Eureka, Illinois

Eureka
City
Eureka College Administration Building
Location of Eureka in Woodford County, Illinois.
Location of Illinois in the United States
Coordinates: 40°42′56″N 89°16′31″W / 40.71556°N 89.27528°W / 40.71556; -89.27528
Country	United States
State	Illinois
County	Woodford
Government
• Mayor	Eric Lind
Area [1]
• Total	2.73 sq mi (7.08 km2)
• Land	2.68 sq mi (6.95 km2)
• Water	0.05 sq mi (0.12 km2)
Elevation	768 ft (234 m)
Population  (2020)
• Total	5,227
• Density	1,947.47/sq mi (751.86/km2)
Time zone	UTC-6 (CST)
• Summer (DST)	UTC-5 (CDT)
ZIP Code(s)	61530
Area code	309
FIPS code	17-24543
GNIS ID	2394706
Website	www.eurekaillinois.net

Eureka is a city and the county seat of Woodford County, Illinois. The population was 5,295 at the 2010 census.^[2] Eureka is part of the Peoria, Illinois Metropolitan Statistical Area.

Eureka is a small community centered on the intersection of what is now U.S. 24 and Illinois 117. It is also one of the towns along the Ronald Reagan Trail, a series of roads that connect towns in central Illinois that were of importance to Reagan's early life. President Reagan attended and graduated from Eureka College.