THE SMITH COUNTY LAND BRIEF
Land in the
Tertiary Uplands setting.
Smith County has 921.5 square miles of land in Texas. 3 mapped landscape regions meet across Smith County: Tertiary Uplands, Floodplains and Low Terraces, Northern Post Oak Savanna.
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
Smith County intersects 3 mapped regional units. The largest mapped shares are:
- Tertiary Uplands94.7%
- Floodplains and Low Terraces3.2%
- Northern Post Oak Savanna2%
East Central Texas Plains in Smith County
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.
Read the regional source ↗Finding your parcel within Smith County
The atlas lists 12 cities, towns, townships, and Census communities associated with Smith County, including Tyler, Overton, Lindale. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Smith County by land and water
The Census records 28.2 square miles of water within Smith County, or 3% of its total area. That share is close to Smith County’s 3%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Smith County has 15.9 times the land area of nearby Tyler city (57.9 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Cherokee County, Gregg County, Henderson County, Rusk County, Upshur County, Van Zandt County, Wood County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

