| City : | St. Marys City |
| County : | Pottawatomie County, Rankin County |
| State : | Kansas (KS) |
| | |
| Land Area : | 1.18 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 39.1942183 |
| Longitude : | -96.0646451 |
| | |
| Population (2010): | 2,627 |
| Population Estimate (2012) : | 2,831 |
| Population Density : | 2,218.19/sq mi |
| Housing Units (2012) : | 900 |
| Median Household Income (2012) : | $47,452 (Kansas : $51,273, USA : $53,046) |
| Median Family Income (2012) : | $58,558 (Kansas : $64,731, USA : $64,585) |
| Median House Price (2012) : | $134,400 (Kansas : $127,400, USA : $181,400) |