ZIP code · Saint Louis · Missouri · United States
ZIP code 63138 — Saint Louis
ZIP code 63138 serves Saint Louis, Missouri.
- Postal code
- 63138Single source Value from one source, not cross-checked.
- City
- Saint Louis
- County
- St. Louis
- State
- Missouri
- Country
- United States
- Coordinates
- 38.8033, -90.2065 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 18,736 (ZCTA, ACS 5-year)
- Median household income
- $51,714
- Median age
- 34.5
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · census-acs5. Data generated on 2026-08-21. Methodology · Report an error on this page