Clark township is located in the County of Union in New Jersey, USA. With a total area of about 11.65 sq. kms., it is elevated by 57 ft above the ground level. Some of the important business activities of the local inhabitants include advertising agencies, alcohilism information and treatment centers, ambulance services, art and craft shops, pharmacy stores, auto dealers of used and new cars, banquet facilities, hotels and restaurants, salons and barber shops, banks and insurance companies, computer parts sales and servicing outlets, cosmetics and perfume shops and many similar business ventures. These are an important part of the local economy. There are also quite a few retail shops and departmental stores in the township.