Neptune Township is a diverse community, both in terms of population and landscape, extending from the seaside community of Ocean Grove, a national historic site, to Mid-town which is undergoing a municipal-led revitalization, to the riverside residential community of Shark River Hills, to the open spaces of Shark River Park and the commercial corridor on Route 66 in the west.

The southern border is the Shark River estuary, and the northern border is with Asbury Park and Ocean Township. Neptune Township stretches from the Atlantic Ocean west to the Garden State Parkway (exit 100). Other unincorporated communities, localities and place names located partially or completely within the township include Bradley Park, the Gables, Green Grove, Hamilton, Hamilton Mills, Mid-Town, Summerfield, Seaview Island, The Observatory, West Grove, West Neptune, and Whitesville. Ocean Grove (2010 Census population of 3,342 ) and Shark River Hills (2010 population of 3,697 ) are census-designated places and unincorporated communities located within Neptune Township. Census Bureau, the township had a total area of 8.84 square miles (22.90 km 2), including 8.13 square miles (21.05 km 2) of land and 0.72 square miles (1.86 km 2) of water (8.11%). The township was named for Neptune, the Roman water deity, and its location on the Atlantic Ocean. Portions of the township were taken to form Neptune City (October 4, 1881), Bradley Beach (March 13, 1893) and Ocean Grove (April 5, 1920, until the action was found unconstitutional and restored to Neptune Township as of June 16, 1921). Neptune was incorporated as a township by an act of the New Jersey Legislature on February 26, 1879, from portions of Ocean Township.

As of the 2020 United States census, the township's population was 28,061, an increase of 126 (+0.5%) from the 2010 census count of 27,935, which in turn reflected an increase of 245 (+0.9%) from the 27,690 counted in the 2000 census. Neptune Township is a township in Monmouth County, in the U.S.

Wall township zip code