Awendaw, SC has a population of 1,331 and is the 13,410th largest city in the United States. The population density is 141 per sq mi which is 5% lower than the South Carolina average and 55% higher than the national average. The median age in Awendaw is 47 which is approximately 21% higher than the South Carolina average of 39. In Awendaw, 55% of the population over 15 years of age are married, 94% speak English and 0% speak Spanish. 76% of Awendaw residents were born in South Carolina, 21% were born out of state, 1% were born outside of the United States and 2% were foreign born.