Mitchell, IA has a population of 171 and is the 25,130th largest city in the United States. The population density is 314 per sq mi which is 475% higher than the Iowa average and 247% higher than the national average. The median age in Mitchell is 54 which is approximately 41% higher than the Iowa average of 38. In Mitchell, 65% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 75% of Mitchell residents were born in Iowa, 25% were born out of state, 0% were born outside of the United States and 0% were foreign born.