Camden is a city in Camden County, New Jersey. Camden is located directly across the Delaware River from Philadelphia, Pennsylvania. At the 2010 United States Census, the city had a population of 77,344. Camden is the 12th most populous municipality in New Jersey. The city was incorporated on February 13, 1828. Camden has been the county seat of Camden County since the county was formed on March 13, 1844. The city derives its name from Charles Pratt, 1st Earl Camden. Camden is made up of over twenty different neighborhoods.The city was consistently prosperous throughout the Great Depression and World War II. After World War II, Camden manufacturers began gradually closing their factories and moving out of the city. With the loss of manufacturing jobs came a sharp decline in population numbers. Suburbanization also influenced the drop in population. Civil unrest and crime became common in Camden.