Peoria is a city in Maricopa and Yavapai counties in the state of Arizona. Most of the city is located in Maricopa County, while a tiny portion in the north is in Yavapai County. It is a major suburb of Phoenix. According to 2019 Census Bureau estimates, the population of the city is 175,961. Peoria is currently the sixth-largest city in Arizona in land area and the ninth-largest in population. It was named after Peoria, Illinois. The word "peoria"... Show more

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