Marrowstone is a city located in Washington. Marrowstone has a 2020 population of 831. Marrowstone is currently declining at a rate of 0.00% annually and its population has decreased by -1.54% since the most recent census, which recorded a population of 844 in 2010. Marrowstone reached it's highest population of 1,242 in 2015.
The average household income in Marrowstone is $70,183 with a poverty rate of 16.61%. The median rental costs in recent years comes to $1,125 per month, and the median house value is $530,300. The median age in Marrowstone is 62.1 years, 62.4 years for males, and 61.9 years for females. For every 100 females there are 106.7 males.