About Hamilton, WA Real EstateInformation About HamiltonHamilton is located in Washington. Hamilton, Washington has a population of 273. Hamilton is less family-centric than the surrounding county with 17% households with children. The county percentage for households with children is 26%. The median household income in Hamilton, Washington is $58,311. The median household income for the surrounding county is $58,165 compared to the national median of $57,525. The median age of people living in Hamilton is 46.9 years. Hamilton WeatherThe average high temperature in July is 74.49 degrees, with an average low temperature in January of 31.96 degrees. The annual precipitation is 62.23. Hamilton MapHamilton real estate officesReal estate near HamiltonNearby Cities |