Columbus is located in southeast Texas. Columbus is part of Colorado County. Columbus has 2.87 square miles of land area and 0.00 square miles of water area. As of 2010-2014, the total Columbus population is 3,658, which has shrunk 6.59% 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%. Columbus median household income is $41,833 in 2010-2014 and has grown by 43.39% since 2000. The income growth rate is higher than the state average rate of 31.68% and is much higher than the national average rate of 27.36%. Columbus median house value is $124,300 in 2010-2014 and has grown by 55.96% 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 Columbus is close to the state average in quality. The Columbus area code is 979.