There are 24 zip codes in Pinal County, Arizona. The most populated is 85122, located in Casa Grande. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
8512255,919Casa Grande
8513849,220Maricopa
8514048,743San Tan Valley
8514339,622San Tan Valley
8513238,160Florence
8512029,623Apache Junction
8511924,051Apache Junction
8513919,307Maricopa
8513117,695Eloy
8512817,659Coolidge
8511812,959Gold Canyon
851238,766Casa Grande
851947,532Casa Grande
851935,424Casa Grande
856234,887Oracle
851474,538Sacaton
856313,555San Manuel
851453,173Red Rock
851372,651Kearny
851732,639Superior
851211,835Bapchule
851721,564Stanfield
856181,268Mammoth
85141311Picacho
showing: 24 rows

Zip Codes in Pinal County, Arizona by Population (2024)