Williamsfield ZIP code, Illinois
The ZIP code for Williamsfield, IL is 61489, and its area code is 309.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 531
- Area code
- 309
- County
- Knox County
- State
- Illinois
Mail addressed to Williamsfield uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
Williamsfield in numbers
About 531 people live in Williamsfield, in 219 households. The median household income is $82,417 a year, about the same as the Illinois median of $83,390 (US: $80,734). The median owner-occupied home is valued at $109,800 (58% below the Illinois median), and median gross rent is $617 a month. The median age is 44.6; 19.5% of adults 25 and over hold a bachelor's degree or higher (37.8% across Illinois); the average commute takes 22 minutes.
| Population | 531 |
|---|---|
| Households | 219 |
| Median age | 44.6 |
| Median household income | $82,417 |
| Median home value | $109,800 |
| Median gross rent | $617 |
| Bachelor's degree or higher | 19.5% |
| Mean commute | 22.4 min |
| Population density | 431 / sq mi |
U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Williamsfield village. Survey estimates carry margins of error, wider for small places. Sources and methods.
ZIP codes addressed as Williamsfield
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
61489 | Williamsfield , IL | Standard | 820 | $98,125 | $148,500 |
Other ZIP codes overlapping Williamsfield
These ZIP codes cover part of Williamsfield but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
61428 | Dahinda , IL | Standard | 1,278 | $77,143 | $285,100 |
Map of Williamsfield ZIP codes
The ZIP codes of Williamsfield, IL, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Williamsfield
The nearest larger towns are Oak Run (800 people, 6.3 mi), Brimfield (750 people, 9.5 mi) and Elmwood (2,327 people, 10 mi).
| Town | Population | Distance |
|---|---|---|
| Knoxville | 3,211 | 14.0 mi |
| Galesburg | 29,481 | 18.8 mi |
| Abingdon | 3,443 | 21.7 mi |
| Kewanee | 11,913 | 22.1 mi |
| Peoria | 112,169 | 24.2 mi |
| Canton | 13,144 | 25.1 mi |
| West Peoria | 4,238 | 25.3 mi |
| Peoria Heights | 5,825 | 26.5 mi |
| Chillicothe | 5,900 | 26.9 mi |
| Bartonville | 5,841 | 27.2 mi |
| Creve Coeur | 4,621 | 29.5 mi |
More nearby: every ZIP code in Knox County · Illinois ZIP codes
Cite this page
zipcodes.pro. “Williamsfield, IL ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/il/williamsfield
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