![]() Photo from Digital-Topo-Maps.com | Watseka, IL 60970 Post Office Location: 205 South Main Street; Iroquois, IL Year Post Office built: Town(s) Served: Watseka Acceptable City Names: Watseka Not Acceptable City Names: Sectional Service Facility: Kankakee County(ies): Iroquois Info on Watseka: The City of Watseka Central Iroquois County. About 5,670 people reside in Watseka (2000 census). It is located on U.S. 24, and Illinois 1. The city was formed in 1865. It was named after a Potawatomi Native American woman. Watseka is the county seat of Iroquois County. |
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