Delmont is located in southeast South Dakota. Delmont is between the Douglas, Charles Mix, Hutchinson county. Delmont has 0.76 square miles of land area and has no water area. As of 2010-2014, the total Delmont population is 220, which has shrunk 16.35% since 2000. The population growth rate is much lower than the state average rate of 10.58% and is much lower than the national average rate of 11.61%. Delmont median household income is $38,750 in 2010-2014 and has grown by 63.16% since 2000. The income growth rate is higher than the state average rate of 42.67% and is much higher than the national average rate of 27.36%. Delmont median house value is $43,600 in 2010-2014 and has grown by 48.81% since 2000. The house value growth rate is lower than the state average rate of 70.48% and is about the same as the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Delmont is much better than the state average in quality. The Delmont area code is 605.