Anthem is a planned community and census-designated place in Maricopa County, Arizona, United States, within the Phoenix Metropolitan Area. As of the 2020 census, the population of Anthem was 23,190. Anthem was developed by Del Webb in 1998 as a master-planned community in the foothills approximately 30 miles north of downtown Phoenix. Anthem …Anthem is a planned community and census-designated place in Maricopa County, Arizona, United States, within the Phoenix Metropolitan Area. As of the 2020 census, the population of Anthem was 23,190. Anthem was developed by Del Webb in 1998 as a master-planned community in the foothills approximately 30 miles north of downtown Phoenix. Anthem has been described as one of the best places to raise a family by Parenting magazine and one of the best family friendly neighborhoods in the Phoenix area by Phoenix Magazine.