Geronimo is located close to the center of Texas. Geronimo is part of Guadalupe County. Geronimo has 8.15 square miles of land area and has no water area. As of 2010-2014, the total Geronimo population is 1,085, which has grown 75.28% 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%. Geronimo median household income is $56,250 in 2010-2014 and has grown by 20.29% since 2000. The income growth rate is much lower than the state average rate of 31.68% and is lower than the national average rate of 27.36%. Geronimo median house value is $87,900 in 2010-2014 and has grown by -19.21% since 2000. The house value growth rate is much lower than the state average rate of 59.27% and is much 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 Geronimo is much better than the state average in quality. The Geronimo area code is 830.