Childersburg is a city in Talladega County in the U.S. state of Alabama. It was incorporated in 1889. At the 2010 census the population was 5,175. It claims 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. The Alabama Army Ammunition Plant, important during World War II, was located 4 miles (6 km) north of Childersburg.
Childersburg is located at 33°16′31″N 86°21′11″W (33.275187, −86.353166).
According to the U.S. Census Bureau, the city has a total area of 12.6 square miles (32.6 km2), of which 12.4 square miles (32.0 km2) is land and 0.27 square miles (0.7 km2), or 2.00%, is water.
The city is located along the Coosa River in western Talladega County along US Routes 280 and 231. US 280 and 231 run northwest to southeast through the city, leading northwest 7 mi (11 km) to Harpersville and 37 mi (60 km) to Birmingham. US 231/280 also run southeast 11 mi (18 km) to Sylacauga. Alabama Route 76 also runs through the city, leading east 10 mi (16 km) to Winterboro and southwest 7 mi (11 km) to Alabama Route 25 near Wilsonville.
Successive indigenous peoples had lived in the area for thousands of years.