Snelling, SC has a population of 325 and is the 22,045th largest city in the United States. The population density is 81 per sq mi which is 45% lower than the South Carolina average and 11% lower than the national average. The median age in Snelling is 34 which is approximately 12% lower than the South Carolina average of 39. In Snelling, 66% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 74% of Snelling residents were born in South Carolina, 26% were born out of state, 0% were born outside of the United States and 0% were foreign born.