Lake Saint Louis, MO ZIP code
The ZIP code for Lake Saint Louis (also written Lake St Louis), Missouri is 63367. It is in St. Charles County.
- Population in these ZIPs
- 29,725
- Avg. median income
- $137,600population-weighted
- Typical home value
- $442,800population-weighted
- Metro area
- St. Louis, MO-IL
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Lake Saint Louis, MO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 63367 | 29,725 | $137,648 | $442,800 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Lake Saint Louis
- Wentzville 4 mi
- O Fallon 4 mi
- New Melle 6 mi
- Defiance 8 mi
- Foristell 8 mi
- Saint Peters 10 mi
- Old Monroe 11 mi
- Moscow Mills 12 mi
- Saint Albans 13 mi
- Wright City 13 mi
- Augusta 13 mi
- Saint Charles 14 mi
Frequently asked questions
What is the ZIP code for Lake Saint Louis, MO?
The ZIP code for Lake Saint Louis, MO is 63367.
What county is Lake Saint Louis, Missouri in?
Lake Saint Louis ZIP codes are in St. Charles County.