ZIP codes
1
Lake St. Louis, MO Demographics & ZIP Codes
Lake St. Louis, Missouri demographics and median household income by ZIP code (in St. Charles County) — 1 ZIP codes — population 27,893 — median income $134,932 — avg. home value $381,000. Compare income, housing, and population across ZIP codes on US5.
Population
27,893
Median household income (avg.)
$134,932
180% of U.S. median
Average home value
$381,000
109% of U.S. median
Average rent
$1,424
122% of U.S. median
Median age (avg.)
39.7
Lake St. Louis demographics
Lake St. Louis, Missouri covers 1 ZIP code primarily in St. Charles County, with a combined ZIP-area population of about 27,893.
Across ZIP codes with age data, the average median age is about 39.7 years.
Median household income in Lake St. Louis
The average median household income across ZIP codes in Lake St. Louis, Missouri is about $134,932 — about 106% above the MO ZIP average ($65,505), and about 80% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $134,932 in 63367.
Housing in Lake St. Louis
For housing in Lake St. Louis, Missouri, the average median home value is about $381,000 and the average median rent is about $1,424.
The most populous ZIP in this set is 63367 (about 27,893 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Lake St. Louis
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 63367 | Lake St. Louis | St. Charles County | MO | 27,893 | $134,932 | $381,000 |
Frequently asked questions
What are the demographics of Lake St. Louis?
Lake St. Louis, Missouri has a combined ZIP-area population of about 27,893 across 1 ZIP codes (primarily St. Charles County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Lake St. Louis?
The average median household income across ZIP codes in Lake St. Louis, Missouri is about $134,932, about 106% above the state ZIP average ($65,505), and about 80% above the U.S. median ($75,149). Average median home value is about $381,000.
How many ZIP codes are in Lake St. Louis?
Lake St. Louis, Missouri includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Lake St. Louis?
This page lists ZIP codes in Lake St. Louis, Missouri with population, median household income, and home value. Select a ZIP for a full demographics profile.