Johnson County Homepage

Learn it. Grow it. Teach it. Become a Master Gardener in Johnson County.

Small family farms make up 80% of all farms in Iowa.

Iowa State University Extension and Outreach: Johnson County

Johnson County welcomes you to our website!  We are here to serve you through various information and programs.  Take some time to explore our site and learn how ISU Extension programs can "Help You Become Your Best.

2019 Johnson County Stakeholder Report

 The Johnson County Extension and Outreach office will be closed to the public until further notice.

We take serving Iowans seriously, which is why we are prioritizing the health and safety of our community and staff, and have closed our office to the public until further notice. 

The office is staffed during business hours (M-F, 8AM-5PM) and business continues through phone (319-337-2145) and e-mail. Staff have returned to the office and are available for 1-on-1 appointments; you can reach them via phone or e-mail. All staff emails are available on the staff page ( Any items for drop-off or pick-up should utilize the entryway or mailbox by the main entrance which will be checked daily. We appreciate your patience as we navigate these new processes. We encourage all to be responsible citizens at this time implementing social distancing.


Commercial and Private Pesticide Applicators:

Updates & Information for Commercial and Private Pesticide Applicators of Johnson County


Johnson County Fair 2020



4-H Newsletter - 4-H Events - 4-H Club Financial Management 
Summer 4-H Volunteer Opportunities


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* Don't Forget to Click on the More County News button below for additional great events.

County News

Damaged Grain Bin
August 13, 2020

When steel grain bins sustain wind damage, careful inspection is needed to evaluate repair or replacement options. Inspection assistance and advice from a consulting engineer or bin manufacturer representative is the best option.

What About Me? My Wellbeing Logo
July 10, 2020

Wellbeing isn’t something to achieve and check off a bucket list. Instead, it’s an ongoing journey that varies with each person. Iowans can find their own way in a new program from Iowa State University Extension and Outreach.

August 4, 2020

Fifty Iowa 4-H members have been awarded 2020 state 4-H project area awards following the statewide recognition process, which was held virtually this year.

July 28, 2020

ISU Extension and Outreach is joining industry partners to offer a five-part webinar series on the maintenance issues faced by facility managers and maintenance crews. The sessions are geared toward livestock producers, livestock building owners and contractors, facility managers, maintenance crew members, engineers, designers and others interested in swine building maintenance.

July 16, 2020

Help us Congratulate Tim Smith our 2020 Johnson County 4-H Hall of Fame Recipient

Featured "At Work for Iowa" article

Here for You. Now. Always.

For over 100 years, ISU Extension and Outreach has been serving Iowans. As our state recovers from COVID-19, we’ll continue to deliver research-based education and information. We’re here for you now. And for the next 100 years.

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