Western Washington

Western Washington is a region of the United States defined as the area of Washington state west of the Cascade Mountains. This region is home to the state's largest city, Seattle, the state capital, Olympia, and the majority of the state's residents. The climate is generally far more damp and temperate than that of Eastern Washington.

This article is about the geographic region. For the university, see Western Washington University.
Western Washington
Region
Coordinates: 48°N 122°W
CountryUnited States
StateWashington

Climate
Köppen climate types in western Washington

It is known as being far wetter in climate than the eastern portion of the state, which is due in main to the effects of the Cascades rain shadow. The average place in Eastern Washington only receives an average of 46.87 centimeters (18.45 inches) of precipitation per year.[1] However, the average place in Western Washington receives an average of 167.72 centimeters (66.03 inches) of precipitation per year.[1] The average place in Western Washington gets 168 days of measurable precipitation per year.[2] The place that receives the most recorded precipitation is Lake Quinault on the Olympic Peninsula with an average of 332.92 centimeters (131.07 inches) per year.[3] The place that gets the most days of measurable precipitation is the Long Beach Experimental Station with an average of 215 days of measurable precipitation per year.[2]

Population

In the 2010 census, Western Washington had a population of 5,229,486[4] out of the 6,724,540 in the entire state of Washington.[5] This makes the population comparable to that of Minnesota with a population of 5,303,925.[5] It has a land area of 24,742 square miles (64,080 km2), for a population density of 211.36 people per square mile (81.61 people per square kilometer).

Counties

Counties in Western Washington:

Cities of note

Major cities in Western Washington:[6]

Notes

    References
    1. http://www.wrcc.dri.edu/summary/Climsmwa.html Western Regional Climate Data Center Website
    2. http://www.wrcc.dri.edu/htmlfiles/wa/wa.01.html Western Regional Climate Data Center, Days of Precipitation
    3. "QUINAULT RS, WASHINGTON - Climate Summary". dri.edu. Retrieved 20 June 2015.
    4. "Washington population by county - Census 2010: Washington - The Spokesman-Review". spokesman.com. Archived from the original on 20 June 2015. Retrieved 20 June 2015.
    5. See List of U.S. states and territories by population for the most recent state population figures.
    6. "US Census Bureau for Washington". Archived from the original on 2020-02-12. Retrieved 2005-08-08.
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