With nearly 39 square miles within its boundaries and a population of over 17,000, Sparta is one of the largest townships in Sussex County. The town includes many lake communities, Lake Mohawk, a 3 mile-long, man-made lake, is the largest. It offers a country club with a boardwalk, golf course and numerous beaches and docking areas around the lake. Other smaller lake communities include Fox Hollow, Lake Saginaw, Seneca Lake, Sparta Lake and Sunset Lakes, among others.
Sparta offers a mix of residential area and service, retail and office areas scattered throughout the township. Station Park, Edison Park and Ungerman Field serve the public recreation needs of the residents. The township has its own library in the center of town. The business community sponsors free weekly summer concerts in the park behind the library.
With the close proximity of Route 15 and the addition of a new bypass to access this highway, Sparta gives its commuters an easy path to interstate 80.