THE MCMULLEN COUNTY LAND BRIEF
Land in the
Texas-Tamaulipan Thornscrub setting.
McMullen County has 1,139.8 square miles of land in Texas. The mapped landscape region in McMullen County is Texas-Tamaulipan Thornscrub.
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
Finding your parcel within McMullen County
The atlas lists 1 cities, towns, townships, and Census communities associated with McMullen County, including Tilden. The list includes overlapping geography types and does not divide the county into exclusive service areas.
McMullen County by land and water
The Census records 17 square miles of water within McMullen County, or 1.5% of its total area. That share is close to McMullen County’s 1.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, McMullen County has 3,275.3 times the land area of nearby Tilden CDP (0.35 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Atascosa County, Duval County, La Salle County, Live Oak County, Webb County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

