Pemberton 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 26,903, a decrease of 1,009 from the 2010 census count of 27,912, which in turn reflected a decline of 779 from the 28,691 total in the 2000 census. The township, and all of Burlington County, is a par…Pemberton 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 26,903, a decrease of 1,009 from the 2010 census count of 27,912, which in turn reflected a decline of 779 from the 28,691 total in the 2000 census. The township, and all of Burlington County, is a part of the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley.