Richland is a city in Stewart County, Georgia, United States. Per the 2020 census, the population was 1,370. The community took its name fro…Richland is a city in Stewart County, Georgia, United States. Per the 2020 census, the population was 1,370. The community took its name from the local Richland Baptist Church, the name of which most likely is a transfer from Richland, South Carolina, the native home of a large share of the first settlers. The Georgia General Assembly incorporated Richland in 1889.