Lewisville is located in southwest Washington. Lewisville has 5.61 square miles of land area and 0.04 square miles of water area. As of 2010-2014, the total Lewisville population is 1,945, which has grown 15.23% since 2000. The population growth rate is lower than the state average rate of 17.05% and is higher than the national average rate of 11.61%. Lewisville median household income is $71,616 in 2010-2014 and has grown by 9.81% since 2000. The income growth rate is much lower than the state average rate of 31.72% and is much lower than the national average rate of 27.36%. Lewisville median house value is $328,700 in 2010-2014 and has grown by 52.46% since 2000. The house value growth rate is about the same as the state average rate of 52.82% 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 Lewisville is better than the state average in quality.