ZIP code · Saint Marys · Kansas · United States
ZIP code 66536 — Saint Marys
ZIP code 66536 serves Saint Marys, Kansas.
- Postal code
- 66536Single source Value from one source, not cross-checked.
- City
- Saint Marys
- County
- Pottawatomie
- State
- Kansas
- Country
- United States
- Coordinates
- 39.1987, -96.0683 — precision precise (locality)
View on OpenStreetMap - Population
- 4,103 (ZCTA, ACS 5-year)
- Median household income
- $78,641
- Median age
- 25.4
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
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 · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page