Stone Mountain, Georgia a member of Main Street America. Stone Mountain is located at (33.805255, -84.171413), at the western base of the quartz monzonite dome monadnock of the same name. While Stone Mountain city proper is completely within DeKalb County, the postal regions designated, and traditionally considered as Stone Mountain include portions of DeKalb and Gwinnett Counties. According to the State of Georgia, the city has a total area of , of which 0.62% is water. According to 2017 US Census Bureau estimates , Stone Mountain has 6,368 residents, a 9.0% increase since 2010. There are 2,519 households with an average of 2.42
Indian Mountain State Park a marshy floodplain approximately wide. Jellico occupies the northeastern part of this plain, and extends up the slopes of the valley's northernmost hills. Indian Mountain State Park occupies the northwestern half of the valley between Jellico and the base of Indian Mountain. Elk Creek splits Indian Mountain State Park into eastern and western halves. The western half is dominated by the Indian Mountain Lake, which spans the base of Indian Mountain and forms the southern and western boundary of the park's campground. Ballard Lake, a large pond slightly smaller than Indian Mountain Lake, dominates the park's eastern section. Several smaller