Marlton is a census-designated place (CDP) located within Evesham Township in Burlington County, in the U.S. state of New Jersey. As of the 2020 United States census, the CDP had a population of 10,594 residents, reflecting a 4.5% increase from the 10,133 enumerated at the 2010 U.S. census, in turn a 1.2% decrease from the 10,260 counted in the 2000 census.