Mount Laurel is a township in Burlington County in the U.S. state of New Jersey. The township, and all of Burlington County, is a part of the Philadelphia-Reading-Camden combined statistical area and the Delaware Valley. As of the 2020 United States census, the township's population was 44,633, its highest decennial count ever and an increase of 2,769 (+6.6%) from the 2010 census count of 41,864, …