Williamsfield, IL ZIP Codes, Coordinates & Counties
Williamsfield, Illinois has 1 ZIP code in Knox county. The approximate center of Williamsfield is 40.934, -90.028. Williamsfield has about 7,949 known street addresses.
ZIP codes in Williamsfield, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61489 | Knox | 40.934 | -90.028 |
Counties Williamsfield spans
Knox
Most common streets in Williamsfield
Moore, Laura, Armstrong, Knox, Gale, Pine, Parkview, Poplar, Cottonwood, North Park
Frequently asked questions
What ZIP codes are in Williamsfield, IL?
Williamsfield, Illinois has 1 ZIP code, ranging from 61489 to 61489. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Williamsfield, IL in?
Williamsfield is in Knox county.
What are the latitude and longitude of Williamsfield, IL?
The approximate center of Williamsfield, Illinois is latitude 40.934, longitude -90.028. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Williamsfield, IL have?
Williamsfield has 1 ZIP code.
How many addresses are in Williamsfield, IL?
Williamsfield, Illinois has about 7,949 known street addresses in the sthan.io US address database.
What are the most common streets in Williamsfield, IL?
Some of the most common street names in Williamsfield are Moore, Laura, Armstrong, Knox, Gale, Pine.
What cities are near Williamsfield, IL?
Cities near Williamsfield include Dahinda (4 mi), Laura (5 mi), Victoria (7 mi), Yates City (9 mi), Gilson (11 mi).
Cities near Williamsfield
Dahinda, IL (4 mi) Laura, IL (5 mi) Victoria, IL (7 mi) Yates City, IL (9 mi) Gilson, IL (11 mi) Knoxville, IL (11 mi) Elmwood, IL (11 mi) La Fayette, IL (11 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database