Sumner is a town in Worth County, Georgia, United States. The population was 309 at the 2000 census. It is part of the Albany, Georgia Metropolitan Statistical Area.
Sumner is located at 31°30′40″N 83°44′18″W / 31.51111°N 83.73833°W / 31.51111; -83.73833 (31.510979, -83.738315).
According to the United States Census Bureau, the town has a total area of 1.1 square miles (2.8 km²), all of it land.