Sunnyside Population 2026
Sunnyside has a population of 16,325, making it the #2878 biggest city in 🇺🇸 United States, located in Washington. It is about 539× smaller than New York City, the country's biggest city.
Population (city proper)
16,325
Rank in United States
#2878
Coordinates
46.32°N, 120.01°W
~227 m elevation · America/Los_Angeles
Distance to capital (Washington)
3,566 km
2,214 miles, straight line
Other big cities in Washington
Cities near Sunnyside
- Yakima93,701 people · ~49 km away
- Tri-Cities244,036 people · ~63 km away
- Hermiston17,201 people · ~77 km away
- Ellensburg19,001 people · ~85 km away
- Moses Lake22,082 people · ~106 km away
- Pendleton16,881 people · ~119 km away
FAQ
What is the population of Sunnyside?
Sunnyside has a population of 16,325 (city proper, latest official figure via GeoNames), making it the #2878 biggest city in United States.
What state is Sunnyside in?
Sunnyside is located in Washington, United States.
Is Sunnyside the capital of United States?
No, the capital of United States is Washington D.C., about 3,566 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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