World in 4K presents you the beauty of Dallas, city in the U.S. state of Texas and the most populous city in the Dallas-Fort Worth metroplex, the most populous metropolitan area in Texas and the 4th most populous metropolitan area in the United States at 7.5 million people. It is the most populous city in and seat of Dallas County with portions extending into Collin, Denton, Kaufman, and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth-most populous city in the U.S. and the third-most populous city in Texas after Houston and San Antonio.