The Hillsboro Gun & Knife Show will be held next on Jan 28th-29th, 2023 with additional shows on 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. Saturday: 9:00am – 4:00pmSunday: 10:00am – 3:00pm