New Ellenton is a city in Aiken County, South Carolina, United States.

New Ellenton was formed from the citizens of Ellenton, a farming town chartered in 1880 and situated on the Charleston and Western Carolina Railway in Barnwell County near the Aiken County line.

Upon the approval of President Truman in 1950 of the Savannah River Site for the production of hydrogen bombs, the U.S. government forced 6,000 people in the surrounding area to move.

New Ellenton is located at 33°25′17″N 81°40′51″W / 33.42139°N 81.68083°W / 33.42139; -81.68083 (33.421311, −81.680856)[6] in southern Aiken County, about 1 mile (1.6 km) north of the U.S. Department of Energy Savannah River Site.

According to the United States Census Bureau, the town has a total area of 4.8 square miles (12.4 km2), all land.

[7] As of the 2020 United States census, there were 2,210 people, 937 households, and 576 families residing in the town.