| City : | Lost River City |
| County : | Custer County |
| State : | Idaho (ID) |
| Land Area : | 8.69 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 43.6887749 |
| Longitude : | -113.6316138 |
| Population (2010): | 68 |
| Population Estimate (2012) : | 19 |
| Population Density : | 7.82/sq mi |
| Housing Units (2012) : | 30 |
| Median Household Income (2012) : | $0 (Idaho : $47,015, USA : $53,046) |
| Median Family Income (2012) : | $0 (Idaho : $55,636, USA : $64,585) |
| Median House Price (2012) : | $0 (Idaho : $167,100, USA : $181,400) |
Lost River City Zip Codes
| 83255 (1,213) |