Maple Valley Flag

Maple Valley

County:
King County
County Seat:
No
Area (mi²):
6.004
State:
Washington

Maple Valley is a city located in King County, Washington. Maple Valley has a 2025 population of 28,666. Maple Valley is currently growing at a rate of 0.41% annually and its population has increased by 2.07% since the most recent census, which recorded a population of 28,085 in 2020.

The average household income in Maple Valley is $160,237 with a poverty rate of 5.13%.The median age in Maple Valley is 36.5 years: 35.5 years for males, and 37.5 years for females.

28.7K
Total Population
4,774
Density (mi²)
116 0.41%
Growth

Maple Valley Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)