the FAA’s hub category, based on passenger traffic: regional airports may have only a few flights a day.
Safetyviolent crime 68% below national average
Crime rates for 2025
Violent crime in Lake St. Louis runs 68% below the national average.
Violent Crime Rate
106.1
per 100,000 residents
Below average (329 national, 2025)
Property Crime Rate
348.4
per 100,000 residents
Below average (1,552 national, 2025)
Lake St. Louis Police Department
Natural DisastersThunderstorm Wind most common — 20 events in 2025
Natural hazard risk, storms and earthquakes
FEMA National Risk Index
Relatively Moderate
92.6 / 100
Compares expected losses from natural hazards, social vulnerability and community resilience against every US county (higher = more risk).
St. Charles County, county-wide · FEMA NRI December 2025
In St. Charles County, which includes Lake St. Louis, the most common type is thunderstorm wind, with 20 recorded events in 2025.
Most common events:
Storm events by year
| Year | Events | Top Type | Property Damage |
|---|---|---|---|
| 2025 | 20 | Hail | $292,000 |
| 2024 | 10 | Hail | $20.0M |
| 2023 | 10 | Thunderstorm Wind | $15,000 |
| 2022 | 9 | Thunderstorm Wind | $10.1M |
| 2021 | 15 | Thunderstorm Wind | $3.4M |
| 2020 | 9 | Thunderstorm Wind | None reported |
| 2019 | 23 | Thunderstorm Wind | $1.1M |
| 2018 | 12 | Thunderstorm Wind | $34,000 |
Property damage is the National Weather Service's estimate filed with each event. “None reported” means the events were logged with $0 damage; “Not estimated” means no estimate was filed. Storms covering several counties aren't counted here, since NOAA doesn't split their damage by county.
1 earthquake of magnitude 2.5+ within 100 miles in the past year
St. Charles County, county-wide
Lake St. Louis is about 4% of St. Charles County’s population, so county-wide figures may differ from local conditions.
Air Quality41 median AQI — Good
Days by air quality category (2025)
Air quality in Lincoln County, MO (the nearest EPA-monitored county, about 21 miles from Lake St. Louis) is typically good — 210 good-air days per year.
Median AQI
41
Good Days
210
per year
Moderate Days
34
per year
Unhealthy Days
0
per year
Nearest EPA monitor county: Lincoln County, MO (21 mi away)
Climate86°F summers, 24°F winters
30-year climate averages (1991–2020) — monthly temperatures and precipitation
Lake St. Louis has warm summers (avg high 86°F) and cold winters (avg low 24°F).
Spring (Mar–May)
66°/44°F
avg high / low
Summer (Jun–Aug)
86°/65°F
avg high / low
Fall (Sep–Nov)
68°/46°F
avg high / low
Winter (Dec–Feb)
43°/24°F
avg high / low
Annual Precipitation
44.4"
Annual Snowfall
13.5"
Hot Days/Year
36
days above 90°F
Freeze Days/Year
105
days below 32°F
Rainy Days/Year
107
Average month
Show month-by-month table ↓Hide table ↑
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 39°F | 21°F | 2.61" |
| Feb | 45°F | 24°F | 2.43" |
| Mar | 55°F | 33°F | 3.74" |
| Apr | 67°F | 44°F | 4.70" |
| May | 76°F | 54°F | 5.09" |
| Jun | 84°F | 63°F | 4.72" |
| Jul | 88°F | 67°F | 3.92" |
| Aug | 87°F | 65°F | 3.58" |
| Sep | 80°F | 57°F | 3.50" |
| Oct | 68°F | 46°F | 3.37" |
| Nov | 55°F | 35°F | 3.69" |
| Dec | 44°F | 26°F | 3.07" |
Healthcare1 hospital, avg 3.0/5
Hospitals, ratings, and health insurance in Lake St. Louis
Lake St. Louis has 1 hospital, averaging 3.0 out of 5 on CMS's quality rating.
Hospitals
1
within city limits
Uninsured
3.5%
of residents
Avg Hospital Rating
3.0 / 5
Ssm St Joseph Hospital West
Acute Care Hospitals · ER available
Nearby hospitals · within 15 miles
Progress West Hospital
Acute Care Hospitals · ER available · 6.9 mi away · Ofallon
Centerpointe Hospital
Psychiatric · 7.9 mi away · Saint Charles
Barnes-jewish St Peters Hospital
Acute Care Hospitals · ER available · 11.4 mi away · Saint Peters
Adult Health · vs. the typical US place
Share of adults. Modeled estimates, not counted cases. “US” = the typical US place.
Medicare-certified hospitals only. Doesn’t include clinics, urgent care, or freestanding ERs.
Education14.0:1 student/teacher ratio
Schools and degree attainment in Lake St. Louis
Lake St. Louis's student/teacher ratio is 14.0:1 (lower than the national average of 16:1), and 51.7% of adults 25+ hold a bachelor's degree or higher.
Public Schools
1
within city limits
Private Schools
0
within city limits
College Degree Rate
51.7%
adults 25+ with bachelor's or higher
Student/Teacher Ratio
14.0:1
National avg 16:1
Schools located within city limits (2023) — school-level metrics change slowly year to year
Colleges Near Lake St. Louis (within 15 miles)
Private nonprofit · 4-year · 472 students · in-state tuition $9,116 · 56% graduate
Degree-granting colleges with 100+ students, placed by campus location (main campuses only — branch campuses are reported under their parent school)
Parks & Recreationclosest: Ulysses S Grant National Historic Site, 29 mi
Nearby national parks, recreation areas and public libraries for Lake St. Louis
Lake St. Louis has 6 nearby national parks or recreation areas, closest being Ulysses S Grant National Historic Site (29 mi away).
Nearby National Parks & Recreation Areas
Ulysses S Grant National Historic Site
National Historic Site
29 mi awayGateway Arch National Park
National Park
34 mi awayNew Philadelphia National Historic Site
National Historic Site
64 mi awaySte. Geneviève National Historical Park
National Historical Park
69 mi awayLincoln Home National Historic Site
National Historic Site
93 mi awaySpringfield 1908 Race Riot National Monument
National Monument
93 mi awayCities Near Lake St. Louis
The closest cities within 60 miles
Planning a move to Lake St. Louis?
Read our full moving guide — what it's really like to live here.
Lake St. Louis FAQ
Is Lake St. Louis, Missouri affordable?⌄
Lake St. Louis's median rent is $1,588/month, which is close to the national average. The median household income is $125,693/year. Median home value is $405,900.
Is Lake St. Louis, Missouri safe?⌄
Lake St. Louis's violent crime rate was 106 per 100,000 residents in 2025, which is well below the national average — one of the safer cities in the country of 329/100k that year. Property crime rate is 348 per 100,000. As with any city, crime rates vary by neighborhood.
What is the job market like in Lake St. Louis, Missouri?⌄
St. Charles County, which includes Lake St. Louis, has an unemployment rate of 3.4%, which is solid, slightly below the national average of 4.3%.
What is the cost of living in Lake St. Louis, Missouri?⌄
The cost of living in Lake St. Louis is primarily driven by housing. Median rent is $1,588/month and median household income is $125,693/year. The median home value is $405,900. About 30% of renters spend more than 30% of their income on housing.
How is the commute in Lake St. Louis, Missouri?⌄
The average commute in Lake St. Louis is 26 minutes, which is about average compared to the national average of 26 minutes.
Data from the US Census Bureau, BLS, FBI, NOAA, EPA, Zillow Research and other public sources. Where our data comes from