Gaston, NC has a population of 1,162 and is the 14,223rd largest city in the United States. The population density is 687 per sq mi which is 280% higher than the North Carolina average and 659% higher than the national average. The median age in Gaston is 42 which is approximately 10% higher than the North Carolina average of 38. In Gaston, 44% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 72% of Gaston residents were born in North Carolina, 27% were born out of state, 0% were born outside of the United States and 1% were foreign born.