Childersburg, AL has a population of 5,062 and is the 6,422nd largest city in the United States. The population density is 411 per sq mi which is 346% higher than the Alabama average and 353% higher than the national average. The median age in Childersburg is 41 which is approximately 6% higher than the Alabama average of 39. In Childersburg, 53% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 77% of Childersburg residents were born in Alabama, 22% were born out of state, 0% were born outside of the United States and 2% were foreign born.