| County : | Custer County |
| State : | Montana (MT) |
| Land Area : | 3,783.34 sq mi |
| Water Area : | 9.86 sq mi |
| Latitude : | 46.2614807 |
| Longitude : | -105.5505080 |
| Population (2010): | 11,699 |
| Population Estimate (2012) : | 11,706 |
| Population Density : | 3.09/sq mi |
| Housing Units (2012) : | 5,560 |
| Median Household Income (2012) : | $43,232 (Montana : $45,456, USA : $53,046) |
| Median Family Income (2012) : | $57,008 (Montana : $58,951, USA : $64,585) |
| Median House Price (2012) : | $104,200 (Montana : $183,000, USA : $181,400) |
Custer County Cities / Towns
| Ismay Town (19) | Miles City (8,410) |
Custer County Zip Codes
| 59301 (11,404) | 59336 (192) | 59338 (142) |
| 59347 (321) | 59349 (913) | 59351 (200) |