Lake Jackson is a city in Brazoria County, Texas, United States, within the Greater Houston metropolitan area. As of the 2020 census, the city population was 28,177. 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.