SummaryEvergreen State Fair is happening from 23 August 2018, Thursday to 03 September 2018, Monday at Evergreen State Fairgrounds in Monroe, WA. The organizer of the event is The Evergreen State Fairgrounds. The event 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.