THE ZAPATA COUNTY LAND BRIEF
Land in the
Texas-Tamaulipan Thornscrub setting.
Zapata County has 998.4 square miles of land in Texas. 2 mapped landscape regions meet across Zapata County: Texas-Tamaulipan Thornscrub, Rio Grande Floodplain and Terraces.
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
Zapata County intersects 2 mapped regional units. The largest mapped shares are:
- Texas-Tamaulipan Thornscrub94.9%
- Rio Grande Floodplain and Terraces5.1%
Finding your parcel within Zapata County
The atlas lists 12 cities, towns, townships, and Census communities associated with Zapata County, including Zapata, Medina, San Ygnacio. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Zapata County by land and water
The Census records 59.6 square miles of water within Zapata County, or 5.6% of its total area. That share is close to Zapata County’s 5.6%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Zapata County has 14,682.6 times the land area of nearby Las Palmas CDP (0.07 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Jim Hogg County, Starr County, Webb County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

