Celebrating 100 years in existence, the O'Brien County Fair is an "ag-based" fair, sponsoring the county's youth in their 4-H and FFA livestock exhibits, as well as non-livestock projects, entertainment with "Share the Fun" acts, and educational demonstrations. Today, there are about 150 4-H/FFA members exhibiting 950 livestock projects and 600 non-livestock projects. The open class crafts are also popular for many O'Brien County Community members!