Tonkawa is located close to the center of Oklahoma. Tonkawa is part of Kay County. Tonkawa has 5.37 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Tonkawa population is 3,144, which has shrunk 4.70% 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%. Tonkawa median household income is $39,609 in 2010-2014 and has grown by 34.78% since 2000. The income growth rate is lower than the state average rate of 38.43% and is higher than the national average rate of 27.36%. Tonkawa median house value is $61,000 in 2010-2014 and has grown by 45.93% since 2000. The house value growth rate is lower than the state average rate of 62.66% 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 Tonkawa is better than the state average in quality. The Tonkawa area code is 580.