The mission of the greater hillsborough county fair is to hold an annual county fair that serves as a venue for events, experiences, entertainment and education for families and children of all ages. the greater hillsborough county fair board of directors, management, staff and volunteers strive to meet and reflect the needs and interests of citizens of our community. based on the agricultural history, changes and growth of the community, new ideas and interests of fairgoers, the county fair provides an ever-changing and growing range of exhibits and competitions, displays and a variety of entertainment shows and acts in a safe and fun environment.