Some of the cities, towns, and places in Pinal County are Adamsville, Ak-Chin Village, Alma, American Flag, Apache Junction, Arizola, Arizona City, Bapchule, Barkerville, Blackwater, Burns, Cactus Forest, Campo Bonito, Casa Blanca, Casa Grande, Chuichu, Cochran, Coolidge, Copper Creek, Dudleyville, Eloy, Florence, Gila County, Gold Canyon, Goldfield, Goodyear Village, Kearny, Kelvin, Kohatk, Lower Santan Village, Mammoth, Marana, Maricopa, Maricopa County, Oracle, Picacho, Pima County, Pinal City, Queen Creek, Queen Valley, Randolph, Ray, Ray Junction, Red Rock, Reymert, Riverside, Sacate Village, Sacaton, Sacaton Flats Village, Saddlebrooke, San Manuel, San Tan Valley, Santa Cruz, Santan, Socaton Village, Sonora, Stanfield, Stotonic Village, Superior, Sweet Water Village, Tat Momoli, Tiger, Top-of-the-World, Upper Santan Village, Vaiva Vo, Wet Camp Village, Winkelman
Pinal County is located in the central part of the U.S. state of Arizona. According to U.S. Census Bureau estimates in 2019, the population of the county was 462,789, making it Arizona's third-most populous county. The county seat is Florence. The county was founded in 1875.
Pinal County contains parts of the Tohono Oʼodham Nation, the Gila River Indian Community and the San Carlos Apache Indian Reservation, as well as the entirety of the Ak-Chin Indian Community.
Pinal County is included in the Phoenix–Mesa–Scottsdale, Arizona Metropolitan Statistical Area. Suburban growth southward from greater Phoenix has begun to spread into the northern parts of the county; similarly, growth northward from Tucson is spreading into the southern portions of the county. The Pinal County cities of Maricopa and Casa Grande, as well as many unincorporated areas, have shown accelerated growth patterns in recent years; such suburban development is likely to continue for the foreseeable future.