Cowiche is a city located in Washington. Cowiche has a 2020 population of 821. Cowiche is currently declining at a rate of 0.00% annually and its population has increased by 91.82% since the most recent census, which recorded a population of 428 in 2010. Cowiche reached it's highest population of 1,087 in 2016.
The average household income in Cowiche is $47,545 with a poverty rate of 0.00%. The median rental costs in recent years comes to $1,110 per month, and the median house value is -. The median age in Cowiche is 16.9 years, 16.8 years for males, and 32.2 years for females. For every 100 females there are 215.8 males.