Chapel Hill, NC has a population of 59,005 and is the 666th largest city in the United States. The population density is 2,748 per sq mi which is 1418% higher than the North Carolina average and 2934% higher than the national average. The median age in Chapel Hill is 26 which is approximately 32% lower than the North Carolina average of 38. In Chapel Hill, 40% of the population over 15 years of age are married, 80% speak English and 5% speak Spanish. 36% of Chapel Hill residents were born in North Carolina, 46% were born out of state, 2% were born outside of the United States and 16% were foreign born.