Union County
Union county is located in southeast South Dakota. Union county has 460.54 square miles of land area and 6.59 square miles of water area. As of 2010, the total Union county population is 14,399, which has grown 14.42% since 2000. The population growth rate is much higher than the state average rate of 7.86% and is higher than the national average rate of 9.71%. Union county median household income is $59,889 in 2006-2010 and has grown by 33.71% since 2000. The income growth rate is higher than the state average rate of 30.11% and is much higher than the national average rate of 19.17%. Union county median house value is $132,200 in 2006-2010 and has grown by 47.54% since 2000. The house value growth rate is lower than the state average rate of 62.94% and is lower than the national average rate of 50.42%. 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 Union county is much better than the state average in quality. The Union county area code is 605.
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