57031 Zip Code
57031 zip code is located in southeast South Dakota. 57031 zip code is between the Yankton, Clay county. 57031 zip code has 48.34 square miles of land area and 2.08 square miles of water area. As of 2010-2014, the total 57031 zip code population is 624, which has shrunk 9.43% 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%. 57031 zip code median household income is $57,885 in 2010-2014 and has grown by 49.38% 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%. 57031 zip code median house value is $89,300 in 2010-2014 and has grown by 59.46% since 2000. The house value growth rate is lower than the state average rate of 70.48% and is 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 57031 zip code is much better than the state average in quality. The 57031 zip code area code is 605.