Southlake is a city located predominately in Tarrant County with minor areas extending into Denton County in the U.S. state of Texas that is suburb of the Dallas/Fort Worth Metropolitan area. As of the 2010 census it had a population of 26,575. Southlake is known for public schools, Southlake Town Square, its wealth, Gateway Church and Carroll High School's 8-time state champion Football and Men's Swim & Dive team. The Southlake area was settled by pioneers in the 1840s, but was not incorporated as Southlake until 1956, four years after Grapevine Lake was finished. Before incorporation, the settlements of Whites Chapel, Dove, Union Church and Jellico made up present day Southlake. The area remained rural until the completion of the DFW International Airport in the 1970s. Due to the close proximity to the airport, Southlake became a boom-burb throughout the 1980s, 1990s and 2000s. As of 2012, Southlake's population is almost at full capacity, with around 27,000 residents. The expected build-out population is projected around 34,000 residents.