County Map Defunct County Names
| County | Date Created | Date Organized | Parent County | County Seat | County Coordinator |
| Alcona | 1 Apr 1840 | 12 Mar 1869 | Alpena, Cheboygan | Harrisville | Up For Adoption |
| Alger | 17 Mar 1885 | 17 Mar 1885 | Schoolcraft | Munising | Up For Adoption |
| Allegan | 2 Mar 1831 | 7 Sep 1835 | Kalamazoo | Allegan | Lynn Matt |
| Alpena | 1 Apr 1840 | 7 Feb 1857 | Cheboygan | Alpena | Up For Adoption |
| Antrim | 1 Apr 1840 | 11 Mar 1863 | Grand Traverse | Bellaire | Wayne Summers |
| Arenac | 21 Apr 1883 | 21 Apr 1883 | Bay, Saginaw | Standish | Gaynol Fales |
| Baraga | 19 Feb 1875 | 19 Feb 1875 | Houghton | L'anse | Donna Hoff-Grambau |
| Barry | 29 Oct 1829 | 15 Mar 1839 | St. Joseph, Kalamazoo | Hastings | Up For Adoption |
| Bay | 20 Apr 1857 | 20 Apr 1857 | Saginaw, Midland | Bay City | Donna Hoff-Grambau |
| Benzie | 27 Feb 1863 | 30 Mar 1869 | Grand Traverse, Leelanau | Beulah | Up For Adoption |
| Berrien | 21 May 1891 | 21 May 1891 | Cass | St. Joseph | Up For Adoption |
| Branch | 29 Oct 1829 | 1 Mar 1833 | St. Joseph, Lenawee | Coldwater | Jim Cox |
| Calhoun | 29 Oct 1829 | 1 Apr 1833 | St. Joseph, Kalamazoo | Marshall | Sandy Redmond |
| Cass | 29 Oct 1829 | 29 Oct 1829 | Lenawee | Cassopolis | Up For Adoption |
| Charlevoix | 2 Apr 1869 | 2 Apr 1869 | Emmet | Charlevoix | Up For Adoption |
| Cheboygan | 1 Apr 1840 | 29 Jan 1853 | Mackinac | Cheboygan | Up For Adoption |
| Chippewa | 1 Feb 1827 | 1 Feb 1827 | Mackinac | Sault Ste Marie | Up For Adoption |
| Clare | 1 Apr 1840 | 13 Mar 1871 | Isabella, Midland, Mecosta | Harrison | Donna Hoff-Grambau |
| Clinton | 2 Mar 1831 | 2 Mar 1831 | Shiawassee, Kent | Saint Johns | Wayne Summers |
| Crawford | 22 Mar 1879 | 22 Mar 1879 | Cheyboygan, Antrim, Kalkaska | Grayling | Up For Adoption |
| Delta | 9 Mar 1843 | 21 May 1891 | Mackinac | Escanaba | Up For Adoption |
| Dickinson | 21 May 1891 | 21 May 1891 | Marquette, Menominee | Iron Mountain | Up For Adoption |
| Eaton | 29 Oct 1829 | 29 Dec 1837 | St. Joseph, Kalamazoo, Calhoun | Charlotte | Up For Adoption |
| Emmet | 1 Apr 1840 | 29 Jan 1853 | Mackinac | Petoskey | Shannon Lanning |
| Genesee | 28 Mar 1835 | 28 Mar 1835 | Lapeer | Flint | Randy Cummings |
| Gladwin | 2 Mar 1831 | 18 Apr 1875 | Saginaw, Midland | Gladwin | Up For Adoption |
| Gogebic | 7 Feb 1887 | 7 Feb 1887 | Ontonagon | Bessemer | Up For Adoption |
| Grand Traverse | 7 Apr 1851 | 7 Apr 1851 | Mackinac | Traverse City | Up For Adoption |
| Gratiot | 2 Mar 1831 | 3 Feb 1855 | Saginaw, Clinton | Ithaca | Donna Hoff-Grambau |
| Hillsdale | 29 Oct 1829 | 11 Feb 1835 | Lenawee | Hillsdale | Up For Adoption |
| Houghton | 19 Mar 1845 | 18 May 1846 | Marquette, Schoolcraft, Ontonagon | Houghton | Donna Hoff-Grambau |
| Huron | 1 Apr 1840 | 25 Jan 1859 | Saginaw, St. Clair, Sanilac | Bad Axe | Gerald A. Little, Jr. |
| Ingham | 29 Oct 1829 | 4 Jun 1838 | Washtenaw, Jackson, Eaton | Mason | Up For Adoption |
| Ionia | 2 Mar 1831 | 3 Apr 1837 | Kent | Ionia | Wayne Summers |
| Iosco | 1 Apr 1840 | 16 Feb 1857 | Saginaw, Cheboygan | Tawas City | Shone Brooks |
| Iron | 3 Apr 1885 | 3 Apr 1885 | Marquette, Menominee | Crystal Falls | Up For Adoption |
| Isabella | 2 Mar 1831 | 11 Feb 1859 | Saginaw, Midland | Mount Pleasant | Donna Hoff-Grambau |
| Jackson | 29 Oct 1829 | 4 Jun 1838 | Washtenaw | Jackson | Shone Brooks |
| Kalamazoo | 29 Oct 1829 | 1 Oct 1830 | St. Joseph | Kalamazoo | Paula Johnson |
| Kalkaska | 1 Apr 1840 | 27 Jan 1871 | Grand Traverse, Antrim | Kalkaska | Up For Adoption |
| Kent | 2 Mar 1831 | 4 Apr 1836 | Kalamazoo | Grand Rapids | Up For Adoption |
| Keweenaw | 11 Mar 1861 | 11 Mar 1861 | Houghton | Eagle River | Donna Hoff-Grambau |
| Lake | 1 Apr 1840 | 1 May 1871 | Oceana, Mason, Newaygo | Baldwin | Gerald A. Little, Jr. |
| Lapeer | 10 Sep 1822 | 2 Feb 1863 | Oakland | Lapeer | Gerald A. Little, Jr. |
| Leelanau | 1 Apr 1840 | 27 Feb 1863 | Grand Traverse | Leland | Up For Adoption |
| Lenawee | 10 Sep 1822 | 31 Dec 1826 | Wayne | Adrian | Robert Wessel |
| Livingston | 21 Mar 1833 | 4 Apr 1836 | Shiawassee, Washtenaw | Howell | Emma Winegarner Lynette Winegarner |
| Luce | 1 Mar 1887 | 1 Mar 1887 | Chippewa, Mackinac | Newberry | Up For Adoption |
| Mackinac | 26 Oct 1818 | 26 Jan 1837 | Wayne and the French | Saint Ignace | Donna Hoff-Grambau |
| Macomb | 15 Jan 1818 | 15 Jan 1818 | Wayne | Mount Clemens | Up For Adoption |
| Manistee | 21 Maay 1891 | 21 May 1891 | Mackinac, Ottawa, Oceana, Grand Traverse | Manistee | Up For Adoption |
| Marquette | 9 Mar 1843 | 1 Dec 1851 | Chippewa, Houghton | Marquette | Donna Hoff-Grambau |
| Mason | 1 Apr 1840 | 13 Feb 1855 | Ottawa, Oceana | Ludington | Dave Petersen |
| Mecosta | 1 Apr 1840 | 11 Feb 1858 | Newaygo | Big Rapids | Paula Johnson |
| Menominee | 15 Mar 1861 | 15 Mar 1861 | Marquette | Menominee | Up For Adoption |
| Midland | 2 Mar 1831 | 31 Dec 1850 | Saginaw | Midland | Donna Hoff-Grambau |
| Missaukee | 1 Apr 1840 | 11 Mar 1871 | Antrim, Grand Traverse | Lake City | Donna Hoff-Grambau |
| Monroe | 14 Jul 1817 | 14 Jul 1817 | Wayne | Monroe | Up For Adoption |
| Montcalm | 2 Mar 1831 | 20 Mar 1871 | Ionia | Stanton | Paula Johnson |
| Montmorency | 1 Apr 1840 | 21 May 1881 | Cheboygan, Alpena | Atlanta | Up For Adoption |
| Muskegon | 4 Feb 1859 | 4 Feb 1859 | Ottawa | Muskegon | Up For Adoption |
| Newaygo | 1 Apr 1840 | 27 Jan 1851 | Kent, Muskegon, Oceana | White Cloud | Up For Adoption |
| Oakland | 12 Jan 1819 | 28 Mar 1820 | Wayne | Pontiac | Up For Adoption |
| Oceana | 2 Mar 1831 | 7 Apr 1851 | Ottawa | Hart | Up For Adoption |
| Ogemaw | 1 Apr 1840 | 27 Apr 1875 | Saginaw, Branch | West Branch | Grace Dooley |
| Ontonagon | 9 Mar 1843 | 1 Jan 1853 | Chippewa, Houghton | Ontonagon | Up For Adoption |
| Osceola | 1 Apr 1840 | 17 Mar 1869 | Mason, Newaygo, Mecosta | Reed City | Gerald A. Little, Jr. |
| Oscoda | 1 Apr 1840 | 10 Mar 1881 | Cheboygan, Alpena, Alcona | Mio | Up For Adoption |
| Otsego | 1 Apr 1840 | 12 Mar 1875 | Michilimackinac | Gaylord | Up For Adoption |
| Ottawa | 2 Mar 1831 | 19 Dec 1837 | Kent | Grand Haven | Up For Adoption |
| Presque Isle | 1 Apr 1840 | 31 Mar 1871 | Mackinac | Rogers City | Janet Anderson B. J. Kemme |
| Roscommon | 1 Apr 1840 | 20 Mar 1875 | Cheboygan, Midland | Roscommon | Up For Adoption |
| Saginaw | 10 Sep 1822 | 9 Feb 1835 | Oakland | Saginaw | Donna Hoff-Grambau |
| St. Clair | 28 Mar 1820 | 8 May 1821 | Wayne | Port Huron | Wayne Summers |
| St. Joseph | 29 Oct 1829 | 29 Oct 1829 | Wayne | Centreville | Joel Newport |
| Sanilac | 10 Sep 1822 | 31 Dec 1849 | Oakland, St. Clair, Lapeer | Sandusky | Gerald A. Little, Jr. |
| Schoolcraft | 9 Mar 1843 | 23 Mar 1871 | Chippewa, Houghton, Marquette | Manistique | Up For Adoption |
| Shiawassee | 2 Mar 1831 | 19 Dec 1837 | Oakland, Genesee | Corunna | Gerald A. Little, Jr. |
| Tuscola | 1 Apr 1840 | 2 Mar 1850 | Saginaw | Caro | Gerald A. Little, Jr. |
| Van Buren | 29 Oct 1829 | 3 Apr 1837 | Cass | Paw Paw | Up For Adoption |
| Washtenaw | 10 Sep 1822 | 31 Dec 1826 | Wayne, Oakland | Ann Arbor | Shone Brooks |
| Wayne | 21 Nov 1815 | 21 Nov 1815 | Original County | Detroit | Up For Adoption |
| Wexford | 1 Apr 1840 | 30 Mar 1869 | Manistee | Cadillac | Up For Adoption |
State Coordinator: Wayne Summers