Chariton, IA has a population of 4,219 and is the 7,194th largest city in the United States. The population density is 1,105 per sq mi which is 1924% higher than the Iowa average and 1120% higher than the national average. The median age in Chariton is 47 which is approximately 24% higher than the Iowa average of 38. In Chariton, 57% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 78% of Chariton residents were born in Iowa, 20% were born out of state, 0% were born outside of the United States and 3% were foreign born.