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.

Demographics

The racial composition of Maple Valley includes 73.74% White, 12.44% Asian, and smaller percentages for Black or African American, other race, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Asian

Two or more races

Black or African American

Other race

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	20,737	73.74%
Asian	3,499	12.44%
Two or more races	2,737	9.73%
Black or African American	528	1.88%
Other race	445	1.58%
Native American	92	0.33%
Native Hawaiian or Pacific Islander	83	0.3%

Maple Valley Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Maple Valley's average per capita income is $84,500. Household income levels show a median of $147,546. The poverty rate stands at 5.13%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.

Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.

Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.

Name	Median	Mean
Married Families	$165,167	-
Families	$153,972	$171,432
Households	$147,546	$160,237
Non Families	$70,764	$89,627

$84,500

Average Income

$147,546

Median Household Income

5.13%

Poverty Rate