Martha is located in southwest Oklahoma. Martha is part of Jackson County. Martha has 0.25 square miles of land area and has no water area. As of 2010-2014, the total Martha population is 140, which has shrunk 31.71% since 2000. The population growth rate is much lower than the state average rate of 10.67% and is much lower than the national average rate of 11.61%. Martha median household income is $30,625 in 2010-2014 and has grown by 53.13% since 2000. The income growth rate is higher than the state average rate of 38.43% and is much higher than the national average rate of 27.36%. Martha median house value is $53,600 in 2010-2014 and has grown by 42.93% since 2000. The house value growth rate is lower than the state average rate of 62.66% 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 Martha is much better than the state average in quality. The Martha area code is 580.