Riverdale is a residential neighborhood in the northwest portion of the Bronx, a borough in New York City. Riverdale's boundaries are disputed, but it is commonly agreed to be bordered by Yonkers to the north, Van Cortlandt Park and Broadway to the east, the Kingsbridge neighborhood to the southeast, the Harlem River or the Spuyten Duyvil neighborhood to the south, and the Hudson River to the west. Riverdale Avenue is the primary thoroughfare through Riverdale.

The neighborhood is part of Bronx Community District 8, and its ZIP Codes include 10463 and 10471. The area is patrolled by the 50th Precinct of the New York City Police Department.

NORTH RIVERDALE:

North Riverdale is the northernmost part of the Riverdale neighborhood of the borough of the Bronx in New York City, particularly above 254th Street. It is a residential sub-neighborhood, and shares its northern border with Yonkers, New York in Westchester County.