South Carrollton, KY has a population of 139 and is the 25,920th largest city in the United States. The population density is 550 per sq mi which is 407% higher than the Kentucky average and 507% higher than the national average. The median age in South Carrollton is 46 which is approximately 20% higher than the Kentucky average of 39. In South Carrollton, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 85% of South Carrollton residents were born in Kentucky, 15% were born out of state, 0% were born outside of the United States and 0% were foreign born.