| City : | Rolla City |
| County : | Phelps County |
| State : | Missouri (MO) |
| Land Area : | 11.83 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 37.9459403 |
| Longitude : | -91.7612025 |
| Population (2010): | 19,559 |
| Population Estimate (2012) : | 19,484 |
| Population Density : | 1,652.93/sq mi |
| Housing Units (2012) : | 8,339 |
| Median Household Income (2012) : | $32,013 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $50,302 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $110,800 (Missouri : $138,400, USA : $181,400) |