THE JACKSON COUNTY LAND BRIEF
Land in the
Northern Humid Gulf Coastal Prairies setting.
Jackson County has 829.4 square miles of land in Texas. 4 mapped landscape regions meet across Jackson County: Northern Humid Gulf Coastal Prairies, Floodplains and Low Terraces, Southern Post Oak Savanna, among others.
Low coastal plains extend along the western Gulf, contrasting with more irregular inland country. Grassland was the principal natural cover, with river corridors and coastal features adding local variation.
Regional context: Western Gulf Coastal Plain ↗ · Regional mapping across the county footprint
Where the landscape changes
Jackson County intersects 4 mapped regional units. The largest mapped shares are:
- Northern Humid Gulf Coastal Prairies83.2%
- Floodplains and Low Terraces6.6%
- Southern Post Oak Savanna5.8%
- Mid-Coast Barrier Islands and Coastal Marshes4.4%
East Central Texas Plains in Jackson 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 Jackson County
The atlas lists 5 cities, towns, townships, and Census communities associated with Jackson County, including Edna, Lolita, Vanderbilt. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Jackson County by land and water
The Census records 27.4 square miles of water within Jackson County, or 3.2% of its total area. That share is close to Jackson County’s 3.2%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Jackson County has 200.6 times the land area of nearby Edna city (4.13 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Calhoun County, Colorado County, Lavaca County, Matagorda County, Victoria County, Wharton County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.

