Simply put, being able to request and access public records allows us to hold government accountable. Statistics data, budgets, ordinances, reports, contracts, and more can be obtained if you make a request through your City's website as well as request records from the County (search for “public records request” on whichever website you choose).
Official Websites of SnoCo Cities/Towns
Snohomish County, WA - Official Website
If you're interested in federal matters, here is a guide on taking advantage of FOIA for activists, organizers, and social movements.
Also worth noting is that record(s) you're searching for may already be available online with no request required so try to search around the website(s) first before you make a request.