Flushing is a neighborhood in the New York City borough of Queens in the United States. While much of the neighborhood is residential, Downtown Flushing, centered on the northern end of Main Street in Queens, is a large commercial and retail area and is the fourth largest central business district in New York City.Flushing's diversity is reflected by the numerous ethnic groups that reside there, including people of Asian, Hispanic, Middle Eastern, European, and African American ancestry. It is part of New York's Sixth Congressional District, which is located entirely within Queens County. Flushing is served by five railroad stations on the Long Island Rail Road Port Washington Branch, as well as the New York City Subway's IRT Flushing Line, which has its terminus at Main Street. The intersection of Main Street and Roosevelt Avenue is the third busiest intersection in New York City, behind Times and Herald Squares.