Camden County is a county located in the U.S. state of New Jersey. Its county seat is Camden. As of the 2010 Census, the population was 513,657, having increased by 4,725 (up 0.9%, the third-lowest growth rate in the state) from the 508,932 counted in the 2000 Census, retaining its position as the state's eighth-most populous county. As of 2014, Camden County's Census-estimated population was 511,038. The most populous place was Camden, with 77,344 residents at the time of the 2010 Census, while Winslow Township covered , the largest total area of any municipality.