57631 Zip Code
57631 zip code is located close to the center of South Dakota. 57631 zip code is between the Walworth, Campbell county. 57631 zip code has 156.46 square miles of land area and 33.18 square miles of water area. As of 2010-2014, the total 57631 zip code population is 300, which has shrunk 27.18% 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%. 57631 zip code median household income is $54,375 in 2010-2014 and has grown by 62.11% 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%. 57631 zip code median house value is $85,000 in 2010-2014 and has grown by 83.59% 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 57631 zip code is much better than the state average in quality. The 57631 zip code area code is 605.
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