| Zip Code : | 65401 |
| City : | Doolittle city, Rolla city |
| County : | Dent County, Maries County, Phelps County |
| State : | Missouri (MO) |
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| Land Area : | 264.53 sq mi |
| Water Area : | 0.90 sq mi |
| Latitude : | 37.9000346 |
| Longitude : | -91.7685780 |
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| Population (2010): | 32,383 |
| Population Estimate (2012) : | 32,073 |
| Population Density : | 122.42/sq mi |
| Housing Units (2012) : | 13,795 |
| Median Household Income (2012) : | $40,159 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $55,373 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $113,100 (Missouri : $138,400, USA : $181,400) |