| County | Year Created | Modern State | % Correct |
|---|---|---|---|
| Calhoun | 1829 | MI | 100%
|
| Hillsdale | 1829 | MI | 100%
|
| Ingham | 1829 | MI | 100%
|
| Ionia | 1831 | MI | 100%
|
| Jackson | 1829 | MI | 100%
|
| Kent | 1831 | MI | 100%
|
| Lapeer | 1822 | MI | 100%
|
| Lenawee | 1822 | MI | 100%
|
| Macomb | 1818 | MI | 100%
|
| Monroe | 1817 | MI | 100%
|
| Oakland | 1819 | MI | 100%
|
| Saginaw | 1835 | MI | 100%
|
| Sanilac | 1822 | MI | 100%
|
| Wayne | 1796 | MI | 100%
|
| Allegan | 1831 | MI | 67%
|
| Barry | 1829 | MI | 67%
|
| Cass | 1829 | MI | 67%
|
| Clinton | 1831 | MI | 67%
|
| Des Moines | 1834 | IA | 67%
|
| Eaton | 1829 | MI | 67%
|
| Genesee | 1835 | MI | 67%
|
| Gratiot | 1831 | MI | 67%
|
| Isabella | 1831 | MI | 67%
|
| Kalamazoo | 1829 | MI | 67%
|
| Michilimackinac | 1818 | MI | 67%
|
| Midland | 1831 | MI | 67%
|
| Milwaukee | 1834 | WI | 67%
|
| Montcalm | 1831 | MI | 67%
|
| Ottawa | 1831 | MI | 67%
|
| Shiawassee | 1822 | MI | 67%
|
| St Clair | 1820 | MI | 67%
|
| St Joseph | 1820 | MI | 67%
|
| Washtenaw | 1822 | MI | 67%
|
| Arenac | 1831 | MI | 33%
|
| Berrien | 1829 | MI | 33%
|
| Chippewa | 1826 | MI | 33%
|
| Crawford | 1818 | WI | 33%
|
| Dubuque | 1834 | IA | 33%
|
| Green Bay | 1818 | WI | 33%
|
| Iowa | 1829 | WI | 33%
|