Little River, SC has a population of 9,239 and is the 4,173rd largest city in the United States. The population density is 882 per sq mi which is 498% higher than the South Carolina average and 873% higher than the national average. The median age in Little River is 56 which is approximately 43% higher than the South Carolina average of 39. In Little River, 59% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 26% of Little River residents were born in South Carolina, 68% were born out of state, 1% were born outside of the United States and 6% were foreign born.