Lewiston is located in northwest Idaho. Lewiston is part of Nez Perce County. Lewiston has 17.23 square miles of land area and 0.81 square miles of water area. As of 2010-2014, the total Lewiston population is 32,178, which has grown 4.12% since 2000. The population growth rate is much lower than the state average rate of 23.61% and is much lower than the national average rate of 11.61%. Lewiston median household income is $45,148 in 2010-2014 and has grown by 23.33% since 2000. The income growth rate is lower than the state average rate of 25.98% and is lower than the national average rate of 27.36%. Lewiston median house value is $165,400 in 2010-2014 and has grown by 56.04% since 2000. The house value growth rate is higher than the state average rate of 50.99% 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 Lewiston is better than the state average in quality. The Lewiston area code is 208.