Cairo is located close to the center of West Virginia. Cairo is part of Ritchie County. Cairo has 0.47 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Cairo population is 390, which has grown 48.29% since 2000. The population growth rate is much higher than the state average rate of 2.52% and is much higher than the national average rate of 11.61%. Cairo median household income is $31,500 in 2010-2014 and has grown by 27.59% since 2000. The income growth rate is lower than the state average rate of 40.01% and is about the same as the national average rate of 27.36%. Cairo median house value is $42,300 in 2010-2014 and has grown by 44.86% since 2000. The house value growth rate is higher than the state average rate of 37.64% and is about the same as 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 Cairo is better than the state average in quality. The Cairo area code is 304.