Feb. 2025 update: The Data Rescue Project is a collaborative effort working to recover and preserve access to public US government data that is at risk or has been removed from official websites.
US Census (Conducted every 10-years, a survey of population, housing, economic, and geographic data; and American Community Survey, released annually)
Comprehensive access to information by and about Washington State
From the Washington State Library, a collection of online search tools
to help citizens find government information
Statistics