THE MARSHALL COUNTY LAND BRIEF
Land in the
Eastern Cross Timbers setting.
Marshall County has 371.5 square miles of land in Oklahoma. 2 mapped landscape regions meet across Marshall County: Eastern Cross Timbers, Northern Post Oak Savanna.
The Cross Timbers mark a transition from prairie to more wooded eastern landscapes. Native grassland is interspersed with post oak and blackjack oak, creating a woodland-and-open-country mosaic.
Regional context: Cross Timbers ↗ · Regional mapping across the county footprint
Where the landscape changes
Marshall County intersects 2 mapped regional units. The largest mapped shares are:
- Eastern Cross Timbers98.6%
- Northern Post Oak Savanna1.4%
East Central Texas Plains in Marshall 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 Marshall County
The atlas lists 8 cities, towns, townships, and Census communities associated with Marshall County, including Madill, Lebanon, Kingston. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Marshall County by land and water
The Census records 55.5 square miles of water within Marshall County, or 13% of its total area. That share is close to Marshall County’s 13%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Marshall County has 169.3 times the land area of nearby Kingston town (2.19 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Bryan County, Carter County, Johnston County, Love County within Oklahoma. A tract near one of these lines should be matched to the county identifier on its own records.

