The Hillsboro Gun & Knife Show will be held next on Oct 29th-30th, 2022 with additional shows on Jan 28th-29th, 2023, and Jun 17th-18th, 2023 in Hillsboro, OR. This Hillsboro gun show is held at Washington County Fairgrounds and hosted by Collectors West. All federal and local firearm laws and ordinances must be obeyed.