| County : | Custer County |
| State : | Idaho (ID) |
| Land Area : | 4,920.91 sq mi |
| Water Area : | 16.37 sq mi |
| Latitude : | 44.2733408 |
| Longitude : | -114.2522508 |
| Population (2010): | 4,368 |
| Population Estimate (2012) : | 4,338 |
| Population Density : | 0.89/sq mi |
| Housing Units (2012) : | 3,103 |
| Median Household Income (2012) : | $41,698 (Idaho : $47,015, USA : $53,046) |
| Median Family Income (2012) : | $62,000 (Idaho : $55,636, USA : $64,585) |
| Median House Price (2012) : | $154,500 (Idaho : $167,100, USA : $181,400) |
Custer County Cities / Towns
| Challis City (1,081) | Clayton City (7) | Lost River City (68) |
| Mackay City (517) | Stanley City (63) |
Custer County Zip Codes
| 83226 (2,504) | 83227 (142) | 83235 (99) |
| 83251 (1,097) | 83253 (165) | 83255 (1,213) |
| 83278 (186) |