[7] Before incorporation, the settlements of Whites Chapel, Dove, Union Church, and Jellico made up present-day Southlake.

Anthony Gail Eubanks was elected the first mayor, and his daughter chose the name Southlake due to its proximity to the newly completed Grapevine Lake.

At the 2020 United States census, there were 31,265 people, 9,323 households, and 8,398 families residing in the city.

Sabre Holdings, an S&P 500 company, is headquartered in Southlake in the Solana business park.

Industrial businesses include gasoline storage and distribution and concrete works on the east side of town off Highway 114 near DFW Airport.

The new additions to Town Square were completed in the summer of 2006, making it one of the most popular shopping centers in the Metroplex.

These relationships consist of student exchange programs as well as adult delegations between the cities.