Mannington is located in north West Virginia. Mannington is between the Marion, Harrison, Monongalia county. Mannington has 1.10 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Mannington population is 1,961, which has shrunk 7.67% 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%. Mannington median household income is $44,688 in 2010-2014 and has grown by 66.71% 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%. Mannington median house value is $69,500 in 2010-2014 and has grown by 65.87% 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 Mannington is much better than the state average in quality. The Mannington area code is 304.