In Dallas County, Texas, in the United States, Addison is an incorporated town. Addison, which has 16,661 residents according to the 2020 census, is located just north of Dallas.

At the time of the 2010 census, Addison and Flower Mound were the only two municipalities in Texas classified as “towns” with a population of over 10,000; since then, population estimates for the similarly designated towns of Prosper and Trophy Club have also exceeded 10,000.