Rockwall is located in northeast Texas. Rockwall is between the Rockwall, Collin county. Rockwall has 27.68 square miles of land area and 0.54 square miles of water area. As of 2010-2014, the total Rockwall population is 39,948, which has grown 122.23% 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%. Rockwall median household income is $86,627 in 2010-2014 and has grown by 32.43% since 2000. The income growth rate is about the same as the state average rate of 31.68% and is higher than the national average rate of 27.36%. Rockwall median house value is $188,500 in 2010-2014 and has grown by 21.14% 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 Rockwall is much better than the state average in quality. The Rockwall area codes are 469, 972.