According to the Georgia Secretary of State, you may drop your ballot off at designated sites before 7PM on election day. Please refer to the Secretary of State website for details on hours of operation as some locations may have limited days and hours of operation. Ballot drop-off sites for Cobb County are as follows:
- East Cobb Government Service Center, 4400 Lower Roswell Rd, Marietta, GA 30068 (source)
- South Cobb Government Service Center, 4700 Austell Rd, Austell, GA 30106 (source)
- North Cobb Regional Library, 3535 Old 41 Hwy NW, Kennesaw, GA 30144 (source)
- Elections Main Office, 736 Whitlock Avenue, Marietta, GA 30064 (source)