In 2010, a large trading area in New Orleans had a population of 1,452,502.
New Orleans . The population of the city was 343,829 as of the 2010 U.S. Census . The New Orleans metropolitan area ( New Orleans -- Metairie -- Kenner Metropolitan Statistical Area ) had a population of 1,167,764 in 2010 and was the 46th largest in the United States . The New Orleans -- Metairie -- Bogalusa Combined Statistical Area , a larger trading area , had a 2010 population of 1,452,502 .