- Camden is a city located in Camden County, New Jersey, United States. It is the county seat and the largest city in the county. Camden is situated across the Delaware River from Philadelphia and is considered a part of the Philadelphia metropolitan area. The city has a population of approximately 74,000 people and is known for its industrial history, diverse culture, and a range of educational institutions. However, Camden also faces significant challenges, including high rates of poverty and crime. Efforts are being made to revitalize the city and improve living conditions for its residents.