THE ATASCOSA COUNTY LAND BRIEF
Land in the
Texas-Tamaulipan Thornscrub setting.
Atascosa County has 1,219.5 square miles of land in Texas. 4 mapped landscape regions meet across Atascosa County: Texas-Tamaulipan Thornscrub, Southern Post Oak Savanna, Northern Nueces Alluvial Plains, among others.
Rolling to dissected plains support the thorny brush landscape associated with South Texas. Mesquite and other shrubs are prominent within this warm transition between grassland and desert regions.
Regional context: Southern Texas Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Atascosa County intersects 4 mapped regional units. The largest mapped shares are:
- Texas-Tamaulipan Thornscrub52.9%
- Southern Post Oak Savanna46.1%
- Northern Nueces Alluvial Plains0.8%
- Northern Blackland Prairie0.1%
East Central Texas Plains in Atascosa County
The Post Oak Savanna's irregular plains form a transition between open prairie and the Piney Woods. Post oak, grassland and locally dense clay subsoils are characteristic regional elements.
Read the regional source ↗Texas Blackland Prairies in Atascosa County
Fine-textured clay soils distinguish the Blackland Prairie landscape from surrounding Texas regions. Its historic prairie setting now includes a mixture of agricultural areas and expanding developed corridors.
Read the regional source ↗Finding your parcel within Atascosa County
The atlas lists 7 cities, towns, townships, and Census communities associated with Atascosa County, including Pleasanton, Lytle, Leming. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Atascosa County by land and water
The Census records 1.93 square miles of water within Atascosa County, or 0.2% of its total area. That share is close to Atascosa County’s 0.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Atascosa County has 335.3 times the land area of nearby Jourdanton city (3.64 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bexar County, Frio County, Karnes County, La Salle County, Live Oak County, McMullen County, Medina County, Wilson County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

