St. Marys city, Kansas
Official LSAD Designation: St. Marys city • Census GEOID: 2062400
• Pottawatomie County
St. Marys city is an incorporated city in Pottawatomie County, Kansas. According to official records from the Census (2025), St. Marys city had an estimated population of 2,790 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Marys city (GEOID 2062400).
Local Government Administration U.S. Census Bureau GMAF
City Of St Marys
Municipal
Official Title:
City Manager
Address:
PO BOX 130, SAINT MARYS KS 66536-0130
County Of Pottawatomie
County
Official Title:
County Clerk
Address:
PO BOX 187, WESTMORELAND KS 66549-0187
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 2,790 | 2025 |
| Median Household Income | $76,771 | 2020-2024 |
| Median Home Value | $206,900 | 2020-2024 |
| Land Area | 1.18 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).