Jourdanton
- County:
- Atascosa County
- County Seat:
- Yes
- Area (mi²):
- 3.637
- State:
- Texas
Jourdanton is a city located in Atascosa County, Texas. Jourdanton has a 2026 population of 4,569. It is also the county seat of Atascosa County. Jourdanton is currently growing at a rate of 1.74% annually and its population has increased by 7.71% since the most recent census, which recorded a population of 4,242 in 2020.