Auburn city, Washington
Official LSAD Designation: Auburn city • Census GEOID: 5303180
• King County / Pierce County
Auburn city is an incorporated city in King County, Pierce County, Washington. According to official records from the Census (2025), Auburn city had an estimated population of 86,301 residents. Official Census Bureau geographic records classify this community under LSAD designation Auburn city (GEOID 5303180).
Local Government Administration U.S. Census Bureau GMAF
City Of Auburn
Municipal
Official Title:
Administrative And Business Services
Address:
25 W MAIN ST, AUBURN WA 98001-4998
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 | 86,301 | 2025 |
| Median Household Income | $97,884 | 2020-2024 |
| Median Home Value | $547,900 | 2020-2024 |
| Land Area | 29.82 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).