| City : | Williamsfield Village |
| County : | Knox County |
| State : | Illinois (IL) |
| Land Area : | 1.27 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 40.9266077 |
| Longitude : | -90.0181772 |
| Population (2010): | 578 |
| Population Estimate (2012) : | 608 |
| Population Density : | 455.06/sq mi |
| Housing Units (2012) : | 259 |
| Median Household Income (2012) : | $46,071 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $56,667 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $75,600 (Illinois : $190,800, USA : $181,400) |