Franklin Borough is a small municipality located in Sussex County, New Jersey. It was incorporated in 1913 and is known for its rich history in mining, particularly for zinc. The borough covers an area of approximately 1.5 square miles and has a population of around 5,000 residents. The community is characterized by its quaint neighborhoods and local parks, providing a friendly atmosphere for families. Franklin Borough is also home to several historical sites, including the Franklin Mineral Museum, which showcases the area's mining heritage and offers educational programs about geology and mineralogy.