| City : | Rocky Boy's Agency |
| County : | Carbon County, Fairfield County, Hill County, Ionia County, Kiowa County, Monmouth County, Traill County |
| State : | Montana (MT) |
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| Land Area : | 8.58 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 48.2608988 |
| Longitude : | -109.7738805 |
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| Population (2010): | 355 |
| Population Estimate (2012) : | 360 |
| Population Density : | 41.35/sq mi |
| Housing Units (2012) : | 105 |
| Median Household Income (2012) : | $62,917 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $95,938 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $68,600 (Montana : $183,000, USA : $181,400) |