Denton is a city in and the county seat of Denton County, Texas, United States. With an estimated population of 138,541 as of 2018, it is the 24th-most populous city in Texas, the 196th-most populous city in the United States, and the 12th-most populous city in the Dallas–Fort Worth metroplex. Don’t be bored in Denton, TX. Book your sensual massage.