Mcmechen is located in north West Virginia. Mcmechen is part of Marshall County. Mcmechen has 0.57 square miles of land area and 0.26 square miles of water area. As of 2010-2014, the total Mcmechen population is 1,686, which has shrunk 12.96% 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%. Mcmechen median household income is $40,556 in 2010-2014 and has grown by 49.22% 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%. Mcmechen median house value is $68,300 in 2010-2014 and has grown by 56.65% since 2000. The house value growth rate is much higher than the state average rate of 37.64% 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 Mcmechen is close to the state average in quality. The Mcmechen area code is 304.