Berkeley Township is a township in Ocean County, in the U.S. state of New Jersey, extending from the Jersey Shore westward into the New Jersey Pine Barrens. As of the 2020 United States census, the township's population was 43,754, the highest ever in any decennial count and an increase of 2,499 (+6.1%) from the 2010 census count of 41,255, which in turn reflected an increase of 1,264 (+3.2%) from the 39,991 counted in the 2000 census.

Seaside Park is a borough in Ocean County, in the U.S. state of New Jersey. It is part of the New Brunswick–Lakewood, NJ Metropolitan Division, which is part of the New York metropolitan area. As of the 2020 United States census, the borough's population was 1,436, a decrease of 143 (−9.1%) from the 2010 census count of 1,579, which in turn had reflected decline of 684 (−30.2%) from the 2,263 counted in the 2000 census. Seaside Park is situated on the Barnegat Peninsula, a long, narrow barrier peninsula that separates Barnegat Bay from the Atlantic Ocean.