Walworth county is located close to the center of South Dakota. Walworth county has 708.63 square miles of land area and 35.99 square miles of water area. As of 2010, the total Walworth county population is 5,438, which has shrunk 8.97% since 2000. The population growth rate is much lower than the state average rate of 7.86% and is much lower than the national average rate of 9.71%. Walworth county median household income is $39,517 in 2006-2010 and has grown by 41.97% 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%. Walworth county median house value is $62,500 in 2006-2010 and has grown by 55.09% since 2000. The house value growth rate is lower than the state average rate of 62.94% and is higher 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 Walworth county is much better than the state average in quality. The Walworth county area code is 605.
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