Harlem is a city located in Columbia County Georgia. With a 2020 population of 3,591, it is the 175th largest city in Georgia and the 5708th largest city in the United States . Harlem is currently growing at a rate of 3.16% annually and its population has increased by 34.70% since the most recent census, which recorded a population of 2,666 in 2010. Harlem reached it's highest population of in . Spanning over 6 miles, Harlem has a population density of 569 people per square mile.
The average household income in Harlem is $64,135 with a poverty rate of 10.90%. The median rental costs in recent years comes to $696 per month, and the median house value is $128,600. The median age in Harlem is 34.8 years, 30.6 years for males, and 36.8 years for females.