Maltby is located in west Washington. Maltby is part of Snohomish County. Maltby has 19.38 square miles of land area and 0.07 square miles of water area. As of 2010-2014, the total Maltby population is 11,447, which has grown 38.47% 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%. Maltby median household income is $107,535 in 2010-2014 and has grown by 38.69% since 2000. The income growth rate is higher than the state average rate of 31.72% and is higher than the national average rate of 27.36%. Maltby median house value is $421,600 in 2010-2014 and has grown by 46.69% since 2000. The house value growth rate is lower than the state average rate of 52.82% 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 Maltby is better than the state average in quality.