Tehuacana is located in east Texas. Tehuacana is part of Limestone County. Tehuacana has 1.58 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Tehuacana population is 244, which has shrunk 20.52% 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%. Tehuacana median household income is $46,875 in 2010-2014 and has grown by 32.16% since 2000. The income growth rate is about the same as the state average rate of 31.68% and is higher than the national average rate of 27.36%. Tehuacana median house value is $70,200 in 2010-2014 and has grown by 56.00% since 2000. The house value growth rate is lower 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 Tehuacana is worse than the state average in quality. The Tehuacana area code is 254.