Clay is located in west Kentucky. Clay is between the Webster, Union county. Clay has 0.86 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Clay population is 1,274, which has grown 8.06% since 2000. The population growth rate is about the same as the state average rate of 8.45% and is lower than the national average rate of 11.61%. Clay median household income is $41,274 in 2010-2014 and has grown by 30.51% since 2000. The income growth rate is higher than the state average rate of 28.72% and is higher than the national average rate of 27.36%. Clay median house value is $56,400 in 2010-2014 and has grown by 20.26% since 2000. The house value growth rate is much lower than the state average rate of 40.25% and is much 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 is close to the state average in quality. The Clay area code is 270.