 According to the United States Census Bureau, the city had a total area of 3.782 square miles (9.793 km2), including 3.063 square miles (7.932 km2) of land and 0.719 square miles (1.861 km2) of water (19.00%).Unincorporated communities, localities and place names located partially or completely within the city include Burlington Island and East Burlington.Burlington borders Burlington Township in Burlington County and both Bristol and Bristol Township across the Delaware River in Pennsylvania.