THE CASTRO COUNTY LAND BRIEF
Land in the
Llano Estacado setting.
Castro County has 894.4 square miles of land in Texas. The mapped landscape region in Castro County is Llano Estacado.
Broad, comparatively smooth plains distinguish the High Plains from neighboring broken terrain. The natural grassland setting is drier and higher than the Central Great Plains to the east.
Regional context: High Plains ↗ · Regional mapping across the county footprint
Finding your parcel within Castro County
The atlas lists 4 cities, towns, townships, and Census communities associated with Castro County, including Dimmitt, Hart, Nazareth. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Castro County by land and water
The Census records 4.85 square miles of water within Castro County, or 0.5% of its total area. That share is close to Castro County’s 0.5%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Castro County has 284.1 times the land area of nearby Dimmitt city (3.15 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Deaf Smith County, Hale County, Lamb County, Parmer County, Randall County, Swisher County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

