Ridge Spring, SC has a population of 922 and is the 15,649th largest city in the United States. The population density is 506 per sq mi which is 243% higher than the South Carolina average and 459% higher than the national average. The median age in Ridge Spring is 40 which is approximately 2% higher than the South Carolina average of 39. In Ridge Spring, 47% of the population over 15 years of age are married, 95% speak English and 5% speak Spanish. 82% of Ridge Spring residents were born in South Carolina, 15% were born out of state, 0% were born outside of the United States and 3% were foreign born.