According to the United States Census Bureau, the city had a total area of 8.583 square miles (22.230 km2), including 7.482 square miles (19.378 km2) of land and 1.101 square miles (2.852 km2) of water (12.83%)
Unincorporated communities, localities and place names located partially or completely within the township include Chestnut Neck and Unionville [REF].