| Place Name | Maple Valley |
| Place Type | City |
| ZIP Code(s) | 98038 |
| County | King County |
| Area Code(s) | 425,360 |
| Timezone | Pacific Standard Time (PST) |
| Population (2022) | 22,663 |
| Population Growth Rate (2010-19) | 23.49% |
| Majority Ethnicity | White 82.43% |
| Metro/Micro Stats Area | Seattle-Tacoma-Bellevue, WA |
| US Congressional District(s) | Washington 8th |
| State House Districts | 5 |
| State Senate Districts | 5 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 82.43% |
| African American | 1.8% |
| Hispanic | 0.22% |
| Asian | 10.54% |
| Native American | 0.41% |
| Hawaiin/Pacific Islander | 4.6% |