Boiling Springs, NC has a population of 4,650 and is the 6,784th largest city in the United States. The population density is 1,038 per sq mi which is 473% higher than the North Carolina average and 1045% higher than the national average. The median age in Boiling Springs is 23 which is approximately 40% lower than the North Carolina average of 38. In Boiling Springs, 44% of the population over 15 years of age are married, 95% speak English and 0% speak Spanish. 67% of Boiling Springs residents were born in North Carolina, 27% were born out of state, 1% were born outside of the United States and 5% were foreign born.