| | | Columbia County | WI | 55021 | | Madison, WI 31540 | Madison-Janesville-Beloit,
WI 357 | Outlying | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=ColumbiaCounty+WI |
| | | Crawford County | WI | 55023 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CrawfordCounty+WI |
| | | Dane County | WI | 55025 | | Madison, WI 31540 | Madison-Janesville-Beloit,
WI 357 | Central | metro county (urban) | federal/state
government-dependent | https://maps.google.com/?q=DaneCounty+WI |
| | | Dodge County | WI | 55027 | | Beaver Dam, WI 13180 | Milwaukee-Racine-Waukesha,
WI 376 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=DodgeCounty+WI |
| | | Door County | WI | 55029 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=DoorCounty+WI |
| | | Douglas County | WI | 55031 | | Duluth, MN-WI 20260 | Duluth-Grand Rapids,
MN-WI 228 | Central | metro county (urban) | recreation | https://maps.google.com/?q=DouglasCounty+WI |
| | | Dunn County | WI | 55033 | | Menomonie, WI 32860 | Eau Claire-Menomonie, WI 232 | Central | nonmetro county (rural) | federal/state
government-dependent | https://maps.google.com/?q=DunnCounty+WI |
| | | Eau Claire County | WI | 55035 | | Eau Claire, WI 20740 | Eau Claire-Menomonie, WI 232 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=EauClaireCounty+WI |
| | | Florence County | WI | 55037 | | Iron Mountain, MI-WI 27020 | Marinette-Iron Mountain,
WI-MI 361 | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=FlorenceCounty+WI |
| | | Fond du Lac County | WI | 55039 | | Fond du Lac, WI 22540 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=FondduLacCounty+WI |
