Explore Wisconsin: Jefferson County: Area tourism information and business directory.Jefferson County: Official site. County profile, news and events, government information and services.Jefferson County Democrats: News, upcoming events, Democrat links.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.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.