2024 Wyandotte County Fair 16 Jul 2024 Join the Wyandotte County Fair Association along with many local organizations and businesses for a week of family fun at the 2024 Wyandotte County Fair from July 16-20. Wyandotte County Fair Grounds, 13700 Polfer Road, 66109 Tagged as: , Community events & fundraisers, Exhibitions & festivals, Kids & family