The biggest event in Adams County is almost here! The Adams County Fair in Mendon kicks off on Wednesday, July 29, and is shaping up to be one of the year's can't-miss events. The fair gets underway on Wednesday, July 29, with a full lineup of family-friendly entertainment, live music, the Fair Queen Pageant, exciting competitions, delicious fair food, and much more. Read More: Adams County Fair Announces Concert Night for 2026Whether you're planning to spend a few hours or the entire day, there's something for everyone to enjoy. Check out some of the highlights we've listed below and start planning your visit to this year's Adams County Fair.