what is the population of mitchell, sd
Expensive / Cheapest Homes by City in SD. Most / Least Educated Cities in SD. As of 2010-2014, the total population of Mitchell is 15,490, which is 6.40% more than it was in 2000. The population growth rate is lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%.