Comer is a city in Madison County, Georgia, United States. Comer is the largest city in Madison County based on population and total land area, with an annual population growth rate of approximately 3%.The City of Comer is included in the Athens-Clarke County, GA Metropolitan Statistical Area, which is included in the Atlanta- Athens-Clarke County-Sandy Springs, Georgia Combined Statistical Area. The City of Comer is located in the Broad River sub-basin of the Savannah River basin.The City of Comer's motto is "Make Our Town Your Town".Comer is unusual among small towns in Georgia because it is actually a planned community. When the town was platted out, an engineer named A. W. Jones was hired to draw out the map of the town, and lay out the streets.