Milltown is located in southeast South Dakota. Milltown is between the Hutchinson, Douglas, Hanson county. Milltown has 0.44 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Milltown population is 20, which has grown 150.00% since 2000. The population growth rate is much higher than the state average rate of 10.58% and is much higher than the national average rate of 11.61%. Milltown median household income is $8,750 in 2000. Milltown median house value is $55,000 in 2000. On average, the public school district that covers Milltown is much better than the state average in quality.