| Zip Code : | 61428 |
| City : | Oak Run, Williamsfield village |
| County : | Knox County |
| State : | Illinois (IL) |
| | |
| Land Area : | 32.88 sq mi |
| Water Area : | 0.91 sq mi |
| Latitude : | 40.9438287 |
| Longitude : | -90.1071348 |
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| Population (2010): | 986 |
| Population Estimate (2012) : | 830 |
| Population Density : | 29.98/sq mi |
| Housing Units (2012) : | 903 |
| Median Household Income (2012) : | $62,121 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $71,667 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $173,500 (Illinois : $190,800, USA : $181,400) |