New Orleans is a consolidated city-parish located along the Mississippi River in the U.S. state of Louisiana. With a population of 383,997 at the 2020 census, New Orleans is the most populous city in Louisiana, the second-most populous in the Deep South after Atlanta, and the twelfth-most populous in the Southeastern United States; the New Orleans metropolitan area, with about 1 million residents, is the 59th-most populous metropolitan area in the United States. New Orleans serves as a major port and commercial hub for the broader Gulf Coast region. The city is coextensive with Orleans Parish.