| Place tags |
| census:population | 588;2006 |
| elevation (m) | 215 |
| gnis:county | Knox |
| gnis:county_num | 095 |
| gnis:st_alpha | IL |
| gnis:st_num | 17 |
| gnis:feature_id | 421213 |
| name | Williamsfield |
| place type | Villages |
| population | 588 |
| wikidata | Q2331025 |
| wikipedia | en:Williamsfield, Illinois |