Allyn is a city located in Washington. Allyn has a 2020 population of 2,497. Allyn is currently declining at a rate of 0.00% annually and its population has increased by 27.20% 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 $87,076 with a poverty rate of 4.14%. The median rental costs in recent years comes to $636 per month, and the median house value is $305,900. The median age in Allyn is 46.3 years, 46.8 years for males, and 40.7 years for females. For every 100 females there are 89.3 males.