Mill Creek city, Washington
Official LSAD Designation: Mill Creek city • Census GEOID: 5345865
• Snohomish County
Mill Creek city is an incorporated city in Snohomish County, Washington. According to official records from the Census (2025), Mill Creek city had an estimated population of 20,902 residents. Official Census Bureau geographic records classify this community under LSAD designation Mill Creek city (GEOID 5345865).
Local Government Administration U.S. Census Bureau GMAF
City Of Mill Creek
Municipal
Official Title:
City Manager
Address:
15728 MAIN ST, MILL CREEK WA 98012-1518
County Of Snohomish
County
Official Title:
Executive Management Analyst
Address:
3000 ROCKEFELLER AVENUE, MS 407, EVERETT WA 98201-4060
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 20,902 | 2025 |
| Median Household Income | $124,364 | 2020-2024 |
| Median Home Value | $903,800 | 2020-2024 |
| Land Area | 4.64 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).