Sunnyside is a city located in Washington. With a 2020 population of 16,920, it is the 63rd largest city in Washington and the 2110th largest city in the United States. Sunnyside is currently growing at a rate of 0.53% annually and its population has increased by 6.70% since the most recent census, which recorded a population of 15,858 in 2010. Spanning over 8 miles, Sunnyside has a population density of 2,244 people per square mile.
The average household income in Sunnyside is $59,271 with a poverty rate of 24.59%. The median rental costs in recent years comes to $701 per month, and the median house value is $129,400. The median age in Sunnyside is 25.2 years, 22.5 years for males, and 27.6 years for females. For every 100 females there are 101.5 males.