Fountain Hills, Arizona, United States [Town]; population was 10,030 in 1990; housing units was 5,061 in 1990; location is 33°36'N 111°44'W; land area is 16.70 square miles (10,691 acres); water area is 0.05 square miles (35 acres); FIPS code is 25300 [SourceCBP]