Castleton, IL ZIP Codes, Coordinates & Counties
Castleton, Illinois has 1 ZIP code in Stark county. The approximate center of Castleton is 41.12, -89.707. Castleton has about 1 known street addresses.
ZIP codes in Castleton, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61426 | Stark | 41.12 | -89.707 |
Counties Castleton spans
Stark
Most common streets in Castleton
Main
Frequently asked questions
What ZIP codes are in Castleton, IL?
Castleton, Illinois has 1 ZIP code, ranging from 61426 to 61426. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Castleton, IL in?
Castleton is in Stark county.
What are the latitude and longitude of Castleton, IL?
The approximate center of Castleton, Illinois is latitude 41.12, longitude -89.707. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Castleton, IL have?
Castleton has 1 ZIP code.
How many addresses are in Castleton, IL?
Castleton, Illinois has about 1 known street addresses in the sthan.io US address database.
What are the most common streets in Castleton, IL?
Some of the most common street names in Castleton are Main.
What cities are near Castleton, IL?
Cities near Castleton include Wyoming (4 mi), Bradford (5 mi), Camp Grove (5 mi), Speer (9 mi), Toulon (9 mi).
Cities near Castleton
Wyoming, IL (4 mi) Bradford, IL (5 mi) Camp Grove, IL (5 mi) Speer, IL (9 mi) Toulon, IL (9 mi) Buda, IL (12 mi) Neponset, IL (12 mi) Sparland, IL (12 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database