Peoria County ILGenWeb

Peoria is a city in and the county seat of Peoria County, Illinois, United States, and the largest city on the Illinois River. Established in 1691 by the French explorer Henri de Tonti, Peoria is the oldest European settlement in Illinois, and is named after the Peoria tribe.

We are always looking for new information to add to the web site, so if you have anything you are willing to share, please let us know.

 This county is up for adoption and needs a new county coordinator! Are you interested in Peoria County Genealogy and helping other researchers? Then you may be the perfect fit to be the new county coordinator! See the ILGenWeb adoption page for more information!

What's New

19 Nov. 2019

17 Nov. 2019


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