About Cowiche, WA Real EstateInformation About CowicheCowiche is located in Washington. Cowiche, Washington has a population of 357. Cowiche is more family-centric than the surrounding county with 38% households with children. The county percentage for households with children is 36%. The median household income in Cowiche, Washington is $35,433. The median household income for the surrounding county is $42,003 compared to the national median of $49,877. The median age of people living in Cowiche is 33.6 years. Cowiche WeatherThe average high temperature in July is 87.2 degrees, with an average low temperature in January of 20.5 degrees. The annual precipitation is 8.26. Cowiche MapCowiche real estate officesReal estate near CowicheNearby Cities |