Southport, NC has a population of 3,291 and is the 8,343rd largest city in the United States. The population density is 848 per sq mi which is 369% higher than the North Carolina average and 836% higher than the national average. The median age in Southport is 51 which is approximately 34% higher than the North Carolina average of 38. In Southport, 60% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 47% of Southport residents were born in North Carolina, 49% were born out of state, 3% were born outside of the United States and 2% were foreign born.