Administrative Manager for Pinal County BOS Mike Goodman
Wide Open Opportunity. Pinal County is located in the central Arizona. As of the 2010 census, the population was 375,770, making it the third-most populous county in Arizona. The county was founded in 1875.\\Pinal County is included in the Phoenix-Mesa-Scottsdale, AZ 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.