Stone Mountain, Georgia Stone Mountain, Georgia Stone Mountain is a city in DeKalb County, Georgia, United States. The population was 6,368 according to the 2017 US Census estimate. Stone Mountain is located in the eastern part of DeKalb County and is a suburb of Atlanta that encompasses nearly 1.7 square miles. It lies near and touches the western base of the geological formation Stone Mountain. Locals often refer to the city as Stone Mountain Village to distinguish it from the larger unincorporated area traditionally considered "Stone Mountain" and Stone Mountain Park. The history of Stone Mountain began long before white European settlers and
Stone Mountain Freeway counties. Stone Mountain Freeway begins at an interchange with US 29/SR 8 (Lawrenceville Highway) on the Scottdale–North Decatur city line, within DeKalb County. There is no access to US 29/SR 8 north from Stone Mountain Freeway or to Stone Mountain Freeway from US 29/SR 8 south. Southwest of this interchange, US 29/US 78/SR 8 head toward Decatur. Stone Mountain Freeway travels to the northeast, concurrent with US 78 and SR 410. The concurrency has a partial interchange with Valley Brook Road and North Druid Hills Road. Just before leaving Scottdale is an interchange with Interstate 285 (I-285). Part of this