South Hill, VA has a population of 4,505 and is the 6,921st largest city in the United States. The population density is 458 per sq mi which is 140% higher than the Virginia average and 406% higher than the national average. The median age in South Hill is 43 which is approximately 14% higher than the Virginia average of 38. In South Hill, 56% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 67% of South Hill residents were born in Virginia, 29% were born out of state, 2% were born outside of the United States and 2% were foreign born.