Healdton is a city in Carter County, Oklahoma, United States. Its population was 2,788 at the 2010 census. It is part of the Ardmore micropolitan statistical area.

Carter County is a county in the U.S. state of Oklahoma. As of the 2020 census, the population was 48,003. Its county seat is Ardmore. The county was named for Captain Ben W. Carter, a Cherokee who lived among the Chickasaw.