Adams County buildings - including the Government Center, Human Services Center, and Motor Vehicle locations - are now open Tuesday-Friday, 7 a.m.- 5:30 p.m.

Commercial Exhibitors

Information for 2022 coming soon.

Founded in 1904, the Adams County Fair is one of the metro-Denver region’s top annual agricultural events. 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.