Roslyn city, Washington
Official LSAD Designation: Roslyn city • Census GEOID: 5360055
• Kittitas County
Roslyn city is an incorporated city in Kittitas County, Washington. According to official records from the Census (2025), Roslyn city had an estimated population of 962 residents. Official Census Bureau geographic records classify this community under LSAD designation Roslyn city (GEOID 5360055).
Local Government Administration U.S. Census Bureau GMAF
City Of Roslyn
Municipal
Official Title:
Clerk - Treasurer
Address:
PO BOX 451, ROSLYN WA 98941-0451
County Of Kittitas
County
Official Title:
Chairman
Address:
205 W 5TH AVE, STE 108, ELLENSBURG WA 98926-2887
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 962 | 2025 |
| Median Household Income | $104,800 | 2020-2024 |
| Median Home Value | $565,200 | 2020-2024 |
| Land Area | 4.39 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).