Whitehall is a city in Franklin County, Ohio, United States and an enclave (suburb) on the east side of Columbus. The population was 18,062 at the 2010 census. The current mayor of Whitehall is Kim Maggard.GeographyWhitehall is located at .According to the United States Census Bureau, the city has a total area of 5.29sqmi, of which 5.26sqmi is land and 0.03sqmi is water. Big Walnut Creek flows through Whitehall.Like the nearby city of Bexley and villages of Minerva Park and Valleyview, Whitehall is an enclave of Columbus.Whitehall is a suburban community of Columbus, Ohio in Franklin County. It is in close proximity to the Port Columbus International Airport. The 338th Army Band is stationed there at the Defense Supply Center, Columbus.The city has three elementary schools, one junior high school,and one high school . Big Walnut Creek along with the Columbus Country Club define the eastern border of Whitehall.