Eureka, IL ZIP Codes, Coordinates & Counties
Eureka, Illinois has 1 ZIP code in Woodford county. The approximate center of Eureka is 40.714, -89.26. Eureka has about 29,635 known street addresses.
ZIP codes in Eureka, IL
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 61530 | Woodford | 40.714 | -89.26 |
Counties Eureka spans
Woodford
Most common streets in Eureka
Main, Center, Lake, Irish, Liberty, Clinton, Dennis, James, Oak, Parkview
Frequently asked questions
What ZIP codes are in Eureka, IL?
Eureka, Illinois has 1 ZIP code, ranging from 61530 to 61530. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Eureka, IL in?
Eureka is in Woodford county.
What are the latitude and longitude of Eureka, IL?
The approximate center of Eureka, Illinois is latitude 40.714, longitude -89.26. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Eureka, IL have?
Eureka has 1 ZIP code.
How many addresses are in Eureka, IL?
Eureka, Illinois has about 29,635 known street addresses in the sthan.io US address database.
What are the most common streets in Eureka, IL?
Some of the most common street names in Eureka are Main, Center, Lake, Irish, Liberty, Clinton.
What cities are near Eureka, IL?
Cities near Eureka include Congerville (6 mi), Goodfield (6 mi), Secor (6 mi), Deer Creek (7 mi), Roanoke (7 mi).
Cities near Eureka
Congerville, IL (6 mi) Goodfield, IL (6 mi) Secor, IL (6 mi) Deer Creek, IL (7 mi) Roanoke, IL (7 mi) Washington, IL (8 mi) Carlock, IL (10 mi) Metamora, IL (10 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database