Sunnyside, Washington

Sunnyside population, 2020 to 2024

Sunnyside lost 79 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by +113. Among 125 Washington places of 5,000 or more, that growth ranks 94th; the median place changed by +2.6%. The median place of 5,000+ in Washington has 18,148 people, so Sunnyside is 90% of it.

Sunnyside covers 7.55 square miles of land, for 2,161 people per square mile of land. The median Washington place of 5,000+ has 2,694, so Sunnyside is less dense than the typical town.

What county Sunnyside is in

All of Sunnyside's residents live in Yakima County, which had 258,523 residents in 2024. Sunnyside holds 6.3% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Sunnyside

1 ZIP Code Tabulation Area (ZCTA) overlaps Sunnyside by at least 10% of the ZCTA's or the city's land: 98944. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Sunnyside is

The Census internal point of Sunnyside is at 46.315700, -120.005800. Olympia, the capital, is 145.9 miles WNW in a straight line. The nearest larger place is West Richland, WA (18,820 people), 29.5 miles away. The nearest city of 100,000 or more is Kent, WA, 127.9 miles away.

Daylight in Sunnyside

At 46.32° N, Sunnyside gets about 15 h 48 min of daylight around the June solstice and 8 h 36 min around the December solstice, a swing of 7 h 12 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Sunnyside

The eight nearest incorporated places of 1,000+ in Washington, measured between internal points. The closest is Grandview, 6.8 miles away, with 11,599 people.