Peoria County, Illinois
Digital Passport
Nomenclature and Geography
Category: Region / Subdivision
Summary
Peoria County is located in the state of Illinois and was established in 1825 from Fulton County. Named after the Peoria tribe of the Illiniwek people, it initially encompassed a large area of the Illinois River valley. Peoria serves as the county seat and is a key part of the Peoria metropolitan area.
Statistics
Area
1,634.00 km²
Population
181,830