Polkton, NC has a population of 3,379 and is the 8,221st largest city in the United States. The population density is 1,107 per sq mi which is 511% higher than the North Carolina average and 1121% higher than the national average. The median age in Polkton is 35 which is approximately 9% lower than the North Carolina average of 38. In Polkton, 29% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 79% of Polkton residents were born in North Carolina, 17% were born out of state, 0% were born outside of the United States and 3% were foreign born.