| City : | Eureka Town |
| County : | Crawford County, Hamilton County, Honolulu County, Lincoln County, Osage County, Somerset County, Weber County |
| State : | Montana (MT) |
| | |
| Land Area : | 1.01 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 48.8763300 |
| Longitude : | -115.0475328 |
| | |
| Population (2010): | 1,037 |
| Population Estimate (2012) : | 1,123 |
| Population Density : | 1,022.22/sq mi |
| Housing Units (2012) : | 495 |
| Median Household Income (2012) : | $24,611 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $25,994 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $125,900 (Montana : $183,000, USA : $181,400) |