- Evadale is a small city located in Jasper County, Texas, United States. It is part of the Beaumont-Port Arthur Metropolitan Statistical Area. According to the U.S. Census Bureau, the city has a total area of 2.4 square miles (6.1 square kilometers), all of which is land. As of the 2020 census, the population of Evadale was approximately 1,727 people. The city is known for its rural atmosphere and is primarily a residential community with some locally-owned businesses.