Port Arthur Map
Port Arthur Information
Port Arthur
Port Arthur is a city in the U.S. state of Texas, 90 mi (140 km) east of Houston. Part of the Beaumont–Port Arthur metropolitan area, Port Arthur lies primarily in Jefferson County, with a small, uninhabited extension in Orange County. The largest oil refinery in the United States, the Motiva Refinery, is located there.The population of Port Arthur was 53,818 at the 2010 census, down from 57,755 at the 2000 census. By 2020, its population had rebounded to 56,039. Early attempts at settlements in the area had all failed. However, in 1895, Arthur Stilwell founded Port Arthur, and the town quickly grew.