Jourdanton (/ˈdʒɜːrdəntən/ JUR-dən-tən) is a city in and the county seat of Atascosa County, Texas, United States. The population was 3,871 at the 2010 census. It is part of the San Antonio Metropolitan Statistical Area. The Mayor is Robert "Doc" Williams. The City Manager is Lamar Schulz. The Police Chief is Eric Kaiser. The Volunteer Fire Chief is Jay Fojtik.