Harlem is a city in Columbia and McDuffie counties, in the U.S. state of Georgia. It is part of the Augusta metropolitan area. As of the 2020 census, Harlem had a population of 3,571. This city was named after the neighborhood in the borough of Manhattan. Harlem is the birthplace of comedian Oliver Hardy; the annual Harlem Oliver Hardy Festival is held on the first Saturday each October on Main Street in his honor.