| County | Population | County Seat |
| Aitkin County | 15,301 | Aitkin |
| Anoka County | 298,084 | Anoka |
| Becker County | 30,000 | Detroit Lakes |
| Beltrami County | 39,650 | Bemidji |
| Benton County | 34,226 | Foley |
| Big Stone County | 5,820 | Ortonville |
| Blue Earth County | 55,941 | Mankato |
| Brown County | 26,911 | New Ulm |
| Carlton County | 31,671 | Carlton |
| Carver County | 70,205 | Chaska |
| Cass County | 27,150 | Walker |
| Chippewa County | 13,088 | Montevideo |
| Chisago County | 41,101 | Center City |
| Clay County | 51,229 | Moorhead |
| Clearwater County | 8,423 | Bagley |
| Cook County | 5,168 | Grand Marais |
| Cottonwood County | 12,167 | Windom |
| Crow Wing County | 55,099 | Brainerd |
| Dakota County | 355,904 | Hastings |
| Dodge County | 17,731 | Mantorville |
| Douglas County | 32,821 | Alexandria |
| Faribault County | 16,181 | Blue Earth |
| Fillmore County | 21,122 | Preston |
| Freeborn County | 32,584 | Albert Lea |
| Goodhue County | 44,127 | Red Wing |
| Grant County | 6,289 | Elbow Lake |
| Hennepin County | 1,116,200 | Minneapolis |
| Houston County | 19,718 | Caledonia |
| Hubbard County | 18,376 | Park Rapids |
| Isanti County | 31,287 | Cambridge |
| Itasca County | 43,992 | Grand Rapids |
| Jackson County | 11,268 | Jackson |
| Kanabec County | 14,996 | Mora |
| Kandiyohi County | 41,203 | Willmar |
| Kittson County | 5,285 | Hallock |
| Koochiching County | 14,355 | International Falls |
| Lac qui Parle County | 8,067 | Madison |
| Lake County | 11,058 | Two Harbors |
| Lake of the Woods | 4,522 | Baudette |
| Le Sueur County | 25,426 | Le Center |
| Lincoln County | 6,429 | Ivanhoe |
| Lyon County | 25,425 | Marshall |
| Mahnomen County | 5,190 | Glencoe |
| Marshall County | 10,155 | Mahnomen |
| Martin County | 21,802 | Warren |
| McLeod County | 34,898 | Fairmont |
| Meeker County | 22,644 | Litchfield |
| Mille Lacs County | 22,330 | Milaca |
| Morrison County | 31,712 | Little Falls |
| Mower County | 38,603 | Austin |
| Murray County | 9,165 | Slayton |
| Nicollet County | 29,771 | St. Peter |
| Nobles County | 20,832 | Worthington |
| Norman County | 7,442 | Ada |
| Olmsted County | 124,277 | Rochester |
| Otter Tail County | 57,159 | Fergus Falls |
| Pennington County | 13,584 | Thief River Falls |
| Pine County | 26,530 | Pine City |
| Pipestone County | 9,895 | Pipestone |
| Polk County | 31,369 | Crookston |
| Pope County | 11,236 | Glenwood |
| Ramsey County | 511,035 | St. Paul |
| Red Lake County | 4,299 | Red Lake Falls |
| Redwood County | 16,815 | Redwood Falls |
| Renville County | 17,154 | Olivia |
| Rice County | 56,665 | Faribault |
| Rock County | 9,721 | Luverne |
| Roseau County | 16,338 | Roseau |
| Scott County | 89,498 | Duluth |
| Sherburne County | 64,417 | Shakopee |
| Sibley County | 15,356 | Elk River |
| St. Louis County | 200,528 | Gaylord |
| Stearns County | 133,166 | St. Cloud |
| Steele County | 33,680 | Owatonna |
| Stevens County | 10,053 | Morris |
| Swift County | 11,956 | Benson |
| Todd County | 24,426 | Long Prairie |
| Traverse County | 4,134 | Wheaton |
| Wabasha County | 21,610 | Wabasha |
| Wadena County | 13,713 | Wadena |
| Waseca County | 19,526 | Waseca |
| Washington County | 201,130 | Stillwater |
| Watonwan County | 11,876 | St. James |
| Wilkin County | 7,138 | Breckenridge |
| Winona County | 49,985 | Winona |
| Wright County | 89,986 | Buffalo |
| Yellow Medicine Co | 11,080 | Granite Falls |