| City : | Rock Hill City |
| County : | El Paso County, St. Louis County |
| State : | Missouri (MO) |
| | |
| Land Area : | 1.09 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 38.6089922 |
| Longitude : | -90.3673344 |
| | |
| Population (2010): | 4,635 |
| Population Estimate (2012) : | 4,628 |
| Population Density : | 4,238.69/sq mi |
| Housing Units (2012) : | 2,217 |
| Median Household Income (2012) : | $52,652 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $77,612 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $181,500 (Missouri : $138,400, USA : $181,400) |