Eureka, Illinois
Eureka is a city in Woodford County, Illinois, with an estimated population of 5,186 in 2023. It sits at 40.7140, -89.2770 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Eureka |
| Type | city |
| State | Illinois (IL) |
| County | Woodford County |
| Population (2023 est.) | 5,186 |
| Land area | 2.74 sq mi (7.09 km²) |
| Coordinates | 40.7140, -89.2770 |
| Time zone | America/Chicago |
| ZIP codes | 61530 |
ZIP codes and area codes for Eureka
Eureka covers 1 ZIP code: 61530. Browse all ZIP codes in Illinois for the full list.
Where is Eureka?
Eureka is located in Illinois, in Woodford County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Goodfield 9 km · ILDeer Creek 10 km · ILRoanoke 11 km · ILMetamora 12 km · ILSecor 12 km · ILCongerville 12 km · ILWashington 13 km · ILGermantown Hills 17 km · IL
Other places in Woodford County
Metamora 3,871Germantown Hills 3,440El Paso 2,735Roanoke 1,934Minonk 1,902Washburn 1,020Goodfield 961Congerville 506Spring Bay 478Benson 406
Frequently asked questions
What county is Eureka, IL in?
Eureka is in Woodford County, Illinois.
What is the population of Eureka, IL?
The 2023 Census Bureau estimate is 5,186.
What time zone is Eureka in?
Eureka is in the America/Chicago time zone.