Bonanza is an unincorporated community and census-designated place (CDP) in Clayton County, Georgia, United States.

Bonanza is located in southern Clayton County at 33°27′53″N 84°20′15″W / 33.46472°N 84.33750°W / 33.46472; -84.33750 (33.464663, -84.337589).

Routes 19 and 41 form the eastern border of the CDP, leading north 4 miles (6 km) to Jonesboro, the county seat, and 21 miles (34 km) to downtown Atlanta.

According to the United States Census Bureau, the Bonanza CDP has a total area of 1.2 square miles (3.1 km2), all land.

[17][16] At the 2020 United States census, there were 4,406 people, 1,220 households, and 885 families residing in the CDP.