Williamsfield, IL zip code
Williamsfield, Illinois uses one zip code: 61489. Most of it is in Knox County. Together these zip codes are home to about 820 people.
Zip codes
1
Population
820
All zips combined
Largest zip
61489
820 residents
Zip codes in Williamsfield
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61489 | 820 | $98,125 |