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.
Lafayette was formed as a Township based on an Act of the New Jersey Legislature on April 14, 1845, from part of Frankford Township and Newton Township (the latter now dissolved), based on the results of a referendum held that same day. The township was the first in the country to be named for Gilbert du Motier, Marquis de Lafayette, the French general and statesman who served in the Continental Army during the American Revolutionary War.
The Lafayette Village Historic District is a histori