At the 2020 United States census, Camden was the 14th-most populous municipality in the state, with a population of 71,791, a decrease of 5,553 (−7.2%) from the 2010 census count of 77,344, when it was the 12th-largest in the state by population, falling behind both Brick Township and nearby Cherry Hill, which in turn reflected a decline of 1,984 (-2.5%) from the 79,318 counted in the 2000 census. The Census Bureau's Population Estimates Program calculated a population of 71,100 for 2023, making it the 532nd-most populous municipality in the nation.