Kane County Fair Arts, Culture and EntertainmentCommunity OrganizationsFairs and Festivals Kane County Fair Visit Website 525 S. Randall Road St. Charles, IL 60174 (630) 584-6926 (630) 584-6991 (fax) Facebook Twitter About About 5-day family county fair--live entertainment, carnival, children's events, 4-H animals and competition, consumer business showcase, prairie events center, event rental, over 36,000 sq. ft. available.