Monroe is located in west Washington. Monroe is part of Snohomish County. Monroe has 6.05 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total Monroe population is 17,564, which has grown 27.32% 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%. Monroe median household income is $66,649 in 2010-2014 and has grown by 32.27% since 2000. The income growth rate is about the same as the state average rate of 31.72% and is higher than the national average rate of 27.36%. Monroe median house value is $244,700 in 2010-2014 and has grown by 34.90% since 2000. The house value growth rate is much lower than the state average rate of 52.82% and is lower 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 Monroe is close to the state average in quality. The Monroe area code is 360.