Atascosa County, Texas

Atascosa County, Texas
County
The Atascosa County Courthouse in Jourdanton
Location within the U.S. state of Texas
Coordinates: 28°53′N 98°32′W / 28.89°N 98.53°W / 28.89; -98.53
Country United States
State Texas
Founded1856
Named afterAtascosa River
SeatJourdanton
Largest cityPleasanton
Area
 • Total
1,221 sq mi (3,160 km2)
 • Land1,210 sq mi (3,100 km2)
 • Water1.9 sq mi (4.9 km2)  0.2%
Population
 (2020)
 • Total
48,981
 • Density40.2/sq mi (15.5/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district28th
Websiteco.atascosa.tx.us

Atascosa County (/ˌætəsˈksə/ AT-əs-KOH-sə) 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.