East Hanover Township is a township in Morris County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 11,105, a decrease of 52 from the 2010 census count of 11,157, which in turn reflected a decline of 236 from the 11,393 counted in the 2000 census. Some iconic places: The Newark Museum of Art, Essex County Turtle Back Zoo, Paterson Great Falls National Historical Park, Montclair Art Museum, Thomas Edison National Historical Park, Branch Brook Park, Morris Museum, Morristown National Historical Park