Kiron, IA has a population of 262 and is the 23,185th largest city in the United States. The population density is 1,257 per sq mi which is 2202% higher than the Iowa average and 1288% higher than the national average. The median age in Kiron is 38 which is approximately 1% higher than the Iowa average of 38. In Kiron, 76% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 74% of Kiron residents were born in Iowa, 20% were born out of state, 0% were born outside of the United States and 5% were foreign born.