Federal Way city, Washington
Official LSAD Designation: Federal Way city • Census GEOID: 5323515
• King County
Federal Way city is an incorporated city in King County, Washington. According to official records from the Census (2025), Federal Way city had an estimated population of 99,729 residents. Official Census Bureau geographic records classify this community under LSAD designation Federal Way city (GEOID 5323515).
Local Government Administration U.S. Census Bureau GMAF
City Of Federal Way
Municipal
Official Title:
Lead Financial Analyst
Address:
33325 8TH AVE S, FEDERAL WAY WA 98003-6325
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 | 99,729 | 2025 |
| Median Household Income | $86,909 | 2020-2024 |
| Median Home Value | $552,800 | 2020-2024 |
| Land Area | 22.31 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).