| City : | Prophetstown City |
| County : | Whiteside County |
| State : | Illinois (IL) |
| | |
| Land Area : | 1.37 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 41.6703247 |
| Longitude : | -89.9351535 |
| | |
| Population (2010): | 2,080 |
| Population Estimate (2012) : | 2,133 |
| Population Density : | 1,517.15/sq mi |
| Housing Units (2012) : | 908 |
| Median Household Income (2012) : | $45,667 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $54,886 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $90,700 (Illinois : $190,800, USA : $181,400) |