St. Marys city, Iowa
Official LSAD Designation: St. Marys city • Census GEOID: 1970095
• Warren County
St. Marys city is an incorporated city in Warren County, Iowa. According to official records from the Census (2025), St. Marys city had an estimated population of 124 residents. Official Census Bureau geographic records classify this community under LSAD designation St. Marys city (GEOID 1970095).
Local Government Administration U.S. Census Bureau GMAF
City Of St Marys
Municipal
Official Title:
Mayor
Address:
PO BOX 47, SAINT MARYS IA 50241-0047
County Of Warren
County
Official Title:
Budget Director
Address:
301 N BUXTON ST, STE 101, INDIANOLA IA 50125-1800
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 124 | 2025 |
| Median Household Income | $77,500 | 2020-2024 |
| Median Home Value | $195,000 | 2020-2024 |
| Land Area | 0.14 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).