Sunnyvale is located in northeast Texas. Sunnyvale is between the Dallas, Kaufman county. Sunnyvale has 16.54 square miles of land area and 0.28 square miles of water area. As of 2010-2014, the total Sunnyvale population is 5,480, which has grown 103.49% 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%. Sunnyvale median household income is $100,517 in 2010-2014 and has grown by 15.60% 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%. Sunnyvale median house value is $305,100 in 2010-2014 and has grown by 47.68% since 2000. The house value growth rate is lower than the state average rate of 59.27% and is about the same as 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 Sunnyvale is much better than the state average in quality. The Sunnyvale area code is 972.