Dubuque County Fairgrounds View Larger Image Details Location Address:14569 Old Highway Road, Dubuque, Iowa, 52002, United States Upcoming events at this venue68th Annual Dubuque County Fair69th Annual Dubuque County Fair70th Annual Dubuque County FairOffice ClosedWedding Swap & Shop 2017-04-06T21:34:31-05:00