City · United States
Sunnyside
Sunnyside is a city in Yakima County, Washington, United States. The population was 16,375 at the 2020 census, making it the second-most populous city in Yakima County.
Good to know
- Population: 16,325.
- Founded: 1902.
- Area: 19.5 sq km.
- Elevation: 227 m.
- Timezone: America/Los_Angeles.