Dallas is a city in the U.S. territory of Texas. It is the most crowded city in the Dallas– Fort Worth city, which is the fourth most crowded metropolitan zone in the United States. The city's populace positions ninth in the U.S. also, third in Texas after Houston and San Antonio. The city's conspicuousness emerged from its authentic significance as middle for the oil and cotton businesses, and its position along various railroad lines. The greater part of the city is in Dallas County, of which it is the region situates; be that as it may, segments of the city are situated in Collin, Denton, Kaufman, and Rockwall provinces. As per the 2010 United States Census, the city had a populace of 1,197,816. The United States Census Bureau's gauge for the city's populace expanded to 1,317,929 starting at July 1, 2016.

The city is the biggest monetary focal point of the 12-province Dallas– Fort Worth city metropolitan range (normally alluded to as DFW), which had a populace of 7,504,362 starting at July 1, 2015 speaking to development in overabundance of 807,000 individuals since the 2010 enumeration, the second biggest populace increment in the U.S. after Houston. Situated in North Texas, Dallas is the fundamental center of the biggest metropolitan region in the South and the biggest inland metropolitan range in the United States that does not have any safe connect to the ocean. Dallas and adjacent Fort Worth were created because of the development of real railroad lines through the territory enabling access to cotton, cows, and later oil in North and East Texas. The development of the Interstate Highway System strengthened Dallas' noticeable quality as a transportation center with four noteworthy interstate parkways merging in the city, and a fifth interstate circle around it. Dallas created as a solid mechanical and money related focus, and a noteworthy inland port, because of the union of real railroad lines, interstate thruways, and the development of Dallas/Fort worth International Airport, one of the biggest and busiest air terminals on the planet.