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The Town of Fountain Hills has seen rapid population growth over the last four decades from just short of 3,000 residents in 1980 to over 23,000 in 2022. Since 2010, the Town has averaged about 1.3% annual growth. Maricopa County remains the fastest growing county in the United States with nearly 60,000 new residents moving to the region annually. Below highlights the Census Quick Facts for Fountain Hills.