Childersburg is a city in Talladega County in the U.S. state of Alabama. It was incorporated in 1889. At the 2020 census, the population was 4,…Childersburg is a city in Talladega County in the U.S. state of Alabama. It was incorporated in 1889. At the 2020 census, the population was 4,754. It has a history dating back before 1540, when it was noted as a village of the Coosa Nation visited by the Spanish explorer Hernando de Soto. It is said a member of De Soto’s crew fell ill and was left to settle in the area of present day Childersburg where the Coosa people cared for the ill explorer. The Alabama Army Ammunition Plant, important during World War II, was located 4 miles north of Childersburg.