THE SAN JACINTO COUNTY LAND BRIEF
Land in the
Southern Tertiary Uplands setting.
San Jacinto County has 569.2 square miles of land in Texas. 3 mapped landscape regions meet across San Jacinto County: Southern Tertiary Uplands, Flatwoods, Floodplains and Low Terraces.
The Piney Woods occupy irregular plains at the western edge of the southern forest belt. Pine and hardwood landscapes alternate with wider river corridors such as the Red River valley.
Regional context: South Central Plains ↗ · Regional mapping across the county footprint
Where the landscape changes
San Jacinto County intersects 3 mapped regional units. The largest mapped shares are:
- Southern Tertiary Uplands73.2%
- Flatwoods20.2%
- Floodplains and Low Terraces6.6%
Finding your parcel within San Jacinto County
The atlas lists 6 cities, towns, townships, and Census communities associated with San Jacinto County, including Cleveland, Shepherd, Point Blank. The list includes overlapping geography types and does not divide the county into exclusive service areas.
San Jacinto County by land and water
The Census records 58.7 square miles of water within San Jacinto County, or 9.3% of its total area. That share is close to San Jacinto County’s 9.3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, San Jacinto County has 306.7 times the land area of nearby Coldspring city (1.86 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Liberty County, Montgomery County, Polk County, Trinity County, Walker County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

