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 2026 population of 28,786. Maple Valley is currently growing at a rate of 0.41% annually and its population has increased by 2.49% since the most recent census, which recorded a population of 28,086 in 2020.

The median household income in Maple Valley is $152,885 with a poverty rate of 4.77%. The median age in Maple Valley is 36.7 years: 36 years for males, and 37.3 years for females. For every 100 females there are 105.1 males.

28.8K
Total Population
4,794
Density (mi²)
117 0.41%
Growth

Maple Valley Population

Maple Valley Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202628,7861170.41%
202528,6691160.41%
202428,5532710.96%
202328,282-35-0.12%
202228,317710.25%
202128,2461600.57%
202028,086760.27%
201927,1811260.47%
201827,0551,0674.11%
201725,9881410.55%
201625,8471020.4%
201525,7455772.29%
201425,1683621.46%
201324,8065902.44%
201224,2167373.14%
201123,4797953.5%
201022,8541300.57%
200014,20900%

Median Age

Overall: 36.7 years
Female: 37.3 years
Male: 36 years

Maple Valley Adults

There are 19,437 adults, (2,705 of whom are seniors) in Maple Valley.

Sex Ratio

Female: 13,791 (48.8%)
Male: 14,496 (51.2%)

Demographics

The racial composition of Maple Valley includes 68.8% White, 15.57% Asian, and smaller percentages for other race, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White19,46168.8%
Asian4,40315.57%
Two or more races3,32211.74%
Other race4771.69%
Black or African American4431.57%
Native American910.32%
Native Hawaiian or Pacific Islander900.32%
Race
Population ↓
Percentage (of total)
Two or more races7872.78%
White3171.12%
Other race2520.89%
Native Hawaiian or Pacific Islander390.14%
Asian330.12%
Race
Population ↓
Percentage (of total)
White19,14467.68%
Asian4,37015.45%
Two or more races2,5358.96%
Black or African American4431.57%
Other race2250.8%
Native American910.32%
Native Hawaiian or Pacific Islander510.18%

Maple Valley Marital Status

Economics and Income Statistics

Maple Valley 's average per capita income is $87,535. Household income levels show a median of $152,885. The poverty rate stands at 4.77%.

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$172,316-
Families$163,654$178,503
Households$152,885$165,344
Non Families$72,875$94,467

$87,535

Average Income

$152,885

Median Household Income

4.77%

Poverty Rate

Nearby Cities

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)