Lewiston is located in northwest California. Lewiston is part of Trinity County. Lewiston has 20.01 square miles of land area and has no water area. As of 2010-2014, the total Lewiston population is 1,480, which has grown 13.41% since 2000. The population growth rate is higher than the state average rate of 12.39% and is higher than the national average rate of 11.61%. Lewiston median household income is $33,929 in 2010-2014 and has grown by 11.24% since 2000. The income growth rate is much lower than the state average rate of 29.47% and is much lower than the national average rate of 27.36%. Lewiston median house value is $224,400 in 2010-2014 and has grown by 116.18% since 2000. The house value growth rate is much higher than the state average rate of 75.60% 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 Lewiston is much better than the state average in quality. The Lewiston area code is 530.