THE ORANGE COUNTY LAND BRIEF
Land in the
Northern Humid Gulf Coastal Prairies setting.
Orange County has 333.8 square miles of land in Texas. 4 mapped landscape regions meet across Orange County: Northern Humid Gulf Coastal Prairies, Flatwoods, Texas-Louisiana Coastal Marshes, 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
Orange County intersects 4 mapped regional units. The largest mapped shares are:
- Northern Humid Gulf Coastal Prairies46.7%
- Flatwoods25.3%
- Texas-Louisiana Coastal Marshes18.4%
- Floodplains and Low Terraces9.6%
South Central Plains in Orange County
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.
Read the regional source ↗Finding your parcel within Orange County
The atlas lists 11 cities, towns, townships, and Census communities associated with Orange County, including Port Arthur, Orange, Vidor. The list includes overlapping geography types and does not divide the county into exclusive service areas.
Orange County by land and water
The Census records 45.7 square miles of water within Orange County, or 12% of its total area. That share is close to Orange County’s 12%. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Orange County has 27.8 times the land area of nearby Vidor city (12 square miles). These areas describe boundaries, not comparable property prices.
The Census boundary meets Hardin County, Jasper County, Jefferson County, Newton County within Texas. A tract near one of these lines should be matched to the county identifier on its own records.