Calvary is a census-designated place and unincorporated community in Grady County, Georgia, United States. As of 2020, its population was 129. It is located along Georgia State Route 111, 15 miles southwest of Cairo, the Grady County seat. Tallahassee, Florida, is 23 miles to the south. Agriculture is an important part of the local economy. The top crops in the county are cotton, corn and peanuts, while chickens are overwhelmingly the most important livestock.