Is Pinal County Jail Dangerous, Pinal County, formed in February 1875, comprises 5,376 square miles. Mar 25, 2026 · Latest news in Pinal County, Arizona | Maricopa, Casa Grande, Apache Junction, and San Tan Valley. Pinal County has five cities: Maricopa, Casa Grande, Apache Junction, Eloy, and Coolidge. Pinal County, formed in February 1875, comprises 5,376 square miles. . For Environmental Health permits, please visit the Pinal County webpage. Stay informed, stay connected. Our primary mission is to locate, identify and appraise at current market value, locally assessed property in Pinal County for ad valorem tax purposes (taxation based on the value of property). Nestled between Maricopa County (Phoenix) and Pima County (Tucson), Pinal County is home to over 439,128 residents. There are also many unincorporated areas, which have shown accelerated growth patterns in recent years. tm5y, es, zs1jc6, myqd0, 2y, m7d0, qdd5m, 9te, uer, wi,