Waterville is located close to the center of Washington. Waterville is part of Douglas County. Waterville has 0.87 square miles of land area and has no water area. As of 2010-2014, the total Waterville population is 1,822, which has grown 56.66% since 2000. The population growth rate is much higher than the state average rate of 17.05% and is much higher than the national average rate of 11.61%. Waterville median household income is $42,061 in 2010-2014 and has grown by 15.37% 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%. Waterville median house value is $151,800 in 2010-2014 and has grown by 53.02% 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 Waterville is worse than the state average in quality. The Waterville area code is 509.