58631 Zip Code
58631 zip code is located in southwest North Dakota. 58631 zip code is between the Morton, Grant, Mercer, Oliver county. 58631 zip code has 370.39 square miles of land area and 2.19 square miles of water area. As of 2010-2014, the total 58631 zip code population is 986, which has shrunk 23.98% 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%. 58631 zip code median household income is $47,574 in 2010-2014 and has grown by 66.56% since 2000. The income growth rate is higher than the state average rate of 60.61% and is much higher than the national average rate of 27.36%. 58631 zip code median house value is $95,900 in 2010-2014 and has grown by 180.41% 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 58631 zip code is much better than the state average in quality. The 58631 zip code area code is 701.