Mossyrock is a city located in Washington. With a 2020 population of 846, it is the 211th largest city in Washington and the 11036th largest city in the United States. Mossyrock is currently growing at a rate of 1.56% annually and its population has increased by 11.46% since the most recent census, which recorded a population of 759 in 2010. Mossyrock reached it's highest population of 846 in 2021. Spanning over 1 miles, Mossyrock has a population density of 1,231 people per square mile.
The average household income in Mossyrock is $42,399 with a poverty rate of 25.88%. The median rental costs in recent years comes to $666 per month, and the median house value is $86,200. The median age in Mossyrock is 32.4 years, 36.3 years for males, and 28.7 years for females. For every 100 females there are 80.0 males.