![]() | Eureka, IL 61530 Post Office Location: 106 West Eureka Avenue; Eureka, IL Year Post Office built: Town(s) Served: Eureka Acceptable City Names: Eureka Not Acceptable City Names: Sectional Service Facility: Peoria County(ies): Woodford Info on Eureka: The Village of Eureka was founded in 1855, and is home to Eureka College. Eureka College is where former president Ronald Reagan went to school. It sits on U.S. Rt. 24, Illinois 117, and the Toledo, Peoria, & Western Railroad. Eureka is the county seat of Woodford County. |
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