Duvall city, Washington
Official LSAD Designation: Duvall city • Census GEOID: 5319035
• King County
Duvall city is an incorporated city in King County, Washington. According to official records from the Census (2025), Duvall city had an estimated population of 9,440 residents. Official Census Bureau geographic records classify this community under LSAD designation Duvall city (GEOID 5319035).
Local Government Administration U.S. Census Bureau GMAF
City Of Duvall
Municipal
Official Title:
City Clerk
Address:
PO BOX 1300, DUVALL WA 98019-1300
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 | 9,440 | 2025 |
| Median Household Income | $197,361 | 2020-2024 |
| Median Home Value | $830,100 | 2020-2024 |
| Land Area | 2.45 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).