Gilmer is located in east Texas. Gilmer is between the Upshur, Camp, Gregg county. Gilmer has 3.79 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Gilmer population is 5,031, which has grown 4.83% 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%. Gilmer median household income is $46,618 in 2010-2014 and has grown by 63.65% since 2000. The income growth rate is much higher than the state average rate of 31.68% and is much higher than the national average rate of 27.36%. Gilmer median house value is $84,700 in 2010-2014 and has grown by 40.70% 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 Gilmer is close to the state average in quality. The Gilmer area codes are 430, 903.