Welcome to the Johnson County Fair Livestock Show Registration. Before registering your animal/s please be sure to read our rule book located on our website. The Johnson County Fair validation day is Saturday, June 7th, 2025 from 7 AM to 11 AM. This is for all Commercial and Market animals. Online registration will close Friday June 4th, 2025 at midnight for Commercial and Market. Registration will open May 1st, 2025 for all Breeding animals, poultry, and rabbits. If you have any question or concerns, please contact Dylan Jackson.