THE FRIO COUNTY LAND BRIEF
Land in the
Texas-Tamaulipan Thornscrub setting.
Frio County has 1,133.5 square miles of land in Texas. 2 mapped landscape regions meet across Frio County: Texas-Tamaulipan Thornscrub, Northern Nueces Alluvial Plains.
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
Frio County intersects 2 mapped regional units. The largest mapped shares are:
- Texas-Tamaulipan Thornscrub59.5%
- Northern Nueces Alluvial Plains40.5%
Finding your parcel within Frio County
The atlas lists 6 cities, towns, townships, and Census communities associated with Frio County, including Bigfoot, Pearsall, Moore. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Frio County by land and water
The Census records 0.85 square miles of water within Frio County, or 0.1% of its total area. That share is close to Frio County’s 0.1%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Frio County has 173.1 times the land area of nearby Pearsall city (6.55 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Atascosa County, Dimmit County, La Salle County, Medina County, Uvalde County, Zavala County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

