Maple Valley is a city located in King County, Washington. Maple Valley has a 2025 population of 28,669 . Maple Valley is currently growing at a rate of 0.41% annually and its population has increased by 2.08% since the most recent census, which recorded a population of 28,086 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. For every 100 females there are 105.8 males.
Data after 2023 is projected based on recent change
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.
White (73.74%)
Asian (12.44%)
Two or more races (9.73%)
Black or African American (1.88%)
Other race (1.58%)
Native American (0.33%)
Native Hawaiian or Pacific Islander (0.3%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $165,167 | - |
| Families | $153,972 | $171,432 |
| Households | $147,546 | $160,237 |
| Non Families | $70,764 | $89,627 |
Average Income
Median Household Income
Poverty Rate