Kingfisher is a city in and the county seat of Kingfisher County, Oklahoma,. The population was 4,903 at the time of the 2020 census. It is the for…Kingfisher is a city in and the county seat of Kingfisher County, Oklahoma,. The population was 4,903 at the time of the 2020 census. It is the former home and namesake of Kingfisher College. According to the Encyclopedia of Oklahoma History and Culture, Kingfisher is now primarily a bedroom community for people employed in Enid and Oklahoma City.