Clay county is located in northeast Arkansas. Clay county has 639.46 square miles of land area and 1.97 square miles of water area. As of 2010-2014, the total Clay county population is 15,577, which has shrunk 11.54% since 2000. The population growth rate is much lower than the state average rate of 10.24% and is much lower than the national average rate of 11.61%. Clay county median household income is $32,057 in 2010-2014 and has grown by 26.48% since 2000. The income growth rate is lower than the state average rate of 28.22% and is about the same as the national average rate of 27.36%. Clay county median house value is $64,100 in 2010-2014 and has grown by 61.87% since 2000. The house value growth rate is higher than the state average rate of 49.31% 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 Clay county is better than the state average in quality. The Clay county area code is 870.
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