Adams County buildings will open to the public on June 2. Human Services, Animal Shelter, and Colorado Air and Space Port will provide essential services. Sheriff, District Attorney, Coroner, and Justice Center will remain open.
Adams County is now under an extended Safer-at-Home Order until further notice. For more information on the order, visit the Tri-County Health Department site at

Commercial Exhibitors

For 2020 refund information please contact Ryan.

We will see you on the Midway in 2021!

Founded in 1904, the Adams County Fair is one of the metro-Denver region’s top annual agricultural events. Having just celebrated its 115th anniversary, the 2019 fair attracted 86,000 attendees, making it the largest county fair in Colorado. From headline entertainment stages, to bull riding events, to Dia de la Familia, the fair provides a large variety of venues and features for potential vendors.

The Adams County Fair serves the communities of Federal Heights, Westminster, Thornton, Brighton, Northglenn, Arvada, Aurora, and Commerce City.