Event Boone funfairs festivals 4-H Extravaganza 🕗 Fri, 18 Jul, 2025 at 09:00 am (CDT) 📍 Boone County Fairgrounds, 1601 Industrial Park Rd, Boone, IA 50036-3007, United States,Boone, Iowa Advertisement Come experience the Fair with fun hands-on activities, many led by Boone County 4-H'ers! I'm interested Advertisement Created by: Iowa State University Extension and Outreach - Boone County Share with someone you care for! View all events in Boone-IA Best of Boone-IA Events in Your Inbox Subscribe to event updates Unsubscribe from updates