Region: Midwest
| State | Code | Capital | Population | Division |
|---|
| illinois | IL | Springfield | 12,831,970 | East North Central |
| indiana | IN | Indianapolis | 6,313,520 | East North Central |
| iowa | IA | Des Moines | 2,982,085 | West North Central |
| kansas | KS | Topeka | 2,764,075 | West North Central |
| michigan | MI | Lansing | 10,095,643 | East North Central |
| minnesota | MN | St. Paul | 5,167,101 | West North Central |
| missouri | MO | Jefferson City | 5,842,713 | West North Central |
| nebraska | NE | Lincoln | 1,768,331 | West North Central |
| north dakota | ND | Bismarck | 635,867 | West North Central |
| ohio | OH | Columbus | 11,478,006 | East North Central |
| south dakota | SD | Pierre | 781,919 | West North Central |
| wisconsin | WI | Madison | 5,556,506 | East North Central |