Deer Park is a city located in Harris County, Texas, United States. It is a suburb of Houston and is part of the Greater Houston metropolitan area. The city was incorporated in 1948 and has a population of approximately 33,000 people as of the 2020 Census. Deer Park is known for its petrochemical industry and is home to several major oil refineries and chemical plants. The city offers a range of recreational activities, including parks, golf courses, and a nature center. It is also served by the Deer Park Independent School District.