Pierpont is located in northeast South Dakota. Pierpont is part of Day County. Pierpont has 0.15 square miles of land area and has no water area. As of 2010-2014, the total Pierpont population is 125, which has grown 2.46% 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%. Pierpont median household income is $47,500 in 2010-2014 and has grown by 61.21% 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%. Pierpont median house value is $48,900 in 2010-2014 and has grown by 340.54% since 2000. The house value growth rate is much higher than the state average rate of 70.48% and is much higher than 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 Pierpont is much better than the state average in quality. The Pierpont area code is 605.