Little Egg Harbor Township is a township in Ocean County, New Jersey, United States. As of the 2010 United States Census, the township's population was 20,065, reflecting an increase of 4,120 (+25.8%) from the 15,945 counted in the 2000 Census, which had in turn increased by 2,612 (+19.6%) from the 13,333 counted in the 1990 Census. The 2010 population was the highest recorded in any decennial census.