Gainesville is located in northeast Texas. Gainesville is part of Cooke County. Gainesville has 19.01 square miles of land area and 0.03 square miles of water area. As of 2010-2014, the total Gainesville population is 16,040, which has grown 3.23% since 2000. The population growth rate is much lower than the state average rate of 25.13% and is much lower than the national average rate of 11.61%. Gainesville median household income is $37,807 in 2010-2014 and has grown by 23.67% since 2000. The income growth rate is lower than the state average rate of 31.68% and is lower than the national average rate of 27.36%. Gainesville median house value is $91,500 in 2010-2014 and has grown by 63.39% since 2000. The house value growth rate is higher than the state average rate of 59.27% 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 Gainesville is worse than the state average in quality. The Gainesville area code is 940.