Egg Harbor Township is a township in Atlantic County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 47,842, its highest decennial count ever and an increase of 4,519 (+10.4%) from the 2010 census count of 43,323, which in turn reflected an increase of 12,597 (+41.0%) from the 30,726 counted in the 2000 census.