The Superstition Mountains are a key geographic feature in northern Pinal, and the
county is also home to Boyce Thompson Arboretum, Lost Dutchman State Park,
Casa Grande Ruins National Monument, and Picacho Peak State Park.
Today, Pinal County is the third most populous county in Arizona and has the fastest rate
of growth (in terms of percentage increase) of all counties in the state. Between the
years 2000 and 2010, it experienced a record growth rate, with an increase in population
of 109 percent between. According to U.S. Census Bureau estimates, the population
grew by eight percent from 2010 to 2017, reaching a total of 405,537 people. Much of
this growth is due to the county’s proximity to the Phoenix Metropolitan Area which also
experienced notable growth from 2010 to 2017; Maricopa County’s population grew by
an estimated 12.8 percent, and Pima County’s population grew by an estimated
4.3 percent.
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Community Profiles