Anderson Island is a city located in Washington. Anderson Island has a 2020 population of 1,187. Anderson Island is currently declining at a rate of 0.00% annually and its population has increased by 14.46% since the most recent census, which recorded a population of 1,037 in 2010. Anderson Island reached it's highest population of 1,292 in 2017.
The average household income in Anderson Island is $84,583 with a poverty rate of 8.17%. The median rental costs in recent years comes to $1,148 per month, and the median house value is $244,800. The median age in Anderson Island is 58.1 years, 57.3 years for males, and 59 years for females. For every 100 females there are 111.6 males.