Pinal County is a county in the central part of the U.S. state of Arizona. According to the 2020 census, the population of the county was 425,264, making it Arizona's third-most populous county. The county seat is Florence. The county was established in 1875.
Country: United States
State: Arizona
Founded: February 1, 1875
Named for: Pinal Peak
Seat: Florence
Largest municipality: San Tan Valley · Maricopa (incorporated)
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