57638 Zip Code
57638 zip code is located in northwest South Dakota. 57638 zip code is between the Perkins, Adams, Corson, Grant, Sioux county. 57638 zip code has 976.87 square miles of land area and 10.32 square miles of water area. As of 2010-2014, the total 57638 zip code population is 2,041, which has shrunk 2.25% 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%. 57638 zip code median household income is $37,679 in 2010-2014 and has grown by 32.40% since 2000. The income growth rate is lower than the state average rate of 42.67% and is higher than the national average rate of 27.36%. 57638 zip code median house value is $58,700 in 2010-2014 and has grown by 76.81% since 2000. The house value growth rate is 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 57638 zip code is much better than the state average in quality. The 57638 zip code area code is 605.