| Zip Code : | 61277 |
| City : | Lyndon village, Prophetstown city |
| County : | Henry County, Whiteside County |
| State : | Illinois (IL) |
| | |
| Land Area : | 126.60 sq mi |
| Water Area : | 0.94 sq mi |
| Latitude : | 41.6135825 |
| Longitude : | -89.9305782 |
| | |
| Population (2010): | 3,355 |
| Population Estimate (2012) : | 3,074 |
| Population Density : | 26.50/sq mi |
| Housing Units (2012) : | 1,490 |
| Median Household Income (2012) : | $48,646 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $67,644 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $103,600 (Illinois : $190,800, USA : $181,400) |