Atascosa County ( ) is a county located in the U.S. state of Texas. It is in South Texas and its county seat is Jourdanton.
As of the 2020 United States Census, its population was 48,981. Atascosa County is part of the San Antonio-New Braunfels metropolitan statistical area.
History
In 1856, the Texas Legislature established Atascosa County from portions of Bexar County and named it for the Atascosa River.
Geography
According to the United States Census Bureau, the county has a total area of , of which (0.2%) are covered by water.
The county contains rolling hills and knolls, sloped to the southeast. It is drained by the Atascosa River, which exits the county at its southeastern corner. The highest point is a localized hill near the northeastern border with Bexar County, between Lytle and Somerset in Bexar, at above sea level.
Major highways
- 20px Interstate 35
- 20px Interstate 37
- 25px U.S. Highway 281
- 20px State Highway 16
- 20px State Highway 85
- 20px State Highway 97
Adjacent counties
- Bexar County - north
- Wilson County - northeast
- Karnes County - east
- Live Oak County - southeast
- McMullen County - south
- La Salle County - southwest
- Frio County - west
- Medina County - northwest