Mansfield Township is a township in Burlington County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 8,897, The township, and all of Burlington County, is a part of the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley.
History
thumb|Historic White Oak Tree, known as the Keeler Oak
Before European settlement, the land that would become Mansfield Township was occupied by the Lenape Native Americans. Mansfield was first formed on November 6, 1688, and reformed by Royal charter on May 9, 1770. Mansfield was incorporated by an act of the New Jersey Legislature on February 21, 1798, as one of New Jersey's initial group of 104 townships. Portions of the township were taken to form Fieldsboro (March 7, 1850, within township; became fully independent c. 1894), Bordentown Township (March 8, 1852) and Florence Township (March 7, 1872).
The township was named for Mansfield, England.
Geography
According to the United States Census Bureau, the township had a total area of 21.89 square miles (56.69 km<sup>2</sup>), including 21.73 square miles (56.29 km<sup>2</sup>) of land and 0.16 square miles (0.40 km<sup>2</sup>) of water (0.71%).
Unincorporated communities, localities and place names located partially or completely within the township include Bishops Barn, Columbus (where the town hall is located), Georgetown, Hedding, Kinkora, Mansfield, Rising Sun Square (also known as Mansfield Square) and Three Tuns. Homestead, a retirement village, consists of 1,200 homes in Columbus.
Liberty Lake is a freshwater spring-fed lake, that allows boating, swimming and fishing.