Fort Worth is the sixteenth most populous city in the United States of America and the fifth most populous city in the state of Texas. Located in North Central Texas, the city is a cultural gateway into the American West and covers nearly 300 square miles (780 km2) in Tarrant, Denton, and Wise counties, serving as the seat for Tarrant County. According to the 2010 Census, Fort Worth had a population of 741,206. It has been estimated that by 2030 it will have 1,211,665 residents. The city is the second most populous in the Dallas–Fort Worth metropolitan area.