Camden is a city in and the county seat of Ouachita County in the south-central part of the U.S. state of Arkansas.In 2000, Camden had a population of 13,154, but it lost 7.4 percent of its residents and recorded 12,183 in 2010. The municipality in 2010 was 56 percent African American. Camden is the principal city of the Camden Micropolitan Statistical Area, which includes all of Ouachita and Calhoun counties.