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About Peoria

Peoria is the county seat of Peoria County, Illinois, and the largest city on the Illinois River. As of the 2010 census, the city had a population of 115,007, making it the eighth-most populated in Illinois, the second-largest city in Central Illinois after the state capital, Springfield, and the third largest outside the Chicago metropolitan area. It is the principal city of the Peoria Metropolitan Area in Central Illinois, consisting of the counties of Marshall, Peoria, Stark, Tazewell, and Woodford, which had a population of 373,590 in 2011. The Peoria Metro Area is the third largest MSA in Illinois after Chicago and Metro East (St. Louis MSA Illinois portion).

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