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Welcome to

Jefferson County, Iowa

Jefferson County, located in southeastern Iowa, has a population of 15,663.  It is governed by a Board of Supervisors.
The County Seat is Fairfield, Iowa.  There are seven incorporated towns in Jefferson County, Iowa.


Vehicle Licensing & Registration

Agendas & Minutes

Properties / GIS

Most Frequent Searches

News & Announcements

Jefferson County Iowa Map, 1871

Maybe you've seen this map on a restaurant wall or museum?  Well, the library of congress keeps a high res version of this on their website.  You...

Maasdam Barns

The Maasdam Barns are emblematic of the entrepreneurial spirit, which has characterized Jefferson County, Iowa, for well over a century. The...

Brand New Website!

Welcome to our new online presence.  In June of 2023, Jefferson County, Iowa got an entirely new website.  We hope this new website dramatically...

Courtroom Renovation Dedication

The Jefferson County Board of Supervisors approved a plan to renovate and remodel the Jefferson County courtroom in the courthouse. Renovation...

Courthouse Hours

Mon-Fri 8am – 4:30pm

51 W Briggs Ave.
Fairfield, IA 52556

Jefferson County Courthouse

Courthouse Sized

Fairfest Music Festival

Jefferson County, Iowa

Board of Supervisors

Jefferson County is administered by a three-member Board of Supervisors who are elected for four-year terms. Other elected officials include the Attorney, Auditor, Recorder, Sheriff, and Treasurer.

The supervisors meet every Monday at the courthouse. The public is invited to attend, but should submit agenda items in advance to the Auditor’s office by noon Thursday. See the Agenda & Minutes.

The County Supervisors main responsibility is setting a county budget to meet the needs of the rural population in the township areas and the human service needs of the entire county.  More Jefferson County history >

Supervisors Agendas & Minutes

Click to view or download (PDF files).

Minutes 06-05-23Download
Agenda 06-12-23Download
Minutes 05-23-23Download
Minutes 05-22-23Download
Minutes 05-17-23Download
Minutes 05-16-23Download
Minutes 05-15-23Download
Minutes 05-12-23Download
Agenda 5-29-23Download
Agenda for week of May 22, 2023Download
Fiscal Year 2024 Proposed Budget (Notice of Public Hearing)Download
Minutes of May 10 , 2023Download
Agenda for week of May 15, 2023Download

Job Opportunities

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Explore Jefferson County

Explore 12 county parks, campsites, fishing ponds, canoe access, trails, heritage sites, museums, and so much more.

New Website Feedback?

This website just launched!  Please let us know if you find any issues or just want to provide some feedback.

Notice: 65+ Homestead tax exemption: Please stop in the Assessor’s office before July 1st to receive this benefit.