THE BASTROP COUNTY LAND BRIEF
Land in the
Southern Post Oak Savanna setting.
Bastrop County has 888.2 square miles of land in Texas. 5 mapped landscape regions meet across Bastrop County: Southern Post Oak Savanna, Floodplains and Low Terraces, Bastrop Lost Pines, among others.
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.
Regional context: East Central Texas Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
Bastrop County intersects 5 mapped regional units. The largest mapped shares are:
- Southern Post Oak Savanna71%
- Floodplains and Low Terraces12.2%
- Bastrop Lost Pines9.8%
- Northern Blackland Prairie3.9%
- San Antonio Prairie3%
Texas Blackland Prairies in Bastrop 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 Bastrop County
The atlas lists 13 cities, towns, townships, and Census communities associated with Bastrop County, including Austin, Rosanky, Cedar Creek. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Bastrop County by land and water
The Census records 7.34 square miles of water within Bastrop County, or 0.8% of its total area. That share is close to Bastrop County’s 0.8%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Bastrop County has 90.2 times the land area of nearby Bastrop city (9.84 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Caldwell County, Fayette County, Lee County, Travis County, Williamson County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

