Yelm is located in west Washington. Yelm is part of Thurston County. Yelm has 5.68 square miles of land area and 0.01 square miles of water area. As of 2010-2014, the total Yelm population is 7,398, which has grown 124.93% 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%. Yelm median household income is $49,658 in 2010-2014 and has grown by 25.87% since 2000. The income growth rate is lower than the state average rate of 31.72% and is lower than the national average rate of 27.36%. Yelm median house value is $200,900 in 2010-2014 and has grown by 71.12% since 2000. The house value growth rate is higher than the state average rate of 52.82% 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 Yelm is better than the state average in quality. The Yelm area code is 360.