Maple Valley city, Washington
Official LSAD Designation: Maple Valley city • Census GEOID: 5343150
• King County
Maple Valley city is an incorporated city in King County, Washington. According to official records from the Census (2025), Maple Valley city had an estimated population of 28,482 residents. Official Census Bureau geographic records classify this community under LSAD designation Maple Valley city (GEOID 5343150).
Local Government Administration U.S. Census Bureau GMAF
City Of Maple Valley
Municipal
Official Title:
Associate Planner
Address:
PO BOX 320, MAPLE VALLEY WA 98038-0320
County Of King
County
Official Title:
Demographer
Address:
401 5TH AVE, STE 800, SEATTLE WA 98104-2391
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 28,482 | 2025 |
| Median Household Income | $152,885 | 2020-2024 |
| Median Home Value | $724,700 | 2020-2024 |
| Land Area | 6.00 sq mi | Gazetteer (2026) |
| Civic & Public Services | Hospitals, Libraries, Colleges | CMS / IMLS / IPEDS |
| Schools & Districts | NCES Directory Listings | Provided by k12guides.com |
| Nearby Airports | Landing Facilities | Provided by airport-data.com |
| Climate & Weather | NOAA 30-Year Normals | 1991–2020 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).