Charleston, AR has a population of 2,799 and is the 9,151st largest city in the United States. The population density is 676 per sq mi which is 1120% higher than the Arkansas average and 647% higher than the national average. The median age in Charleston is 39 which is approximately 3% higher than the Arkansas average of 38. In Charleston, 61% of the population over 15 years of age are married, 99% speak English and 1% speak Spanish. 72% of Charleston residents were born in Arkansas, 25% were born out of state, 1% were born outside of the United States and 1% were foreign born.