Camden is a city in and the county seat of Camden County, New Jersey, United States. Located across the Delaware River from Philadelphia, Pennsylvania, it is part of the Delaware Valley. The population was 71,791 at the 2020 census. The city was incorporated on February 13, 1828. Camden has been the county seat of Camden County since the county's formation on March 13, 1844. The city derives its name from Charles Pratt, 1st Earl Camden. Camden is made up of over 20 neighborhoods, and is part of the South Jersey region of the state.