Mossyrock city, Washington
Official LSAD Designation: Mossyrock city • Census GEOID: 5347315
• Lewis County
Mossyrock city is an incorporated city in Lewis County, Washington. According to official records from the Census (2025), Mossyrock city had an estimated population of 806 residents. Official Census Bureau geographic records classify this community under LSAD designation Mossyrock city (GEOID 5347315).
Local Government Administration U.S. Census Bureau GMAF
City Of Mossyrock
Municipal
Official Title:
Clerk Treasurer
Address:
PO BOX 96, MOSSYROCK WA 98564-0096
County Of Lewis
County
Official Title:
Budget Director
Address:
351 NW NORTH ST, CHEHALIS WA 98532-1926
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 806 | 2025 |
| Median Household Income | $53,333 | 2020-2024 |
| Median Home Value | $280,400 | 2020-2024 |
| Land Area | 0.75 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).