Ellensburg is a city located in Washington. With a 2020 population of 21,579, it is the 51st largest city in Washington and the 1745th largest city in the United States. Ellensburg is currently growing at a rate of 1.10% annually and its population has increased by 18.74% since the most recent census, which recorded a population of 18,174 in 2010. Ellensburg reached it's highest population of 21,579 in 2021. Spanning over 8 miles, Ellensburg has a population density of 2,846 people per square mile.
The average household income in Ellensburg is $51,722 with a poverty rate of 30.87%. The median rental costs in recent years comes to $1,004 per month, and the median house value is $234,000. The median age in Ellensburg is 23.5 years, 23.3 years for males, and 23.8 years for females. For every 100 females there are 99.1 males.