| Zip Code : | 59275 |
| City : | Westby town |
| County : | Sheridan County, Divide County |
| State : | Montana (MT) |
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| Land Area : | 380.96 sq mi |
| Water Area : | 12.23 sq mi |
| Latitude : | 48.8744668 |
| Longitude : | -104.1990158 |
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| Population (2010): | 376 |
| Population Estimate (2012) : | 336 |
| Population Density : | 0.99/sq mi |
| Housing Units (2012) : | 249 |
| Median Household Income (2012) : | $46,250 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $66,875 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $44,200 (Montana : $183,000, USA : $181,400) |