Belville, NC has a population of 2,473 and is the 9,921st largest city in the United States. The population density is 1,471 per sq mi which is 712% higher than the North Carolina average and 1523% higher than the national average. The median age in Belville is 38 which is approximately 2% lower than the North Carolina average of 38. In Belville, 62% of the population over 15 years of age are married, 94% speak English and 5% speak Spanish. 56% of Belville residents were born in North Carolina, 39% were born out of state, 1% were born outside of the United States and 4% were foreign born.