Birch Bay is a city located in Washington. Birch Bay has a 2020 population of 9,323. Birch Bay is currently declining at a rate of 0.00% annually and its population has increased by 10.82% since the most recent census, which recorded a population of 8,413 in 2010. Birch Bay reached it's highest population of 9,323 in 2019.
The average household income in Birch Bay is $84,407 with a poverty rate of 14.59%. The median rental costs in recent years comes to $1,115 per month, and the median house value is $274,300. The median age in Birch Bay is 51.9 years, 50.3 years for males, and 53.5 years for females. For every 100 females there are 102.8 males.