The Peoria County Courthouse is located at 324 Main street, Peoria IL 61602; phone: 309-672-6056.
Peoria County was established in 1825. The population at that time was 1,236. The city of Peoria was platted in 1825, incorporated as a village in 1835 and as a city in 1845.
Photo: Judge Jacob Gale House, circa 1840, located at 403 N.E. Jefferson Avenue, Peoria, IL Listed on the National Register of Historic Places in 1982. Photographed by User:Mmikhailova (own work), 2012, [cc-3.0], via Wikimedia Commons, accessed September, 2021.
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