Fairfield, NC has a population of 267 and is the 23,070th largest city in the United States. The population density is 38 per sq mi which is 79% lower than the North Carolina average and 58% lower than the national average. The median age in Fairfield is 71 which is approximately 86% higher than the North Carolina average of 38. In Fairfield, 61% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 92% of Fairfield residents were born in North Carolina, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.