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List of counties in Michigan facts for kids

Kids Encyclopedia Facts
Quick facts for kids
Counties of Michigan
Location Michigan
Number 83
Populations 2,172 (Keweenaw) – 1,751,169 (Wayne)
Areas 508 square miles (1,320 km2) (Cass) – 5,966 square miles (15,450 km2) (Keweenaw)
Government County government
Subdivisions Cities, charter townships, civil townships, villages, unincorporated communities, census-designated places

There are 83 counties in the U.S. state of Michigan. Counties are important areas of local government. They help organize land and provide services to people.

For a long time, Michigan's state government often changed county borders. This was done to help set up government in new areas. It also encouraged people to settle there by dividing the land into parts that could be bought.

Creating a county usually happened in two steps. First, the borders were drawn and a name was given. The county would appear on maps, even if it didn't have a full government yet. During this time, the new county was linked to an older, more organized county for help with managing things.

Later, people living in the new county could ask the state government to officially organize it. This meant the county would get full legal recognition and its own government.

Some cities and villages in Michigan are located in more than one county. This includes Lansing, the state capital. For a few years in the 1970s, cities that were split between counties could ask to change the county borders to match the city's borders. Only one city, New Baltimore, did this. It used to be in both Macomb County and St. Clair County, but now it's all in Macomb County. This was the only county border change in Michigan since the early 1900s.

The state's old constitution from 1850 allowed a city with at least 20,000 people to become its own county. The 1908 constitution kept this rule but raised the number to 100,000 people. No city ever became its own county this way. When a new constitution was made in 1963, this rule was removed.

Michigan shares water borders with other states. Its border with Illinois is in Lake Michigan. Three Michigan counties touch this water border: Berrien County, Van Buren County, and Allegan County. Michigan also has a water border with Minnesota in Lake Superior. This border involves Ontonagon County and Keweenaw County. The land border with Wisconsin continues into Lake Superior. It includes Gogebic County (which has a land border) and Ontonagon County (which only has a water border).

County Names and Their Meanings

Many Michigan counties have interesting names. Here's how some of them got their names:

Names from Henry Schoolcraft

Nine counties have names created by Henry Schoolcraft. He was an expert who studied different cultures. He often made up words that sounded like Native American words. Sometimes, he also used parts of Greek, Arabic, and Latin words.

It's not always clear where Schoolcraft's made-up words came from. He loved Native American words and culture. But some of his words might have come from tribes in other parts of the country, like New York. Many early settlers in Michigan came from those areas.

Names from Ireland

Four counties were renamed after places in Ireland. These are Antrim, Clare, Roscommon, and Wexford. This probably happened because some Michigan lawmakers or the people they represented had strong ties to Ireland.

Names from Andrew Jackson's Cabinet

Ten counties are known as "cabinet counties". They were named after people who worked for President Andrew Jackson. This was important because Michigan was about to become a state during his time as president. Eight of these counties were named in 1829. Livingston County was named in 1833. Cass County was also named in 1829, but Governor Lewis Cass didn't join Jackson's Cabinet until 1831.

FIPS County Codes

Each county in the United States has a special five-digit number called a FIPS county code. FIPS stands for Federal Information Processing Standard. The last three digits are unique for each county within a state. To make the code unique for the whole country, you add the state code in front. For example, Alcona County, Michigan, has the county code 001. Michigan's state code is 26. So, Alcona County's unique FIPS code is 26001.

List of Michigan Counties

County
FIPS code County seat Est. Origin Etymology Population (2023) Area Map
Alcona County 001 Harrisville 1840 (borders set)
1869 (organized)
From unorganized land; called Negwegon County until 1843 Schoolcraft pseudo-Native American name &&&&&&&&&&010489.&&&&&010,489 &&&&&&&&&&&01791.&&&&&01,791 sq mi
(&&&&&&&&&&&04639.&&&&&04,639 km2)
State map highlighting Alcona County
Alger County 003 Munising 1885 From part of Schoolcraft County Russell A. Alger (1836-1907): Governor and national politician &&&&&&&&&&&08757.&&&&&08,757 &&&&&&&&&&&05049.&&&&&05,049 sq mi
(&&&&&&&&&&013077.&&&&&013,077 km2)
State map highlighting Alger County
Allegan County 005 Allegan 1831 (borders set)
1835 (organized)
From part of Barry County, and unorganized land Schoolcraft pseudo-Native American name &&&&&&&&&0121939.&&&&&0121,939 &&&&&&&&&&&01833.&&&&&01,833 sq mi
(&&&&&&&&&&&04747.&&&&&04,747 km2)
State map highlighting Allegan County
Alpena County 007 Alpena 1840 (borders set)
1857 (organized)
From part of Mackinac County, and unorganized land. Was called Anamickee County until 1843. Schoolcraft pseudo-Native American name &&&&&&&&&&028904.&&&&&028,904 &&&&&&&&&&&01695.&&&&&01,695 sq mi
(&&&&&&&&&&&04390.&&&&&04,390 km2)
State map highlighting Alpena County
Antrim County 009 Bellaire 1840 (borders set)
1863 (organized)
From part of Mackinac County; called Meegisee County until 1843 County Antrim, now in Northern Ireland &&&&&&&&&&024409.&&&&&024,409 &&&&&&&&&&&&0602.&&&&&0602 sq mi
(&&&&&&&&&&&01559.&&&&&01,559 km2)
State map highlighting Antrim County
Arenac County 011 Standish 1831 (borders set)
1883 (organized)
From unorganized land; joined to Bay County in 1857, but brought back in 1883 Schoolcraft pseudo-Native American name &&&&&&&&&&015145.&&&&&015,145 &&&&&&&&&&&&0681.&&&&&0681 sq mi
(&&&&&&&&&&&01764.&&&&&01,764 km2)
State map highlighting Arenac County
Baraga County 013 L'Anse 1875 From part of Houghton County Frederic Baraga (1797-1868): Catholic missionary and first bishop of Sault Ste. Marie &&&&&&&&&&&08310.&&&&&08,310 &&&&&&&&&&&01069.&&&&&01,069 sq mi
(&&&&&&&&&&&02769.&&&&&02,769 km2)
State map highlighting Baraga County
Barry County 015 Hastings 1829 (borders set)
1839 (organized)
From unorganized land William T. Barry (1784-1835): Postmaster General in the Jackson Administration &&&&&&&&&&063808.&&&&&063,808 &&&&&&&&&&&&0577.&&&&&0577 sq mi
(&&&&&&&&&&&01494.&&&&&01,494 km2)
State map highlighting Barry County
Bay County 017 Bay City 1857 From parts of Arenac, Midland, and Saginaw Counties Saginaw Bay &&&&&&&&&0102500.&&&&&0102,500 &&&&&&&&&&&&0631.&&&&&0631 sq mi
(&&&&&&&&&&&01634.&&&&&01,634 km2)
State map highlighting Bay County
Benzie County 019 Beulah 1863 From part of Leelanau County French name of Betsie River: (rivière aux) Bec-scies, meaning "(river of) sawbill ducks" &&&&&&&&&&018441.&&&&&018,441 &&&&&&&&&&&&0860.&&&&&0860 sq mi
(&&&&&&&&&&&02227.&&&&&02,227 km2)
State map highlighting Benzie County
Berrien County 021 St. Joseph 1829 From unorganized land John M. Berrien (1781-1856): Attorney General in the Jackson Administration &&&&&&&&&0152261.&&&&&0152,261 &&&&&&&&&&&01581.&&&&&01,581 sq mi
(&&&&&&&&&&&04095.&&&&&04,095 km2)
State map highlighting Berrien County
Branch County 023 Coldwater 1829 From unorganized land John Branch (1782-1863): Secretary of the Navy in the Jackson Administration &&&&&&&&&&045215.&&&&&045,215 &&&&&&&&&&&&0519.&&&&&0519 sq mi
(&&&&&&&&&&&01344.&&&&&01,344 km2)
State map highlighting Branch County
Calhoun County 025 Marshall 1829 From unorganized land John C. Calhoun (1782-1850): Vice President of the United States in the Jackson Administration &&&&&&&&&0133366.&&&&&0133,366 &&&&&&&&&&&&0718.&&&&&0718 sq mi
(&&&&&&&&&&&01860.&&&&&01,860 km2)
State map highlighting Calhoun County
Cass County 027 Cassopolis 1829 From unorganized land Lewis Cass (1782-1866): Secretary of War in the Jackson Administration &&&&&&&&&&051642.&&&&&051,642 &&&&&&&&&&&&0508.&&&&&0508 sq mi
(&&&&&&&&&&&01316.&&&&&01,316 km2)
State map highlighting Cass County
Charlevoix County 029 Charlevoix 1869 From parts of Antrim, Emmet, and Otsego Counties Pierre François Xavier de Charlevoix (1682-1761): Jesuit traveler and historian of New France &&&&&&&&&&026159.&&&&&026,159 &&&&&&&&&&&01391.&&&&&01,391 sq mi
(&&&&&&&&&&&03603.&&&&&03,603 km2)
State map highlighting Charlevoix County
Cheboygan County 031 Cheboygan 1840 From part of Mackinac County Cheboygan River &&&&&&&&&&026048.&&&&&026,048 &&&&&&&&&&&&0885.&&&&&0885 sq mi
(&&&&&&&&&&&02292.&&&&&02,292 km2)
State map highlighting Cheboygan County
Chippewa County 033 Sault Ste. Marie 1827 From part of Mackinac County Ojibwa Native American tribe, also known as the Chippewa &&&&&&&&&&036264.&&&&&036,264 &&&&&&&&&&&02698.&&&&&02,698 sq mi
(&&&&&&&&&&&06988.&&&&&06,988 km2)
State map highlighting Chippewa County
Clare County 035 Harrison 1840 From part of Mackinac County, and unorganized land; called Kaykakee County until 1843 County Clare, Ireland &&&&&&&&&&031316.&&&&&031,316 &&&&&&&&&&&&0575.&&&&&0575 sq mi
(&&&&&&&&&&&01489.&&&&&01,489 km2)
State map highlighting Clare County
Clinton County 037 St. Johns 1831 From unorganized land DeWitt Clinton (1769-1828): Governor of New York. &&&&&&&&&&079720.&&&&&079,720 &&&&&&&&&&&&0575.&&&&&0575 sq mi
(&&&&&&&&&&&01489.&&&&&01,489 km2)
State map highlighting Clinton County
Crawford County 039 Grayling 1840 From part of Mackinac County and unorganized land. Was called Shawano County until 1843. William Crawford (1732-82): American Revolutionary War colonel and surveyor &&&&&&&&&&013538.&&&&&013,538 &&&&&&&&&&&&0563.&&&&&0563 sq mi
(&&&&&&&&&&&01458.&&&&&01,458 km2)
State map highlighting Crawford County
Delta County 041 Escanaba 1843 From part of Mackinac County and unorganized land. Greek letter delta, for the original triangular shape of the county &&&&&&&&&&036790.&&&&&036,790 &&&&&&&&&&&01992.&&&&&01,992 sq mi
(&&&&&&&&&&&05159.&&&&&05,159 km2)
State map highlighting Delta County
Dickinson County 043 Iron Mountain 1891 From parts of Iron County, Marquette County and Menominee County. Donald M. Dickinson (1846-1917): Postmaster General in the Cleveland Administration &&&&&&&&&&025982.&&&&&025,982 &&&&&&&&&&&&0777.&&&&&0777 sq mi
(&&&&&&&&&&&02012.&&&&&02,012 km2)
State map highlighting Dickinson County
Eaton County 045 Charlotte 1829 From unorganized land. John Eaton (1790-1856): Secretary of War in the Jackson Administration &&&&&&&&&0108820.&&&&&0108,820 &&&&&&&&&&&&0579.&&&&&0579 sq mi
(&&&&&&&&&&&01500.&&&&&01,500 km2)
State map highlighting Eaton County
Emmet County 047 Petoskey 1840 From part of Mackinac County. Was called Tonegadana County until 1843. Robert Emmet (1778-1803): Irish nationalist and rebel leader &&&&&&&&&&034123.&&&&&034,123 &&&&&&&&&&&&0882.&&&&&0882 sq mi
(&&&&&&&&&&&02284.&&&&&02,284 km2)
State map highlighting Emmet County
Genesee County 049 Flint 1835 From parts of Lapeer County, Saginaw County and Shiawassee County. Seneca word, "je-nis-hi-yeh," meaning "beautiful valley" &&&&&&&&&0401522.&&&&&0401,522 &&&&&&&&&&&&0649.&&&&&0649 sq mi
(&&&&&&&&&&&01681.&&&&&01,681 km2)
State map highlighting Genesee County
Gladwin County 051 Gladwin 1831 From unorganized land. Major Henry Gladwin: British commander at Detroit during the siege by Chief Pontiac &&&&&&&&&&025853.&&&&&025,853 &&&&&&&&&&&&0516.&&&&&0516 sq mi
(&&&&&&&&&&&01336.&&&&&01,336 km2)
State map highlighting Gladwin County
Gogebic County 053 Bessemer 1887 From part of Ontonagon County. Probably from the Chippewa "bic" meaning "rock" &&&&&&&&&&014224.&&&&&014,224 &&&&&&&&&&&01476.&&&&&01,476 sq mi
(&&&&&&&&&&&03823.&&&&&03,823 km2)
State map highlighting Gogebic County
Grand Traverse County 055 Traverse City 1840 (borders set)
1851 (organized)
From part of Mackinac County; called Omeena County until 1851. French grande traverse ("long crossing"), for Grand Traverse Bay &&&&&&&&&&096421.&&&&&096,421 &&&&&&&&&&&&0601.&&&&&0601 sq mi
(&&&&&&&&&&&01557.&&&&&01,557 km2)
State map highlighting Grand Traverse County
Gratiot County 057 Ithaca 1831 From unorganized land. Captain Charles Gratiot (1788-1855): built Fort Gratiot at Port Huron &&&&&&&&&&041368.&&&&&041,368 &&&&&&&&&&&&0572.&&&&&0572 sq mi
(&&&&&&&&&&&01481.&&&&&01,481 km2)
State map highlighting Gratiot County
Hillsdale County 059 Hillsdale 1829 From unorganized land. From its terrain, made up of hills and dales &&&&&&&&&&045587.&&&&&045,587 &&&&&&&&&&&&0607.&&&&&0607 sq mi
(&&&&&&&&&&&01572.&&&&&01,572 km2)
State map highlighting Hillsdale County
Houghton County 061 Houghton 1845 From parts of Marquette County and Ontonagon County. Douglass Houghton (1809-1845): first state geologist of Michigan &&&&&&&&&&037599.&&&&&037,599 &&&&&&&&&&&01502.&&&&&01,502 sq mi
(&&&&&&&&&&&03890.&&&&&03,890 km2)
State map highlighting Houghton County
Huron County 063 Bad Axe 1840 From part of Sanilac County. Lake Huron, which the French named lac des Hurons after the Hurons &&&&&&&&&&030927.&&&&&030,927 &&&&&&&&&&&02136.&&&&&02,136 sq mi
(&&&&&&&&&&&05532.&&&&&05,532 km2)
State map highlighting Huron County
Ingham County 065 Mason 1829 (borders set)
1838 (organized)
From parts of Shiawassee County, Washtenaw County and unorganized land. Samuel D. Ingham (1779-1860): U.S. Secretary of the Treasury in the Jackson Administration &&&&&&&&&0284637.&&&&&0284,637 &&&&&&&&&&&&0561.&&&&&0561 sq mi
(&&&&&&&&&&&01453.&&&&&01,453 km2)
State map highlighting Ingham County
Ionia County 067 Ionia 1831 From part of Mackinac County and unorganized land. Province in ancient Greece &&&&&&&&&&066262.&&&&&066,262 &&&&&&&&&&&&0580.&&&&&0580 sq mi
(&&&&&&&&&&&01502.&&&&&01,502 km2)
State map highlighting Ionia County
Iosco County 069 Tawas City 1840 From unorganized land. Was called Kanotin County until 1843. Schoolcraft pseudo-Native American name &&&&&&&&&&025373.&&&&&025,373 &&&&&&&&&&&01891.&&&&&01,891 sq mi
(&&&&&&&&&&&04898.&&&&&04,898 km2)
State map highlighting Iosco County
Iron County 071 Crystal Falls 1885 From parts of Marquette County and Menominee County. For the iron deposits and mines found in the county &&&&&&&&&&011740.&&&&&011,740 &&&&&&&&&&&01211.&&&&&01,211 sq mi
(&&&&&&&&&&&03136.&&&&&03,136 km2)
State map highlighting Iron County
Isabella County 073 Mt. Pleasant 1831 From part of Mackinac County and unorganized land. Queen Isabella I (1451-1504) of Spain, who supported Columbus's voyages. &&&&&&&&&&064118.&&&&&064,118 &&&&&&&&&&&&0578.&&&&&0578 sq mi
(&&&&&&&&&&&01497.&&&&&01,497 km2)
State map highlighting Isabella County
Jackson County 075 Jackson 1829 (borders set)
1832 (organized)
From part of Washtenaw County and unorganized land. Andrew Jackson (1767-1845): 7th President of the United States &&&&&&&&&0159424.&&&&&0159,424 &&&&&&&&&&&&0724.&&&&&0724 sq mi
(&&&&&&&&&&&01875.&&&&&01,875 km2)
State map highlighting Jackson County
Kalamazoo County 077 Kalamazoo 1829 From unorganized land. Named for the Kalamazoo River. See Etymology of Kalamazoo for more. &&&&&&&&&0262215.&&&&&0262,215 &&&&&&&&&&&&0580.&&&&&0580 sq mi
(&&&&&&&&&&&01502.&&&&&01,502 km2)
State map highlighting Kalamazoo County
Kalkaska County 079 Kalkaska 1840 From part of Mackinac County. Was called Wabassee County until 1843. Schoolcraft pseudo-Native American name &&&&&&&&&&018490.&&&&&018,490 &&&&&&&&&&&&0571.&&&&&0571 sq mi
(&&&&&&&&&&&01479.&&&&&01,479 km2)
State map highlighting Kalkaska County
Kent County 081 Grand Rapids 1831 From part of Mackinac County and unorganized land. James Kent: New York judge who helped Michigan Territory &&&&&&&&&0661354.&&&&&0661,354 &&&&&&&&&&&&0872.&&&&&0872 sq mi
(&&&&&&&&&&&02258.&&&&&02,258 km2)
State map highlighting Kent County
Keweenaw County 083 Eagle River 1861 From part of Houghton County. Ojibwe word gakiiwe-wewaning meaning "portage" &&&&&&&&&&&02172.&&&&&02,172 &&&&&&&&&&&05966.&&&&&05,966 sq mi
(&&&&&&&&&&015452.&&&&&015,452 km2)
State map highlighting Keweenaw County
Lake County 085 Baldwin 1840 From part of Mackinac County. Was called Aischum County until 1843. Has several small lakes and is near Lake Michigan &&&&&&&&&&012734.&&&&&012,734 &&&&&&&&&&&&0575.&&&&&0575 sq mi
(&&&&&&&&&&&01489.&&&&&01,489 km2)
State map highlighting Lake County
Lapeer County 087 Lapeer 1822 From parts of Oakland County and St. Clair County. From the French la pierre, meaning "the rock" (flint) &&&&&&&&&&088977.&&&&&088,977 &&&&&&&&&&&&0663.&&&&&0663 sq mi
(&&&&&&&&&&&01717.&&&&&01,717 km2)
State map highlighting Lapeer County
Leelanau County 089 Suttons Bay Township 1840 From part of Mackinac County. Schoolcraft pseudo-Native American name &&&&&&&&&&023019.&&&&&023,019 &&&&&&&&&&&02532.&&&&&02,532 sq mi
(&&&&&&&&&&&06558.&&&&&06,558 km2)
State map highlighting Leelanau County
Lenawee County 091 Adrian 1822 From part of Monroe County. A Schoolcraft pseudo-Native American name for man &&&&&&&&&&097520.&&&&&097,520 &&&&&&&&&&&&0761.&&&&&0761 sq mi
(&&&&&&&&&&&01971.&&&&&01,971 km2)
State map highlighting Lenawee County
Livingston County 093 Howell 1833 (borders set)
1836 (organized)
From parts of Shiawassee County and Washtenaw County. Edward Livingston (1764-1836): Secretary of State in the Andrew Jackson administration &&&&&&&&&0196757.&&&&&0196,757 &&&&&&&&&&&&0585.&&&&&0585 sq mi
(&&&&&&&&&&&01515.&&&&&01,515 km2)
State map highlighting Livingston County
Luce County 095 Newberry 1887 From parts of Chippewa County and Mackinac County. Named for Michigan Governor Cyrus G. Luce &&&&&&&&&&&06435.&&&&&06,435 &&&&&&&&&&&01912.&&&&&01,912 sq mi
(&&&&&&&&&&&04952.&&&&&04,952 km2)
State map highlighting Luce County
Mackinac County 097 St. Ignace 1818 From part of Wayne County. Was called Michilimackinac County until 1837. Originally Michilimackinac, meaning "big turtle" &&&&&&&&&&010851.&&&&&010,851 &&&&&&&&&&&02101.&&&&&02,101 sq mi
(&&&&&&&&&&&05442.&&&&&05,442 km2)
State map highlighting Mackinac County
Macomb County 099 Mt. Clemens 1818 From part of Wayne County. Named for U.S. General Alexander Macomb, a hero of the War of 1812 &&&&&&&&&0875101.&&&&&0875,101 &&&&&&&&&&&&0570.&&&&&0570 sq mi
(&&&&&&&&&&&01476.&&&&&01,476 km2)
State map highlighting Macomb County
Manistee County 101 Manistee 1840 From part of Mackinac County. Named for the Manistee River, from the Ojibwe name ministigweyaa meaning "(river) at whose mouth there are islands" &&&&&&&&&&025562.&&&&&025,562 &&&&&&&&&&&01281.&&&&&01,281 sq mi
(&&&&&&&&&&&03318.&&&&&03,318 km2)
State map highlighting Manistee County
Marquette County 103 Marquette 1843 From parts of Chippewa County and Mackinac County. Named for French Jesuit missionary Jacques Marquette &&&&&&&&&&066999.&&&&&066,999 &&&&&&&&&&&03425.&&&&&03,425 sq mi
(&&&&&&&&&&&08871.&&&&&08,871 km2)
State map highlighting Marquette County
Mason County 105 Ludington 1840 From part of Mackinac County. Was called Notipekago County until 1843. Named for Michigan Governor Stevens T. Mason &&&&&&&&&&029159.&&&&&029,159 &&&&&&&&&&&01242.&&&&&01,242 sq mi
(&&&&&&&&&&&03217.&&&&&03,217 km2)
State map highlighting Mason County
Mecosta County 107 Big Rapids 1840 From parts of Mackinac County and Oceana County. Named for Mecosta, a Native American leader &&&&&&&&&&041099.&&&&&041,099 &&&&&&&&&&&&0571.&&&&&0571 sq mi
(&&&&&&&&&&&01479.&&&&&01,479 km2)
State map highlighting Mecosta County
Menominee County 109 Menominee 1861 From part of Delta County. Was called Bleeker County until 1863. Named for the Menominee Native American people &&&&&&&&&&022945.&&&&&022,945 &&&&&&&&&&&01338.&&&&&01,338 sq mi
(&&&&&&&&&&&03465.&&&&&03,465 km2)
State map highlighting Menominee County
Midland County 111 Midland 1831 From part of Saginaw County and unorganized land. Located near the center of the Lower Peninsula &&&&&&&&&&084039.&&&&&084,039 &&&&&&&&&&&&0528.&&&&&0528 sq mi
(&&&&&&&&&&&01368.&&&&&01,368 km2)
State map highlighting Midland County
Missaukee County 113 Lake City 1840 From part of Mackinac County. Named for Missaukee, an Ottawa leader who signed land treaties &&&&&&&&&&015311.&&&&&015,311 &&&&&&&&&&&&0574.&&&&&0574 sq mi
(&&&&&&&&&&&01487.&&&&&01,487 km2)
State map highlighting Missaukee County
Monroe County 115 Monroe 1817 From part of Wayne County. Named for James Monroe, the fifth U.S. President &&&&&&&&&0155045.&&&&&0155,045 &&&&&&&&&&&&0680.&&&&&0680 sq mi
(&&&&&&&&&&&01761.&&&&&01,761 km2)
State map highlighting Monroe County
Montcalm County 117 Stanton 1831 From part of Mackinac County and unorganized land. Named for Louis-Joseph de Montcalm, a French military commander in Quebec &&&&&&&&&&068154.&&&&&068,154 &&&&&&&&&&&&0721.&&&&&0721 sq mi
(&&&&&&&&&&&01867.&&&&&01,867 km2)
State map highlighting Montcalm County
Montmorency County 119 Atlanta 1840 From part of Mackinac County and unorganized land. Was called Cheonoquet County until 1843. House of Montmorency, an important French family &&&&&&&&&&&09678.&&&&&09,678 &&&&&&&&&&&&0562.&&&&&0562 sq mi
(&&&&&&&&&&&01456.&&&&&01,456 km2)
State map highlighting Montmorency County
Muskegon County 121 Muskegon 1859 From parts of Oceana County and Ottawa County. Muskegon River, from the Ojibwa/Chippewa word mashkig meaning "swamp" or "marsh" &&&&&&&&&0176564.&&&&&0176,564 &&&&&&&&&&&01459.&&&&&01,459 sq mi
(&&&&&&&&&&&03779.&&&&&03,779 km2)
State map highlighting Muskegon County
Newaygo County 123 White Cloud 1840 From parts of Mackinac County and Oceana County. Named for a Chippewa leader who signed the Saginaw Treaty of 1819 &&&&&&&&&&051108.&&&&&051,108 &&&&&&&&&&&&0861.&&&&&0861 sq mi
(&&&&&&&&&&&02230.&&&&&02,230 km2)
State map highlighting Newaygo County
Oakland County 125 Pontiac 1819 (borders set)
1820 (organized)
From part of Macomb County. The many "oak openings" in the area, like natural orchards &&&&&&&&01270426.&&&&&01,270,426 &&&&&&&&&&&&0908.&&&&&0908 sq mi
(&&&&&&&&&&&02352.&&&&&02,352 km2)
State map highlighting Oakland County
Oceana County 127 Hart 1831 From part of Mackinac County. Borders Lake Michigan, the freshwater "ocean" &&&&&&&&&&026981.&&&&&026,981 &&&&&&&&&&&01307.&&&&&01,307 sq mi
(&&&&&&&&&&&03385.&&&&&03,385 km2)
State map highlighting Oceana County
Ogemaw County 129 West Branch 1840 From unorganized land. Joined to Iosco County in 1867 and brought back in 1873. The Ojibwe word ogimaa, meaning "chief" or "leader" &&&&&&&&&&020990.&&&&&020,990 &&&&&&&&&&&&0575.&&&&&0575 sq mi
(&&&&&&&&&&&01489.&&&&&01,489 km2)
State map highlighting Ogemaw County
Ontonagon County 131 Ontonagon 1843 (borders set)
1848 (organized)
From parts of Chippewa County and Mackinac County. Named for the Ontonagon River. The Ojibwa word onagon means "dish" or "bowl." &&&&&&&&&&&05906.&&&&&05,906 &&&&&&&&&&&03741.&&&&&03,741 sq mi
(&&&&&&&&&&&09689.&&&&&09,689 km2)
State map highlighting Ontonagon County
Osceola County 133 Reed City 1840 From part of Mackinac County. Was called Unwattin County until 1843. Osceola (1804-1838), Seminole chief &&&&&&&&&&023330.&&&&&023,330 &&&&&&&&&&&&0573.&&&&&0573 sq mi
(&&&&&&&&&&&01484.&&&&&01,484 km2)
State map highlighting Osceola County
Oscoda County 135 Mio 1840 From part of Mackinac County and unorganized land. Schoolcraft pseudo-Native American name &&&&&&&&&&&08545.&&&&&08,545 &&&&&&&&&&&&0572.&&&&&0572 sq mi
(&&&&&&&&&&&01481.&&&&&01,481 km2)
State map highlighting Oscoda County
Otsego County 137 Gaylord 1840 From part of Mackinac County. Was called Okkudo County until 1843. Named for Otsego County, New York &&&&&&&&&&025747.&&&&&025,747 &&&&&&&&&&&&0526.&&&&&0526 sq mi
(&&&&&&&&&&&01362.&&&&&01,362 km2)
State map highlighting Otsego County
Ottawa County 139 Grand Haven 1831 From part of Mackinac County and unorganized land. Named for the Native American Ottawa people. &&&&&&&&&0303372.&&&&&0303,372 &&&&&&&&&&&01632.&&&&&01,632 sq mi
(&&&&&&&&&&&04227.&&&&&04,227 km2)
State map highlighting Ottawa County
Presque Isle County 141 Rogers City 1840 From part of Mackinac County. From the French phrase for "peninsula", meaning "almost an island" &&&&&&&&&&013285.&&&&&013,285 &&&&&&&&&&&02573.&&&&&02,573 sq mi
(&&&&&&&&&&&06664.&&&&&06,664 km2)
State map highlighting Presque Isle County
Roscommon County 143 Roscommon 1840 From part of Mackinac County and unorganized land. Was called Mikenauk County until 1843. County Roscommon, Ireland &&&&&&&&&&023863.&&&&&023,863 &&&&&&&&&&&&0580.&&&&&0580 sq mi
(&&&&&&&&&&&01502.&&&&&01,502 km2)
State map highlighting Roscommon County
Saginaw County 145 Saginaw 1822 From part of Oakland County. A Native American term, possibly meaning "at the outlet" for the Saginaw River and Bay &&&&&&&&&0187782.&&&&&0187,782 &&&&&&&&&&&&0816.&&&&&0816 sq mi
(&&&&&&&&&&&02113.&&&&&02,113 km2)
State map highlighting Saginaw County
St. Clair County 147 Port Huron 1820 From part of Macomb County. Named for either Arthur St. Clair, first governor of the Northwest Territory, or Saint Clair &&&&&&&&&0159874.&&&&&0159,874 &&&&&&&&&&&&0837.&&&&&0837 sq mi
(&&&&&&&&&&&02168.&&&&&02,168 km2)
State map highlighting St. Clair County
St. Joseph County 149 Centreville 1829 From unorganized land. The St. Joseph River, which flows through the county. &&&&&&&&&&060878.&&&&&060,878 &&&&&&&&&&&&0521.&&&&&0521 sq mi
(&&&&&&&&&&&01349.&&&&&01,349 km2)
State map highlighting St. Joseph County
Sanilac County 151 Sandusky 1822 From part of St. Clair County. Sanilac, a Wyandotte chief &&&&&&&&&&040368.&&&&&040,368 &&&&&&&&&&&01590.&&&&&01,590 sq mi
(&&&&&&&&&&&04118.&&&&&04,118 km2)
State map highlighting Sanilac County
Schoolcraft County 153 Manistique 1843 From parts of Chippewa County and Mackinac County. Henry Rowe Schoolcraft (1793-1864): American geographer and Superintendent of Indian Affairs in Michigan &&&&&&&&&&&08149.&&&&&08,149 &&&&&&&&&&&01884.&&&&&01,884 sq mi
(&&&&&&&&&&&04880.&&&&&04,880 km2)
State map highlighting Schoolcraft County
Shiawassee County 155 Corunna 1822 From parts of Oakland County and St. Clair County. Named for the Shiawassee River, meaning 'river that twists about' &&&&&&&&&&068025.&&&&&068,025 &&&&&&&&&&&&0541.&&&&&0541 sq mi
(&&&&&&&&&&&01401.&&&&&01,401 km2)
State map highlighting Shiawassee County
Tuscola County 157 Caro 1840 From part of Sanilac County. Schoolcraft pseudo-Native American name &&&&&&&&&&052826.&&&&&052,826 &&&&&&&&&&&&0914.&&&&&0914 sq mi
(&&&&&&&&&&&02367.&&&&&02,367 km2)
State map highlighting Tuscola County
Van Buren County 159 Paw Paw 1829 From unorganized land. Martin Van Buren (1782-1862): Secretary of State in the Jackson Administration, later Vice President and 8th President of the United States &&&&&&&&&&075798.&&&&&075,798 &&&&&&&&&&&01090.&&&&&01,090 sq mi
(&&&&&&&&&&&02823.&&&&&02,823 km2)
State map highlighting Van Buren County
Washtenaw County 161 Ann Arbor 1822 (borders set)
1826 (organized)
From parts of Oakland County and Wayne County From the Native American name for the Grand River, O-wash-ta-nong ("faraway water") &&&&&&&&&0365536.&&&&&0365,536 &&&&&&&&&&&&0723.&&&&&0723 sq mi
(&&&&&&&&&&&01873.&&&&&01,873 km2)
State map highlighting Washtenaw County
Wayne County 163 Detroit 1815 All lands in Michigan Territory given up by Native Americans in the 1807 Treaty of Detroit. "Mad" Anthony Wayne (1745-1796): United States Army general and statesman &&&&&&&&01751169.&&&&&01,751,169 &&&&&&&&&&&&0672.&&&&&0672 sq mi
(&&&&&&&&&&&01740.&&&&&01,740 km2)
State map highlighting Wayne County
Wexford County 165 Cadillac 1840 From part of Mackinac County. Was called Kautawaubet County until 1843. County Wexford, Ireland &&&&&&&&&&034122.&&&&&034,122 &&&&&&&&&&&&0576.&&&&&0576 sq mi
(&&&&&&&&&&&01492.&&&&&01,492 km2)
State map highlighting Wexford County

Counties That No Longer Exist

This section lists counties or areas that acted like counties that were created by Michigan Territory or the State of Michigan, but no longer exist as separate counties.

See also

Kids robot.svg In Spanish: Anexo:Condados de Míchigan para niños

  • Cabinet counties
  • List of former United States counties
  • List of county subdivisions in Michigan
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List of counties in Michigan Facts for Kids. Kiddle Encyclopedia.