Roslyn is a city located in Washington. With a 2020 population of 958, it is the 207th largest city in Washington and the 10493rd largest city in the United States. Roslyn is currently declining at a rate of 0.00% annually and its population has increased by 7.28% since the most recent census, which recorded a population of 893 in 2010. Roslyn reached it's highest population of 958 in 2018. Spanning over 4 miles, Roslyn has a population density of 218 people per square mile.
The average household income in Roslyn is $51,008 with a poverty rate of 17.63%. The median rental costs in recent years comes to $930 per month, and the median house value is $302,900. The median age in Roslyn is 47.9 years, 48.7 years for males, and 45.3 years for females. For every 100 females there are 101.1 males.