Barnesville is a city located in Georgia. With a 2020 population of 6,511, it is the 121st largest city in Georgia and the 4100th largest city in the United States. Barnesville is currently declining at a rate of -1.51% annually and its population has decreased by -3.61% since the most recent census, which recorded a population of 6,755 in 2010. Barnesville reached it's highest population of 6,711 in 2018. Spanning over 6 miles, Barnesville has a population density of 1,072 people per square mile.
The average household income in Barnesville is $41,696 with a poverty rate of 35.59%. The median rental costs in recent years comes to $593 per month, and the median house value is $116,800. The median age in Barnesville is 27.6 years, 25.7 years for males, and 28.3 years for females. For every 100 females there are 77.9 males.