Medford 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 24,497, an increase of 1,464 from the 2010 census count of 23,033, which in turn reflected an increase of 780 from the 22,253 counted in the 2000 census. The township, and all of Burlington County, is a part of …Medford 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 24,497, an increase of 1,464 from the 2010 census count of 23,033, which in turn reflected an increase of 780 from the 22,253 counted 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.