Tomball is located in east Texas. Tomball is part of Harris County. Tomball has 11.77 square miles of land area and 0.18 square miles of water area. As of 2010-2014, the total Tomball population is 11,030, which has grown 21.36% since 2000. The population growth rate is lower than the state average rate of 25.13% and is much higher than the national average rate of 11.61%. Tomball median household income is $42,070 in 2010-2014 and has grown by 11.33% since 2000. The income growth rate is much lower than the state average rate of 31.68% and is much lower than the national average rate of 27.36%. Tomball median house value is $156,500 in 2010-2014 and has grown by 44.11% since 2000. The house value growth rate is lower than the state average rate of 59.27% 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 Tomball is better than the state average in quality. The Tomball area codes are 281, 832.