1. K-State home
  2. »Research and Extension
  3. »Johnson County
  4. »4-H Youth Development
  5. »Events and Programs
  6. »Johnson County Fair

Johnson County

Research-based Information You Can Trust — Localized for your needs

Johnson County
11811 S. Sunset Drive
Suite 1500
Olathe, KS 66061

Office Hours:

Monday - Friday,
8:30 a.m. - 5 p.m.

(913) 715-7000
(913) 715-7005 fax

Map to our office

K-State Research and Extension is committed to making its services, activities and programs accessible to all participants. Reasonable accommodations for persons with disabilities may be requested by contacting Johnson County Extension at (913)715-7000. Notify staff of accommodation needs as early as possible.

Kansas State University Agricultural Experiment Station and Cooperative Extension Service

K-State Research and Extension is an equal opportunity provider and employer.

Johnson County Fair

fair logoJuly 28 to August 3, 2024
Gardner, Kansas

For more information about the fair visit www.jocokansasfair.com.

4-H Conference Judging Sign-ups will open closer to fair.

View the 2024 Johnson County Fair 4-H Book. 

To view score cards and other information from State 4-H click Judging Standards. Not all departments at the fair use score cards but they are still a good guideline when working on fair projects.

Fair Clean Up

Food Stand

  • 2024 Food Stand Schedule

Project Auction / Livestock Auction

Barnyard Olympics

Project Resources

Astronomy Project


    • Cloverbud Judging Sign Up

Energy Management

Fashion Revue

Foods Judging




Public Presentations 

    • Public Presentations Schedule (Click on the tab that lists the class you need a time slot for and select one of the listed times.)

Rocket Judging

STEM - Ag Mechanics & Architectural Block Construction

Technology & Computers

Important Links

Follow us on social media: 
        facebook instagram 
 KSRE and 4-H Logo

Contact Us

Lexi Ray
4-H/Youth Development Agent

Christin Bartels
Office Professional