Michigan County Map Formation by Year
1790
1792
1796
1800
1801
1803
1805
1815
1816
1817
1818
1820
1821
1822
1826
1827
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1843
1844
1845
1846
1848
1849
1850
1851
1853
1855
1857
1858
1859
1861
1862
1863
1865
1867
1869
1871
1873
1875
1877
1879
1881
1883
1885
1887
1891
1895
1896
1897
Michigan County Map Abbreviations
unorg. = unorganized
g. = gained
w. = with
fr. = from
atmt. = attachment
exch = exchanged
nca.= non county area
ch. = changed
Al -
Alger
Alc -
Alcona
All -
Allegan
Alp -
Alpena
Ant -
Antrim
Ar -
Arenac
Bay -
Bay
Ben -
Benzie
Ber -
Berrien
Bga -
Baraga
Bra -
Branch
Bry -
Barry
Cal -
Calhoun
Cas -
Cass
Cbg -
Cheboygan
Cha -
Charlevoix
Chi -
Chippewa
Cla -
Clare
Cli -
Clinton
Cr -
Crawford
De -
Delta
Di -
Dickinson
Ea -
Eaton
Em -
Emmet
Ge -
Genesee
Gl -
Gladwin
Go -
Gogebic
Gr -
Gratiot
GT -
Grand Traverse
Hi -
Hillsdale
Ho -
Houghton
Hu -
Huron
In -
Ingham
Ion -
Ionia
Ios -
Iosco
Ir -
Iron
Is -
Isabella
Ja -
Jackson
Ken -
Kent
Kew -
Keweenaw
Kka -
Kalkaska
Kzo -
Kalamazoo
Lak -
Lake
Lap -
Lapeer
Lee -
Leelenau
Len -
Lenawee
Li -
Livingston
Lu -
Luce
Mar -
Marquette
Mas -
Mason
Mcb -
Macomb
Mcm -
Montcalm
Mcy -
Montmorency
Mec -
Mecosta
Men -
Menominee
Mid -
Midland
MIs -
Missaukee
Mnc -
Mackinac
Mro -
Monroe
Mte -
Manistee
Mu -
Muskegon
New -
Newaygo
Oa -
Oakland
Oc -
Oceana
Og -
Ogemaw
Ola -
Osceola
On -
Ontonagon
Osd -
Oscoda
Ots -
Otsego
Ott -
Ottawa
PI -
Presque Isle
Ros -
Roscommon
Sag -
Saginaw
San -
Sanilac
Sc -
Schoolcraft
SC -
St. Clair
Shi -
Shiawassee
SJ -
St. Joseph
Tu -
Tuscola
VB -
Van Buren
Was -
Washtenaw
Way -
Wayne
We -
Wexford