SummaryEvergreen State Fair is happening from 22 August 2019, Thursday to 02 September 2019, Monday at Evergreen State Fairgrounds in Monroe, WA. The organizer of the event is The Evergreen State Fairgrounds. Evergreen State Fair is open to public. The estimated number of attendance is 330,000. The frequency of Evergreen State Fair is annual. The event has been running since 1949.