Ninnekah is located close to the center of Oklahoma. Ninnekah is part of Grady County. Ninnekah has 10.18 square miles of land area and has no water area. As of 2010-2014, the total Ninnekah population is 990, which has shrunk 0.40% 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%. Ninnekah median household income is $59,205 in 2010-2014 and has grown by 89.88% since 2000. The income growth rate is much higher than the state average rate of 38.43% and is much higher than the national average rate of 27.36%. Ninnekah median house value is $100,700 in 2010-2014 and has grown by 50.97% since 2000. The house value growth rate is lower than the state average rate of 62.66% 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 Ninnekah is better than the state average in quality. The Ninnekah area code is 405.