| Zip Code : | 59531 |
| City : | Joplin |
| County : | Hill County, Liberty County |
| State : | Montana (MT) |
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| Land Area : | 227.66 sq mi |
| Water Area : | 0.10 sq mi |
| Latitude : | 48.7883887 |
| Longitude : | -110.8014122 |
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| Population (2010): | 241 |
| Population Estimate (2012) : | 326 |
| Population Density : | 1.06/sq mi |
| Housing Units (2012) : | 189 |
| Median Household Income (2012) : | $52,500 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $64,167 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $77,600 (Montana : $183,000, USA : $181,400) |