Clay county is located close to the center of West Virginia. Clay county has 341.90 square miles of land area and 1.91 square miles of water area. As of 2010-2014, the total Clay county population is 9,226, which has shrunk 10.69% since 2000. The population growth rate is much lower than the state average rate of 2.52% and is much lower than the national average rate of 11.61%. Clay county median household income is $32,933 in 2010-2014 and has grown by 48.88% since 2000. The income growth rate is higher than the state average rate of 40.01% and is much higher than the national average rate of 27.36%. Clay county median house value is $77,100 in 2010-2014 and has grown by 38.67% since 2000. The house value growth rate is about the same as the state average rate of 37.64% and is lower 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 304.
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