| Zip Code : | 59231 |
| City : | St. Marie |
| County : | Valley County |
| State : | Montana (MT) |
| | |
| Land Area : | 1.99 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 48.3980529 |
| Longitude : | -106.5478590 |
| | |
| Population (2010): | 264 |
| Population Estimate (2012) : | 303 |
| Population Density : | 132.36/sq mi |
| Housing Units (2012) : | 1,001 |
| 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) |