Living in Lake St. Louis, Missouri
Cost of living, income, home prices, rent and demographics of Lake St. Louis · Census data 2020–2024
Lake St. Louis has 18,066 residents with a median age of 42.7. The median household income is $125,693 (78% higher than the Missouri median), the median home value is $405,900, the median rent is $1,588/month.
Lake St. Louis at a glance
- Population
- 18,066
- Median age
- 42.7State: 39
- Median household income
- $125,693State: $70,702
- Median home value
- $405,900State: $230,300
- Median rent
- $1,588/moState: $1,033
- Homeowners
- 75.6%
- Bachelor's degree or higher
- 51.7%
- Average commute
- 26 min
Is Lake St. Louis a good place to live?
Pros: Median household income 78% higher than the Missouri median; a poverty rate of 4.3%.
Cons: Home values 76% higher than the state median; an average commute of 26 minutes; unemployment of 4.7%.
The weather is best in May–June and September–October.
Cost of living in Lake St. Louis
Housing is the biggest part of the cost of living. In Lake St. Louis the median home value is $405,900, 22% higher than the U.S. median. Renters pay a median of $1,588 per month, which is 22.7% of household income. Homeowners with a mortgage pay $2,225 a month in housing costs.
Lake St. Louis median household income
The median household income in Lake St. Louis is $125,693 and the income per person is $62,954. 4.3% of residents live below the poverty line (Missouri: 12.6%).
Housing in Lake St. Louis: homes for sale and rent
- Housing units
- 7,657
- Owner-occupied
- 75.6%
- Renter-occupied
- 24.4%
- Vacant
- 4%Includes seasonal homes
- Median year built
- 2000
- Average household size
- 2.46
Lake St. Louis demographics
- Population
- 18,066
- Median age
- 42.7
- Under 18
- 20.1%
- 65 and older
- 20.5%
- Households
- 7,351
- Foreign-born
- 4%
- Veterans
- 8.7%Adults 18+
Hispanic or Latino can be of any race. Population history of Lake St. Louis ›
Education in Lake St. Louis
51.7% of adults 25 and older in Lake St. Louis have a bachelor's degree or higher (Missouri: 32.4%), and 17.6% have a graduate or professional degree.
Jobs and commute in Lake St. Louis
- Unemployment rate
- 4.7%State: 4%
- Average commute
- 26 minState: 24 min
- Work from home
- 21.9%
- Drive alone
- 71.3%
- Public transit
- 0%
- Walk to work
- 0.5%
- Homes with broadband
- 98.3%
Lake St. Louis vs nearby towns
| Town | Population | Median income | Home value | Rent |
|---|---|---|---|---|
| Lake St. Louis | 18,066 | $125,693 | $405,900 | $1,588 |
| O'Fallon | 93,801 | $110,443 | $326,200 | $1,443 |
| Josephville | 664 | $107,708 | $494,600 | $852 |
| Dardenne Prairie | 13,503 | $152,500 | $432,000 | $1,444 |
| Wentzville | 47,061 | $112,394 | $331,300 | $1,345 |
| St. Paul | 3,456 | $159,022 | $443,600 | $975 |
| New Melle | 452 | $114,375 | $397,800 | — |
| Cottleville | 5,937 | $131,310 | $435,400 | $1,624 |
| Flint Hill | 583 | $130,208 | $475,500 | $1,611 |
More for people moving to Lake St. Louis
Lake St. Louis ZIP code ›Weather and climate ›Living in Lake St. Louis: FAQ
What is the median household income in Lake St. Louis, MO?
The median household income in Lake St. Louis is $125,693, 78% higher than the Missouri median of $70,702 (U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024).
What is the average home price in Lake St. Louis?
The median home value in Lake St. Louis is $405,900, compared with $230,300 in Missouri.
How much is rent in Lake St. Louis?
The median gross rent in Lake St. Louis is $1,588 per month, about 22.7% of household income.
Is Lake St. Louis, MO a good place to live?
Pluses: median household income 78% higher than the Missouri median; a poverty rate of 4.3%. Minuses: home values 76% higher than the state median; an average commute of 26 minutes; unemployment of 4.7%.
What is the median age in Lake St. Louis?
The median age in Lake St. Louis is 42.7 years (Missouri: 39).
How long is the commute in Lake St. Louis?
The average commute to work in Lake St. Louis is 26 minutes; 21.9% of workers work from home.
What is the unemployment rate in Lake St. Louis?
The unemployment rate in Lake St. Louis is 4.7% (U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024).
How educated is Lake St. Louis?
51.7% of adults in Lake St. Louis have a bachelor's degree or higher.
Source: U.S. Census Bureau, American Community Survey 5-year estimates 2020–2024 (margins of error apply, especially in small towns). Figures are in 2024 dollars.
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