Frankford Township is a township in Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 5,302, a decrease of 263 (−4.7%) from the 2010 census count of 5,565, which in turn reflected an increase of 145 (+2.7%) from the 5,420 counted in the 2000 census.

Lafayette Township is a township located in the Skylands Region of Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the township's population was 2,358, a decrease of 180 (−7.1%) from the 2010 census count of 2,538, which in turn reflected an increase of 238 (+10.3%) from the 2,300 counted in the 2000 census. The township is crossed by Route 15 and Route 94.