Lake St. Louis, Missouri
Lake St. Louis | |
|---|---|
Lake St. Louis in 2025 | |
Location in the state of Missouri | |
| Coordinates: 38°47′12″N 90°46′48″W / 38.78667°N 90.78000°W | |
| Country | United States |
| State | Missouri |
| County | St. Charles |
| Area | |
• Total | 9.35 sq mi (24.22 km2) |
| • Land | 8.54 sq mi (22.12 km2) |
| • Water | 0.81 sq mi (2.10 km2) |
| Elevation | 584 ft (172 m) |
| Population (2020) | |
• Total | 16,707 |
| • Density | 1,956.32/sq mi (755.32/km2) |
| Time zone | UTC-6 (CST) |
| • Summer (DST) | UTC-5 (CDT) |
| ZIP code | 63367 |
| Area code | 636 |
| FIPS code | 29-40043 |
| GNIS feature ID | 2395600 |
| Website | http://www.lakesaintlouis.com/ |
The City of Lake St. Louis is a planned community, and suburb of greater St. Louis, situated around two lakes between Interstate 70 and Interstate 64 in western St. Charles County, Missouri, United States. The population was 16,707 as of the 2020 US Census. Lake St. Louis is 43 miles (69 km) from the city of St. Louis.