| City : | Rock River Town |
| County : | Albany County, Marshall County |
| State : | Wyoming (WY) |
| | |
| Land Area : | 2.33 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.7317389 |
| Longitude : | -105.9751465 |
| | |
| Population (2010): | 245 |
| Population Estimate (2012) : | 264 |
| Population Density : | 105.31/sq mi |
| Housing Units (2012) : | 126 |
| Median Household Income (2012) : | $55,000 (Wyoming : $56,573, USA : $53,046) |
| Median Family Income (2012) : | $56,750 (Wyoming : $70,013, USA : $64,585) |
| Median House Price (2012) : | $86,000 (Wyoming : $184,400, USA : $181,400) |