Wilmer is located in northeast Texas. Wilmer is part of Dallas County. Wilmer has 6.38 square miles of land area and 0.05 square miles of water area. As of 2010-2014, the total Wilmer population is 3,779, which has grown 11.38% since 2000. The population growth rate is much lower than the state average rate of 25.13% and is about the same as the national average rate of 11.61%. Wilmer median household income is $37,833 in 2010-2014 and has grown by 11.79% since 2000. The income growth rate is much lower than the state average rate of 31.68% and is much lower than the national average rate of 27.36%. Wilmer median house value is $70,900 in 2010-2014 and has grown by 106.71% since 2000. The house value growth rate is much higher than the state average rate of 59.27% and is much 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 Wilmer is worse than the state average in quality. The Wilmer area code is 972.