Keystone is located in southwest West Virginia. Keystone is part of Mcdowell County. Keystone has 0.32 square miles of land area and has no water area. As of 2010-2014, the total Keystone population is 246, which has shrunk 45.70% 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%. Keystone median household income is $32,500 in 2010-2014 and has grown by 211.99% since 2000. The income growth rate is much higher than the state average rate of 40.01% and is much higher than the national average rate of 27.36%. Keystone median house value is $31,600 in 2010-2014 and has grown by 31.67% since 2000. The house value growth rate is lower than 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 Keystone is worse than the state average in quality.