Other pages about the topic: Population
Select a county from the table below.
Select a county from the table below.
Quick Tables are predefined tables with frequently requested information for a single geographic area.
Click on one of the links below to be taken to American FactFinder. Select a geography from the drop down list to find a Quick Table for your area of interest.
Please note: The new American FactFinder does not work with all browsers. The Census Bureau is working on this problem.
Small area estimates program: GIS shapefiles for select census geographic areas and other areas of statewide significance. Includes annual population and housing estimates from 2010 onwards.
OFM produces annual population estimates for ‘special areas’ required by statue. Special areas include highway urban areas, public transportation benefit areas, and the thermal electric generating facility area. The special area estimates are based on data produced by the Small Area Estimate Program using GIS-based spatial interpolation procedures.
Population density is the average number of people per unit of land area. In the U.S., the most common unit of population density is persons per square mile. The land area measurement excludes lakes and other water areas within.
Population change
In accordance with RCW 43.62.035, the Office of Financial Management shall determine the percentage increase in population for each county over the preceding ten-year period, as of April 1.
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