County
| FIPS Code[3] | County Seat
| Created
| Origin
| Etymology
| Population
| Area
| Map |
| Alcona County | 001 | Harrisville | 1840 (boundaries declared) 1869 (organised) | From unorganized territory. Was named Negwegon County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01753.&&&&&01,753 km² (&&&&&&&&&&&&0677.&&&&&0677 mi²) |
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| Alger County | 003 | Munising | 1885 | From part of Schoolcraft County. | Russell A. Alger, (1836 – 1907): Governor of Michigan; Senator; and Secretary of War during the McKinley adminisration | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&02365.&&&&&02,365 km² (&&&&&&&&&&&&0913.&&&&&0913 mi²) |
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| Allegan County | 005 | Allegan | 1831 (boundaries declared) 1835 (organised) | From part of Barry County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&02139.&&&&&02,139 km² (&&&&&&&&&&&&0826.&&&&&0826 mi²) |
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| Alpena County | 007 | Alpena | 1840 (boundaries declared) 1857 (organized) | From part of Mackinac County and unorganized territory. Was named Anamickee County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01463.&&&&&01,463 km² (&&&&&&&&&&&&0565.&&&&&0565 mi²) |
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| Antrim County | 009 | Bellaire | 1840 | From part of Mackinac County. Was named Meegisee County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01233.&&&&&01,233 km² (&&&&&&&&&&&&0476.&&&&&0476 mi²) |
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| Arenac County | 011 | Standish | 1831 | From unorganized territory. Annexed to Bay County in 1857 and reinstated in 1883. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&&0953.&&&&&0953 km² (&&&&&&&&&&&&0368.&&&&&0368 mi²) |
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| Baraga County | 013 | L'Anse | 1875 | From part of Houghton County. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&02334.&&&&&02,334 km² (&&&&&&&&&&&&0901.&&&&&0901 mi²) |
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| Barry County | 015 | Hastings | 1829 | From unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01422.&&&&&01,422 km² (&&&&&&&&&&&&0549.&&&&&0549 mi²) |
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| Bay County | 017 | Bay City | 1857 | From parts of Arenac County, Midland County and Saginaw County. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01155.&&&&&01,155 km² (&&&&&&&&&&&&0446.&&&&&0446 mi²) |
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| Benzie County | 019 | Beulah | 1863 | From part of Leelenau County. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&&0818.&&&&&0818 km² (&&&&&&&&&&&&0316.&&&&&0316 mi²) |
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| Berrien County | 021 | St. Joseph | 1829 | From unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | &&&&&&&&&&&01502.&&&&&01,502 km² (&&&&&&&&&&&&0580.&&&&&0580 mi²) |
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| Branch County | 023 | Coldwater | 1829 | From unorganized territory. | | &&&&&&&&&0454787.&&&&&0454,787 | &&&&&&&&&&&01313.&&&&&01,313 km² (&&&&&&&&&&&&0507.&&&&&0507 mi²) |
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| Calhoun County | 025 | Marshall | 1829 | From unorganized territory. | | &&&&&&&&&0137985.&&&&&0137,985 | &&&&&&&&&&&04820.&&&&&04,820 km² (&&&&&&&&&&&01861.&&&&&01,861 mi²) |
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| Cass County | 027 | Cassopolis | 1829 | From unorganized territory. | | &&&&&&&&&&051104.&&&&&051,104 | &&&&&&&&&&&03411.&&&&&03,411 km² (&&&&&&&&&&&01317.&&&&&01,317 mi²) |
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| Charlevoix County | 029 | Charlevoix | 1869 | From parts of Antrim County, Emmet County and Otsego County. | | &&&&&&&&&&026090.&&&&&026,090 | &&&&&&&&&&&03603.&&&&&03,603 km² (&&&&&&&&&&&01391.&&&&&01,391 mi²) |
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| Cheboygan County | 031 | Cheboygan | 1840 | From part of Mackinac County. | | &&&&&&&&&&026448.&&&&&026,448 | &&&&&&&&&&&02292.&&&&&02,292 km² (&&&&&&&&&&&&0885.&&&&&0885 mi²) |
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| Chippewa County | 033 | Sault Ste. Marie | 1827 | From part of Mackinac County. | | &&&&&&&&&&035543.&&&&&035,543 | &&&&&&&&&&&06988.&&&&&06,988 km² (&&&&&&&&&&&02698.&&&&&02,698 mi²) |
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| Clare County | 035 | Harrison | 1840 | From part of Mackinac County and unorganized territory. Was named Kaykakee County until 1843. | | &&&&&&&&&&031252.&&&&&031,252 | &&&&&&&&&&&01489.&&&&&01,489 km² (&&&&&&&&&&&&0575.&&&&&0575 mi²) |
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| Clinton County | 037 | St. Johns | 1831 | From unorganized territory. | | &&&&&&&&&&064753.&&&&&064,753 | &&&&&&&&&&&01489.&&&&&01,489 km² (&&&&&&&&&&&&0575.&&&&&0575 mi²) |
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| Crawford County | 039 | Grayling | 1840 | From part of Mackinac County and unorganized territory. Was named Shawano County until 1843. | | &&&&&&&&&&014273.&&&&&014,273 | &&&&&&&&&&&01458.&&&&&01,458 km² (&&&&&&&&&&&&0563.&&&&&0563 mi²) |
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| Delta County | 041 | Escanaba | 1843 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&038250.&&&&&038,250 | &&&&&&&&&&&05159.&&&&&05,159 km² (&&&&&&&&&&&01992.&&&&&01,992 mi²) |
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| Dickinson County | 043 | Iron Mountain | 1891 | From parts of Iron County, Marquette County and Menominee County. | | &&&&&&&&&&027472.&&&&&027,472 | &&&&&&&&&&&02012.&&&&&02,012 km² (&&&&&&&&&&&&0777.&&&&&0777 mi²) |
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| Eaton County | 045 | Charlotte | 1829 | From unorganized territory. | | &&&&&&&&&0103655.&&&&&0103,655 | &&&&&&&&&&&01500.&&&&&01,500 km² (&&&&&&&&&&&&0579.&&&&&0579 mi²) |
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| Emmet County | 047 | Petoskey | 1840 | From part of Mackinac County. Was named Tonegadana County until 1843. | | &&&&&&&&&&031437.&&&&&031,437 | &&&&&&&&&&&05918.&&&&&05,918 km² (&&&&&&&&&&&02285.&&&&&02,285 mi²) |
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| Genesee County | 049 | Flint | 1835 | From parts of Lapeer County, Saginaw County and Shiawassee County. | | &&&&&&&&&0436141.&&&&&0436,141 | &&&&&&&&&&&01681.&&&&&01,681 km² (&&&&&&&&&&&&0649.&&&&&0649 mi²) |
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| Gladwin County | 051 | Gladwin | 1831 | From unorganized territory. | | &&&&&&&&&&026023.&&&&&026,023 | &&&&&&&&&&&01336.&&&&&01,336 km² (&&&&&&&&&&&&0516.&&&&&0516 mi²) |
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| Gogebic County | 053 | Bessemer | 1887 | From part of Ontonagon County. | | &&&&&&&&&&017370.&&&&&017,370 | &&&&&&&&&&&03823.&&&&&03,823 km² (&&&&&&&&&&&01476.&&&&&01,476 mi²) |
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| Grand Traverse County | 055 | Traverse City | 1851 | From part of Omeena County. | | &&&&&&&&&&077654.&&&&&077,654 | &&&&&&&&&&&01557.&&&&&01,557 km² (&&&&&&&&&&&&0601.&&&&&0601 mi²) |
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| Gratiot County | 057 | Ithaca | 1831 | From unorganized territory. | | &&&&&&&&&&042285.&&&&&042,285 | &&&&&&&&&&&01481.&&&&&01,481 km² (&&&&&&&&&&&&0572.&&&&&0572 mi²) |
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| Hillsdale County | 059 | Hillsdale | 1829 | From unorganized territory. | | &&&&&&&&&&046527.&&&&&046,527 | &&&&&&&&&&&01572.&&&&&01,572 km² (&&&&&&&&&&&&0607.&&&&&0607 mi²) |
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| Houghton County | 061 | Houghton | 1845 | From parts of Marquette County and Ontonagon County. | | &&&&&&&&&&036016.&&&&&036,016 | &&&&&&&&&&&03890.&&&&&03,890 km² (&&&&&&&&&&&01502.&&&&&01,502 mi²) |
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| Huron County | 063 | Bad Axe | 1840 | From part of Sanilac County. | | &&&&&&&&&&036079.&&&&&036,079 | &&&&&&&&&&&05532.&&&&&05,532 km² (&&&&&&&&&&&02136.&&&&&02,136 mi²) |
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| Ingham County | 065 | Mason | 1829 (boundaries declared) 1838 (organised) | From parts of Shiawasee County, Washtenaw County and unorganized territory. | | &&&&&&&&&0279320.&&&&&0279,320 | &&&&&&&&&&&01453.&&&&&01,453 km² (&&&&&&&&&&&&0561.&&&&&0561 mi²) |
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| Ionia County | 067 | Ionia | 1831 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&061158.&&&&&061,158 | &&&&&&&&&&&01502.&&&&&01,502 km² (&&&&&&&&&&&&0580.&&&&&0580 mi²) |
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| Iosco County | 069 | Tawas City | 1840 | From unorganized territory. Was named Kanotin County until 1843. | | &&&&&&&&&&027339.&&&&&027,339 | &&&&&&&&&&&04898.&&&&&04,898 km² (&&&&&&&&&&&01891.&&&&&01,891 mi²) |
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| Iron County | 071 | Crystal Falls | 1885 | From parts of Marquette County and Menominee County. | | &&&&&&&&&&013138.&&&&&013,138 | &&&&&&&&&&&03136.&&&&&03,136 km² (&&&&&&&&&&&01211.&&&&&01,211 mi²) |
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| Isabella County | 073 | Mt. Pleasant | 1831 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&063351.&&&&&063,351 | &&&&&&&&&&&01497.&&&&&01,497 km² (&&&&&&&&&&&&0578.&&&&&0578 mi²) |
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| Jackson County | 075 | Jackson | 1829 (boundaries declared) 1832 (organised) | From part of Washtenaw County and unorganized territory. | | &&&&&&&&&&061518.&&&&&061,518 | &&&&&&&&&&&01875.&&&&&01,875 km² (&&&&&&&&&&&&0724.&&&&&0724 mi²) |
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| Kalamazoo County | 077 | Kalamazoo | 1829 | From unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Kalkaska County | 079 | Kalkaska | 1840 | From part of Mackinac County. Was named Wabassee County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Kent County | 081 | Grand Rapids | 1831 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Keweenaw County | 083 | Eagle River | 1861 | From part of Houghton County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Lake County | 085 | Baldwin | 1840 | From part of Mackinac County. Was named Aischum County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Lapeer County | 087 | Lapeer | 1822 | From parts of Oakland County and St. Clair County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Leelanau County | 089 | Leland | 1840 | From part of Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Lenawee County | 091 | Adrian | 1822 | From part of Monroe County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Livingston County | 093 | Howell | 1833 (boundaries declared) 1836 (organised) | From parts of Shiawassee County and Washtenaw County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Luce County | 095 | Newberry | 1887 | From parts of Chippewa County and Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Mackinac County | 097 | St. Ignace | 1818 | From part of Wayne County. Was named Michilimackinac County until 1837. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Macomb County | 099 | Mt. Clemens | 1818 | From part of Wayne County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Manistee County | 101 | Manistee | 1840 | From part of Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Marquette County | 103 | Marquette | 1843 | From parts of Chippewa County and Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Mason County | 105 | Ludington | 1840 | From part of Mackinac County. Was named Notipekago County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Mecosta County | 107 | Big Rapids | 1840 | From parts of Mackinac County and Oceana County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Menominee County | 109 | Menominee | 1861 | From part of Delta County. Was named Bleeker County until 1863. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Midland County | 111 | Midland | 1831 | From part of Saginaw County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Missaukee County | 113 | Lake City | 1840 | From part of Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Monroe County | 115 | Monroe | 1817 | From part of Wayne County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Montcalm County | 117 | Stanton | 1831 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Montmorency County | 119 | Atlanta | 1840 | From part of Mackinac County and unorganized territory. Was named Cheonoquet County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Muskegon County | 121 | Muskegon | 1859 | From parts of Oceana County and Ottawa County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Newaygo County | 123 | White Cloud | 1840 | From parts of Mackinac County and Oceana County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Oakland County | 125 | Pontiac | 1819 (boundaries declared) 1820 (organised) | From part of Macomb County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Oceana County | 127 | Hart | 1831 | From part of Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Ogemaw County | 129 | West Branch | 1840 | From unorganized territory. Annexed to Iosco County in 1867 and reinstated in 1873. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Ontonagon County | 131 | Ontonagon | 1843 | From parts of Chippewa County and Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Osceola County | 133 | Reed City | 1840 | From part of Mackinac County. Was named Unwattin County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Oscoda County | 135 | Mio | 1840 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Otsego County | 137 | Gaylord | 1840 | From part of Mackinac County. Was named Okkudo County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Ottawa County | 139 | Grand Haven | 1831 | From part of Mackinac County and unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Presque Isle County | 141 | Rogers City | 1840 | From part of Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Roscommon County | 143 | Roscommon | 1840 | From part of Mackinac County and unorganized territory. Was named Mikenauk County until 1843. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Saginaw County | 145 | Saginaw | 1822 | From part of Oakland County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| St. Clair County | 147 | Port Huron | 1820 | From part of Macomb County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| St. Joseph County | 149 | Centerville | 1829 | From unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Sanilac County | 151 | Sandusky | 1822 | From part of St. Clair County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Schoolcraft County | 153 | Manistique | 1843 | From parts of Chippewa County and Mackinac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Shiawassee County | 155 | Corunna | 1822 | From parts of Oakland County and St. Clair County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Tuscola County | 157 | Caro | 1840 | From part of Sanilac County. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Van Buren County | 159 | Paw Paw | 1829 | From unorganized territory. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Washtenaw County | 161 | Ann Arbor | 1822 (boundaries declared) 1826 (organised) | From parts of Oakland County and Wayne County | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Wayne County | 163 | Detroit | 1815 | All lands within Michigan Territory that had been ceded by Native Americans through the 1807 Treaty of Detroit. | | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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| Wexford County | 165 | Cadillac | 1840 | From part of Mackinac County. Was named Kautawaubet County until 1843. | 1,491 km² (576 mi²) | &&&&&&&&&&&&&&00.&&&&&0 | 0Expression error: Unrecognised word "expression".Expression error: Unrecognised word "expression"Expression error: Unexpected * operator km² (&&&&&&&&&&&&&&00.&&&&&0 mi²) |
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