West Alton, MO ZIP code
The ZIP code for West Alton, Missouri is 63386. It is in St. Charles County.
- Population in these ZIPs
- 482
- Avg. median income
- $110,300population-weighted
- Typical home value
- $169,700population-weighted
- Metro area
- St. Louis, MO-IL
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West Alton, MO ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 63386 | 482 | $110,250 | $169,700 |
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 West Alton
- Florissant 9 mi
- Portage Des Sioux 10 mi
- Hazelwood 11 mi
- Bridgeton 13 mi
- Saint Ann 13 mi
- Maryland Heights 16 mi
- Saint Louis 16 mi
- Saint Charles 19 mi
- Saint Peters 22 mi
- Fenton 24 mi
- Chesterfield 25 mi
- Ballwin 26 mi
Frequently asked questions
What is the ZIP code for West Alton, MO?
The ZIP code for West Alton, MO is 63386.
What county is West Alton, Missouri in?
West Alton ZIP codes are in St. Charles County.