Maple Valley is located in Washington. Maple Valley, Washington has a population of 27,643. Maple Valley is more family-centric than the surrounding county with 47.51% of the households containing married families with children. The county average for households married with children is 35.99%.
The median household income in Maple Valley, Washington is $125,092. The median household income for the surrounding county is $106,326 compared to the national median of $69,021. The median age of people living in Maple Valley is 36.3 years.
The average high temperature in July is 75.6 degrees, with an average low temperature in January of 35.1 degrees. The average rainfall is approximately 52.8 inches per year, with 6 inches of snow per year.