Green Creek is an unincorporated community located within Middle Township, Cape May County, New Jersey, United States. It is located on New Jersey State Route 47. It is a very low lying area with a highest elevation of just above 20 feet. The community is located about 3 miles west of Rio Grande and located about 1 mile (1.6 km) from the Delaware Bay. It is mostly residential with areas of agriculture and commerce along the main road, Delsea Drive. The United States Postal Service ZIP Code is 08219.