Birch Bay is a city located in Washington. Birch Bay has a 2020 population of 9,037. Birch Bay is currently declining at a rate of 0.00% annually and its population has increased by 7.42% since the most recent census, which recorded a population of 8,413 in 2010. Birch Bay reached it's highest population of 9,037 in 2018.
The average household income in Birch Bay is $74,736 with a poverty rate of 15.83%. The median rental costs in recent years comes to $1,105 per month, and the median house value is $251,200. The median age in Birch Bay is 53.5 years, 50.9 years for males, and 54.5 years for females. For every 100 females there are 96.9 males.