| City : | St. Marie |
| County : | Apache County, Bergen County, Creek County, Mineral County, Tulsa County, Valley County |
| State : | Montana (MT) |
| | |
| Land Area : | 22.87 sq mi |
| Water Area : | 0.03 sq mi |
| Latitude : | 48.4049450 |
| Longitude : | -106.5020858 |
| | |
| Population (2010): | 264 |
| Population Estimate (2012) : | 303 |
| Population Density : | 11.55/sq mi |
| Housing Units (2012) : | 1,084 |
| Median Household Income (2012) : | $36,700 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $50,139 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $27,500 (Montana : $183,000, USA : $181,400) |