Arapahoe, NC has a population of 453 and is the 20,157th largest city in the United States. The population density is 209 per sq mi which is 15% higher than the North Carolina average and 130% higher than the national average. The median age in Arapahoe is 52 which is approximately 35% higher than the North Carolina average of 38. In Arapahoe, 73% of the population over 15 years of age are married, 98% speak English and 2% speak Spanish. 83% of Arapahoe residents were born in North Carolina, 15% were born out of state, 0% were born outside of the United States and 1% were foreign born.