| City : | St. Ignatius Town |
| County : | Kittitas County, Lake County |
| State : | Montana (MT) |
| | |
| Land Area : | 0.56 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 47.3182591 |
| Longitude : | -114.0953993 |
| | |
| Population (2010): | 842 |
| Population Estimate (2012) : | 792 |
| Population Density : | 1,494.61/sq mi |
| Housing Units (2012) : | 369 |
| Median Household Income (2012) : | $29,688 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $55,938 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $112,100 (Montana : $183,000, USA : $181,400) |