78640 Zip Code
78640 zip code is located close to the center of Texas. 78640 zip code is between the Hays, Caldwell county. 78640 zip code has 91.66 square miles of land area and 0.84 square miles of water area. As of 2010-2014, the total 78640 zip code population is 45,136, which has grown 182.08% since 2000. The population growth rate is much higher than the state average rate of 25.13% and is much higher than the national average rate of 11.61%. 78640 zip code median household income is $66,789 in 2010-2014 and has grown by 38.76% since 2000. The income growth rate is higher than the state average rate of 31.68% and is higher than the national average rate of 27.36%. 78640 zip code median house value is $140,900 in 2010-2014 and has grown by 39.64% 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 78640 zip code is worse than the state average in quality. The 78640 zip code area code is 512.