Jourdanton was founded in 1909 and was named after founder Jourdan Campbell. The county seat was moved from Pleasanton to Jourdanton in 1910. Locals pronounce the town name as (jur-dun-ton). The Mayor of Jourdanton is Larry Pryor. The City Administrator is Dan Nick. The Chief of Police is Eric Kaiser. The Volunteer Fire Chief is David Prasifka. Jourdanton is a General Law Type A form of government as per the Texas Local Government Code. Jourdanton is a city in and the county seat of Atascosa County, Texas, United States. The population was 3,732 at the 2000 census. It is part of the San Antonio Metropolitan Statistical Area.