Hamilton Township, Atlantic County, New Jersey in the context of Galloway Township, New Jersey

Atlantic County is a county in the southern part of the U.S. state of New Jersey. As of the 2020 census, the county was the state's 15th-most-populous county, with a population of 274,534, a drop of 15 from the 2010 census count of 274,549. The United States Census Bureau's Population Estimates Program estimated a 2024 population of 279,114, an increase of 4,580 (+1.7%) from the 2020 decennial census. Its county seat is the Mays Landing section of Hamilton Township. The county is part of the Jersey Shore region of the state.

The most populous place in Atlantic County is Egg Harbor Township, with 47,842 residents at the time of the 2020 census; Galloway Township, covered 115.21 square miles (298.4 km), the largest total area of any municipality, though Hamilton Township has the largest land area, covering 111.13 square miles (287.8 km). Atlantic County forms the Atlantic City–Hammonton metropolitan statistical area, which is also part of the Philadelphia metropolitan area.

Mays Landing is an unincorporated community and census-designated place (CDP) in and the county seat of Atlantic County, New Jersey, located within Hamilton Township. As of the 2010 U.S. census, Mays Landing's population was 2,135.

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 was the seventh most populous in the Jersey Shore region with a population of 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.

Egg Harbor Township was first mentioned as part of Gloucester County in records dating back to March 20, 1693, and at times was called New Weymouth. The township's western boundary was established on May 13, 1761, with the area called Great Egg-Harbour Township. Portions of the township were taken to form Galloway Township, which was established by Royal charter on April 4, 1774. Additional portions were taken to form Weymouth Township on February 12, 1798. On February 21, 1798, the area was incorporated as Egg-Harbour Township. Over the ensuing centuries, portions of the township were taken to create many new municipalities: Hamilton Township on February 5, 1813; Atlantic City on May 1, 1854; Absecon on May 1, 1854; South Atlantic City (now Margate City) on September 7, 1885; Pleasantville on January 10, 1889; Linwood on February 20, 1889; Somers Point on April 24, 1886; Longport on March 7, 1898; Ventnor City on March 17, 1903; and Northfield on March 21, 1905. Geographically, the township, and all of Atlantic County, is part of the South Jersey region and of the Atlantic City-Hammonton metropolitan statistical area, which in turn is included in the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley.

Hammonton is a town in Atlantic County, in the U.S. state of New Jersey, that has been referred to as the "Blueberry Capital of the World". As of the 2020 United States census, the town's population was 14,711, a decrease of 80 (−0.5%) from the 2010 census count of 14,791, which in turn reflected an increase of 2,187 (+17.4%) from the 12,604 counted in the 2000 census. Geographically, the town, and all of Atlantic County, is part of the South Jersey region of the state and of the Atlantic City-Hammonton metropolitan statistical area, which in turn is included in the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley.

The first European settlement of Hammonton was in 1812. It was named for John Hammond Coffin, a son of one of the community's earliest settlers, William Coffin, with the "d" in what was originally Hammondton disappearing over time. It was incorporated as a town by an act of the New Jersey Legislature on March 5, 1866, from portions of Hamilton Township and Mullica Township.