Lake Jackson is a city in Brazoria County, Texas, United States, within the Houston–Sugar Land metropolitan area. As of the 2010 census, the city population was 26,849.In 1942 a portion of Lake Jackson was first developed as a company town for workers of the Dow Chemical Company; it developed 5,000 acres on the former Abner Jackson Plantation. An oxbow lake was also named after the planter, whose house was located at the lake. Minor ruins of the Lake Jackson Plantation can now be seen in a park at the site.