Jefferson County Wisconsin Home Page

Jefferson County Information

Jefferson County was created in 1836 as part of the Wisconsin Territory. Jefferson County was named after Jefferson County New York because some of the original settlers came from that county.

Jefferson County Wisconsin Map

Jefferson County Wisconsin Websites

Jefferson County Government - www.jeffersoncountywi.gov
311 South Center Avenue, Jefferson, WI 53549 - (920) 674-8630 (County Clerk)

Jefferson County Fair - www.jeffersoncountyfairpark.com
503 North Jackson Avenue, Jefferson, WI 53549 - Jefferson County - (920) 674-7148

Jefferson County Wisconsin Communities

Jefferson County Demographics

{{row.information}}
{{row.data}}

Wisconsin Time

%(Chicago)%

September
14

wisconsin.com

Newsletter Signup

Sign up for our wisconsin.com eMail Newsletter to receive Wisconsin & wisconsin.com updates and more. We do not sell or give away your email address.

Email Newsletter Signup!

Jefferson County Wisconsin

Updated: February 26, 2025 - Designed & Built in Wisconsin!

Page Serial Number: 2002536

Share Us
Follow Us
RapidWeaver Icon

Made in Wisconsin