Wildwood is a city in Cape May County, New Jersey, United States. It is part of the Ocean City Metropolitan Statistical Area and is a popular summer resort destination. As of the 2010 United States Census, the city's year-round population was 5,325, reflecting a decline of 111 (-2.0%) from the 5,436 counted in the 2000 Census, which had in turn increased by 952 (+21.2%) from the 4,484 counted in the 1990 Census.