Coulee Dam is located in Washington. Coulee Dam, Washington has a population of 1,196. Coulee Dam is less family-centric than the surrounding county with 26% households with children. The county percentage for households with children is 27%.
The median household income in Coulee Dam, Washington is $57,351. The median household income for the surrounding county is $49,428 compared to the national median of $66,222. The median age of people living in Coulee Dam is 45.1 years.
The average high temperature in July is 86.2 degrees, with an average low temperature in January of 21.4 degrees. The annual precipitation is 13.53.