The borough of Hopatcong is located in the county of Sussex. It covers a total area of 31.7 sq. km. Industries related to advertising, aviation, automotive, beverages, cleaning, apparel, health, hotel, insurance, industrial and commercial machinery, oil and lubrication, publishing, real estate and telecommunication, contribute to the local economy in a positive way. Commercial spaces are utilized by campgrounds, service stations, road side services, restaurants and youth organization centers.