Marrowstone is a city located in Washington. Marrowstone has a 2020 population of 926. Marrowstone is currently declining at a rate of 0.00% annually and its population has increased by 9.72% 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 $70,959 with a poverty rate of 10.48%. The median rental costs in recent years comes to $1,161 per month, and the median house value is $453,000. The median age in Marrowstone is 60.5 years, 63.7 years for males, and 59.5 years for females. For every 100 females there are 82.6 males.