Atlanta is the largest city in the state of Georgia. Atlanta ranks as the 40th-largest in the United States, and the sixth-largest city in the southeastern region. 2010 census results varied dramatically with previous Census Bureau estimates, counting 550,003 residents, Atlanta is the core city of the ninth most populous United States metropolitan area at 5,268,860 (est. 2010), with a combined statistical area of 5,626,400.