Sunnyside city, Washington
Official LSAD Designation: Sunnyside city • Census GEOID: 5368750
• Yakima County
Sunnyside city is an incorporated city in Yakima County, Washington. According to official records from the Census (2025), Sunnyside city had an estimated population of 16,430 residents. Official Census Bureau geographic records classify this community under LSAD designation Sunnyside city (GEOID 5368750).
Local Government Administration U.S. Census Bureau GMAF
City Of Sunnyside
Municipal
Official Title:
Mayor
Address:
818 E EDISON AVE, SUNNYSIDE WA 98944-2206
County Of Yakima
County
Official Title:
Chairperson
Address:
128 N 2ND ST, RM 232, YAKIMA WA 98901-2639
Civic & Statistical Snapshot
| Category | Estimate | Survey Period / Source |
|---|---|---|
| Total Population | 16,430 | 2025 |
| Median Household Income | $60,923 | 2020-2024 |
| Median Home Value | $240,700 | 2020-2024 |
| Land Area | 7.62 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).