Charlotte is the largest city in the U.S. state of North Carolina and the seat of Mecklenburg County. In 2010, Charlotte's population according to the US Census Bureau was 731,424, making it the 17th largest city in the United States based on population. The Charlotte metropolitan area had a 2009 population of 1,745,524. The Charlotte metropolitan area is part of a wider thirteen-county labor market region or combined statistical area with a 2009 estimated population of 2,389,763. Residents of Charlotte are referred to as "Charlotteans".