Allyn is a city located in Washington. Allyn has a 2020 population of 2,414. Allyn is currently declining at a rate of 0.00% annually and its population has increased by 22.98% since the most recent census, which recorded a population of 1,963 in 2010. Allyn reached it's highest population of 2,650 in 2017.
The average household income in Allyn is $89,275 with a poverty rate of 2.75%. The median rental costs in recent years comes to $622 per month, and the median house value is $337,200. The median age in Allyn is 46.7 years, 46.8 years for males, and 44.6 years for females. For every 100 females there are 91.1 males.