Explore Jefferson County - Guide to local businesses, news, events, lodging, entertainment, points of interest, and people. - http://www.explorejeffersoncounty.com/
Jefferson County Fair Park - Official site. Located in Jefferson, Wisconsin. Includes events, facility rental information, directions to the park, and details on the annual County Fair. - http://www.jeffersoncountyfairpark.com/
Jefferson County - Official site. County profile, news and events, government information and services. - http://www.co.jefferson.wi.us/
Explore Wisconsin: Jefferson County - Area tourism information and business directory. - http://www.explorewisconsin.com/countypages/jefferson.html
Jefferson County Online Visitor's Guide - Online tourism portal serving the county. Includes restaurants, bars and clubs, recreation and lodging destinations, arts and entertainment, events, community resources, news and media, shopping and services. - http://www.jctourism.com/