State
County
Land Area (mi²)
6.0 sq mi
Density (mi²)
4,587.0/sq mi
2020 Growth Rate
0.62%
Growth Since 2010
21.42%
Rank in State
Rank in Country
Maple Valley is a city located in King County Washington. With a 2020 population of 27,542, it is the 41st largest city in Washington and the 1397th largest city in the United States . Maple Valley is currently growing at a rate of 0.62% annually and its population has increased by 21.42% since the most recent census, which recorded a population of 22,684 in 2010. Maple Valley reached it's highest population of 27,542 in 2021. Spanning over 6 miles, Maple Valley has a population density of 4,587 people per square mile.
The average household income in Maple Valley is $126,213 with a poverty rate of 3.46%. The median rental costs in recent years comes to $2,003 per month, and the median house value is $414,400. The median age in Maple Valley is 35.2 years, 34.9 years for males, and 35.6 years for females.
According to the most recent ACS, the racial composition of Maple Valley was:
| Race | Population | Percentage |
|---|---|---|
| White | 21,698 | 82.34% |
| Two or More Races | 2,280 | 8.65% |
| Asian | 1,760 | 6.68% |
| Some Other Race | 279 | 1.06% |
| Black or African American | 234 | 0.89% |
| American Indian and Alaska Native | 61 | 0.23% |
| Native Hawaiian and Other Pacific Islander | 40 | 0.15% |
| Type | Count | Average Size | Owned |
|---|---|---|---|
| All | 8,666 | 3.04 | 84.5 |
| Married | 6,031 | 3.44 | 88.7 |
| Non Family | 1,572 | 1.27 | 81 |
| Female | 763 | 3.46 | 62.8 |
| Male | 300 | 3.24 | 75 |
3.38
Average Family Size
3.04
Average Household Size
| Education Attained | Count | Percentage |
|---|---|---|
| Less Than 9th Grade | 69 | 0.42% |
| 9th to 12th Grade | 395 | 2.40% |
| High School Graduate | 2,589 | 15.72% |
| Some College | 4,289 | 26.05% |
| Associates Degree | 1,809 | 10.99% |
| Bachelors Degree | 4,887 | 29.68% |
| Graduate Degree | 2,427 | 14.74% |
| Race | Total | High School | Bachelors |
|---|---|---|---|
| White | 13,554 | 13,147 | 5,948 |
| Asian | 1,223 | 1,200 | 714 |
| Hispanic | 787 | 770 | 338 |
| 2+ Races | 768 | 751 | 286 |
| Other Race | 279 | 271 | 96 |
| Black | 152 | 152 | 65 |
| Native American | 37 | 37 | |
| Islander | 20 | 20 | 20 |
The highest rate of high school graduation is among black people with a rate of 100.00%.
The highest rate of bachelors degrees is among islander people with a rate of 100.00%.
$65,513
Average Earnings
$85,164
Average Male
$43,806
Average Female
89.79% of Maple Valley residents speak only English, while 10.21% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 3.82% of the population.
| Name | Total | In Poverty | Poverty Rate |
|---|---|---|---|
| White | 20,687 | 715 | 3.46% |
| Multiple | 2,199 | 94 | 4.27% |
| Asian | 1,760 | 92 | 5.23% |
| Hispanic | 1,455 | 46 | 3.16% |
3.46%
Overall Poverty Rate
3.41%
Male Poverty Rate
3.51%
Female Poverty Rate
The race most likely to be in poverty in Maple Valley is Asian, with 5.23% below the poverty level.
The race least likely to be in poverty in Maple Valley is Hispanic, with 3.16% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0.61%. Among those working part-time, it was 3.98%, and for those that did not work, the poverty rate was 7.79%.
66.6%
Overall Marriage Rate
69.9%
Male Marriage Rate
63.5%
Female Marriage Rate
The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 35-44.
| Name | Veterans | % of Total |
|---|---|---|
| White | 1,084 | 7.28% |
| Hispanic | 74 | 8.40% |
| Asian | 60 | 4.39% |
| Other Race | 38 | 13.62% |
| 2+ Races | 37 | 4.09% |
| Black | 28 | 15.05% |
| Native American | 16 | 43.24% |
3.56%
Veteran Poverty Rate
21.69%
Veteran Disability Rate
74%
Labor Force Participation
69.9%
Employment Rate
5.3%
Unemployment Rate
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
91.89%
Native Born
8.11%
Foreign Born
3.29%
Non Citizen
4.81%
Naturalized
91.89% of Maple Valley residents were born in the United States, with 50.13% having been born in Washington. 3.29% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
| Year | Population | Growth | Annual Growth Rate |
|---|---|---|---|
| 2021 | 27,542 | 170 | 0.62% |
| 2020 | 27,372 | 170 | 0.62% |
| 2019 | 27,202 | 170 | 0.63% |
| 2018 | 27,032 | 1,079 | 4.16% |
| 2017 | 25,953 | 145 | 0.56% |
| 2016 | 25,808 | 98 | 0.38% |
| 2015 | 25,710 | 574 | 2.28% |
| 2014 | 25,136 | 360 | 1.45% |
| 2013 | 24,776 | 587 | 2.43% |
| 2012 | 24,189 | 730 | 3.11% |
| 2011 | 23,459 | 609 | 2.67% |
| 2010 | 22,850 | 8,641 | 4.87% |
| 2000 | 14,209 | 0.00% |