2020 Dubuque County Fair July 28th-Aug 2nd2020 Dubuque County Fair July 28th-Aug 2ndShare on FacebookShare on TwitterJuly 26, 2019 | 7:30 PM - 11:00 PMDubuque County Fairgrounds14569 Old Highway Road, Dubuque, IA 52002 United StatesAdditional InformationAll music acts for the 2020 Dubuque County Fair TBA