Beaumont is a city in the U.S. state of Texas. It is the county seat of Jefferson County, within the Beaumont–Port Arthur metropolitan area, located in Southeast Texas on the Neches River about 85 miles (137 km) east of Houston. With a population of 115,282 at the 2020 census, Its metropolitan area was the 10th largest in Texas in 2020, and 130th in the United States.