| | Forest County | WI | 55041 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=ForestCounty+WI |
| | Grant County | WI | 55043 | | Platteville, WI 38420 | | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=GrantCounty+WI |
| | Green County | WI | 55045 | | Madison, WI 31540 | Madison-Janesville-Beloit,
WI 357 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=GreenCounty+WI |
| | Green Lake County | WI | 55047 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=GreenLakeCounty+WI |
| | Iowa County | WI | 55049 | | Madison, WI 31540 | Madison-Janesville-Beloit,
WI 357 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=IowaCounty+WI |
| | Iron County | WI | 55051 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=IronCounty+WI |
| | Jackson County | WI | 55053 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=JacksonCounty+WI |
| | Jefferson County | WI | 55055 | | Watertown-Fort Atkinson,
WI 48020 | Milwaukee-Racine-Waukesha,
WI 376 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JeffersonCounty+WI |
| | Juneau County | WI | 55057 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JuneauCounty+WI |
| | Kenosha County | WI | 55059 | | Kenosha, WI 28450 | Chicago-Naperville,
IL-IN-WI 176 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=KenoshaCounty+WI |