Emerson is a city in far southern Bartow County, Georgia, United States, on highways US-41/GA-3, GA-293, and I-75. The population was 1,470 at the 2010 census, an increase of 34% over the 2000 count of 1,092. Emerson is a gateway to Red Top Mountain State Park, a Georgia state park, which is surrounded by Lake Allatoona.