| Zip Code : | 59749 |
| City : | Alder, Sheridan town |
| County : | Madison County |
| State : | Montana (MT) |
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| Land Area : | 198.01 sq mi |
| Water Area : | 0.14 sq mi |
| Latitude : | 45.4516030 |
| Longitude : | -112.0852601 |
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| Population (2010): | 1,513 |
| Population Estimate (2012) : | 1,468 |
| Population Density : | 7.64/sq mi |
| Housing Units (2012) : | 907 |
| Median Household Income (2012) : | $40,526 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $53,750 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $214,600 (Montana : $183,000, USA : $181,400) |