| | | Cottonwood County | MN | 27033 | | | | | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=CottonwoodCounty+MN |
| | | Cook County | MN | 27031 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=CookCounty+MN |
| | | Clearwater County | MN | 27029 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=ClearwaterCounty+MN |
| | | Clay County | MN | 27027 | | Fargo, ND-MN 22020 | Fargo-Wahpeton, ND-MN 244 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClayCounty+MN |
| | | Chisago County | MN | 27025 | | Minneapolis-St.
Paul-Bloomington, MN-WI 33460 | Minneapolis-St. Paul,
MN-WI 378 | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=ChisagoCounty+MN |
| | | Chippewa County | MN | 27023 | | | | | nonmetro county (rural) | farm-dependent | https://maps.google.com/?q=ChippewaCounty+MN |
| | | Cass County | MN | 27021 | | Brainerd, MN 14660 | | Outlying | nonmetro county (rural) | recreation | https://maps.google.com/?q=CassCounty+MN |
| | | Carver County | MN | 27019 | | Minneapolis-St.
Paul-Bloomington, MN-WI 33460 | Minneapolis-St. Paul,
MN-WI 378 | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=CarverCounty+MN |
| | | 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 |
| | | Brown County | MN | 27015 | | New Ulm, MN 35580 | Mankato-New Ulm, MN 359 | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=BrownCounty+MN |
