St. Johns is a census-designated place (CDP) in Maricopa County, Arizona, United States, located in the Gila River Indian Community. The population was 690 at the 2020 census, up from 476 at the 2010 census.
Geography St. Johns is on the south side of the Phoenix metropolitan area, on the northeast side of the valley of the Gila River. It is bordered to the southeast by the communities of Komatke and Gila Crossing. Downtown Phoenix is to the northeast.
Demographics As of the censusUnited States Census of 2010, there were 476 people living in the CDP. The population density was 208.7 people per square mile. The racial makeup of the CDP was 3% White, <1% Black or African American, 95% Native American, 1% from other races, and 1% from two or more races. 4% of the population were Hispanic or Latino of any race.
Education It is not in any school district. - Text list - 2020 map shows the same information (see pages 6-7, PDF pp. 7-8/11) but without labeling the lack of a school district. The K-8 tribal school Gila Crossing Community School, affiliated with the Bureau of Indian Education, is in nearby Komatke. – See Census Bureau map
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