THE PORT ARTHUR LAND BRIEF
Land in the
Texas-Louisiana Coastal Marshes setting.
Port Arthur city has 75.6 square miles of land in Jefferson County, Orange County. Its Census reference point is in Texas-Louisiana Coastal Marshes, within Western Gulf Coastal Plain.
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 ↗ · Classification at the Census reference point
One place name. 2 county geographies.
Port Arthur intersects 2 county geographies: Jefferson County, Orange County. A Port Arthur mailing address alone cannot choose the right record office; use the county and parcel identifier on the tax bill or deed.
Port Arthur by land and water
The Census records 47.2 square miles of water within Port Arthur, or 38.4% of its total area. It is 35.7 percentage points higher than the 2.7% recorded for Texas. This is geographic context; waterfront status and usable land must be checked at the parcel.
For scale, Port Arthur city has 14.5 times the land area of nearby Groves city (5.21 square miles). These areas describe boundaries, not comparable property prices.