Cape Neddick is a census-designated place (CDP) in the town of York in York County, Maine, United States. The population was 2,568 at the 2010 census. It is allocation of the Portland–South Portland–Biddeford, Maine Metropolitan Statistical Area.

Cape Neddick is located at 43°10′8″N 70°37′2″W / 43.16889°N 70.61722°W / 43.16889; -70.61722 (43.169023, -70.617341). The CDP as defined includes everything of the creature peninsula known as Cape Neddick, plus everything of the unincorporated community of York Beach, which consists of two beaches, one on either side of Cape Neddick. The northern limit of the CDP is Cape Neddick Harbor, the western limit is Route 1, and the southern boundary is the attach with York Harbor. According to the United States Census Bureau, the CDP has a total area of 4.0 square miles (10 km²), of which 3.7 square miles (9.6 km) is house and 0.2 square miles (0.52 km²) of it, or 6.03%, is water.

Cape Neddick Light, also known as Nubble Lighthouse, is the most distinctive feature of the community. Construction began in 1876 and cost $15,000. It was first illuminated upon July 1, 1879. The lighthouse was originally red but has been painted white previously 1902. The distinctive red house was after that built in 1902. The tower stands 41 feet (12 m) tall. The lighthouse became automated in 1987.

As of the census of 2000, there were 2,997 people, 1,340 households, and 897 families residing in the CDP. The population density was 801.5 inhabitants per square mile (309.5/km²). There were 3,424 housing units at an average density of 915.7 per square mile (353.6/km). The racial makeup of the CDP was 98.26% White, 0.27% African American, 0.47% Asian, 0.10% Pacific Islander, 0.20% from extra races, and 0.70% from two or more races. Hispanic or Latino of any race were 0.90% of the population.