| | Carlton County | MN | 27017 | | Duluth, MN-WI 20260 | Duluth-Grand Rapids,
MN-WI 228 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=CarltonCounty+MN |
| | 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 |
| | Itasca County | MN | 27061 | | Grand Rapids, MN 24330 | Duluth-Grand Rapids,
MN-WI 228 | Central | nonmetro county (rural) | recreation | https://maps.google.com/?q=ItascaCounty+MN |
| | St. Louis County | MN | 27137 | | Duluth, MN-WI 20260 | Duluth-Grand Rapids,
MN-WI 228 | Central | metro county (urban) | recreation | https://maps.google.com/?q=St.LouisCounty+MN |