Underwood is located close to the center of North Dakota. Underwood is part of Mclean County. Underwood has 0.91 square miles of land area and has no water area. As of 2010-2014, the total Underwood population is 746, which has shrunk 8.13% since 2000. The population growth rate is much lower than the state average rate of 9.77% and is much lower than the national average rate of 11.61%. Underwood median household income is $53,828 in 2010-2014 and has grown by 52.70% since 2000. The income growth rate is lower than the state average rate of 60.61% and is much higher than the national average rate of 27.36%. Underwood median house value is $101,800 in 2010-2014 and has grown by 144.12% since 2000. The house value growth rate is much higher than the state average rate of 90.86% 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 Underwood is much better than the state average in quality. The Underwood area code is 701.