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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

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

Click HERE to sign up for 4-H Conference Judging. (Click on the tab of the department you need a time slot for and select one of the listed times. Pay close attention to the DATE of judging for each department, as they are spread over a few different dates.)

An electronic version of the 2022 Johnson County Fair 4-H Book is available HERE

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

Project Auction / Livestock Auction

Barnyard Olympics

Project Resources

Astronomy Project


Energy Management

Fashion Revue

Foods Judging



Public Presentations 

Rocket Judging

STEM - Ag Mechanics & Architectural Block Construction

Technology & Computers

Important Links

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 KSRE and 4-H Logo

Contact Us

Jessica Lawrenz
4-H/Youth Development Agent

McKenna Holtgraver
4-H/Youth Development Program Manager mckenna.holtgraver@jocogov.org

Christin Bartels
Office Professional