1850 Counties of  Michigan

County Description Area in sq miles Courts held at Pop in 1850
Allegan south west side on Lake Michigan near Kalamazoo, Black & Rabbit rivers 700 Allegan 5,125
Barry in southwest part, drained by Thornapple river 576 Hastings 5,072
Berrien SW corner, Lake MI on west, water by St Joseph & Gallon rivers 576 Berrien Springs 11,471
Branch south boundary, drained by St Joseph river 528 Branch Court House 18,472
Calhoun southern part, drained by Kalamazoo & St Joseph's rivers 720 Marshall 13,162
Cass south boundary 528 Cassopolis 10,907
Cheboygan north part of peninsula, straits of Mackinaw on the north 300 Duncan not listed
Chippeway northern boundary 7200 Sault de St Marie 898
Clinton southern part, water by Grand Maple & Lookinglass rivers 576 De Witt 5,102
Eaton near central part 576 Eaton 7,058
Genesee eastern part, crossed by Flint river 504 Flint 11,632
Gladwin eastern part, crossed by Tittibawasee river blank blank blank
Gratiot central part 576 blank not listed
Hillsdale southern boundary 576 Hillsdale 16,159
Ingham southern part 560 Lansing 8,631
Ionia western part, crossed by Grand river 576 Ionia 7,597
Houghton north western part on Lake Superior not listed Eagle Harbor 708
Huron eastern boundary, Lake Michigan on east & Suganaw bay on north blank blank 210
Isabella central part, crossed by Chippewa river 579 blank not listed
Jackson southern part 720 Jackson 19,431
Kalamazoo southwest part 576 Kalamazoo 13,179
Kent western part, crossed by Grand river 576 Kent or Grand Rapids 12,016
Lapeer eastern part 828 Lapeer 7,029
Lenawee south boundary 735 Adrian 24,572
Livingston toward east part 576 Howell 13,485
Macomb east part on Lake St Clair 485 Mount Clemens 15,530
Manistee western boundary on Lake Michigan, crossed by Manistee river blank Manistee 65
Marquette northwest part of the northern peninsula on Lake Superior blank blank 136
Michilimacknac on the north peninsula, straits of Mackinaw on the south blank Mackinaw 3,598
Midland east part on Saginaw bay, crossed by Titibawassee river blank Midland 95
Monroe southeast corner on Lake Erie 540 Monroe 14,698
Montcalm toward western part blank Montcalm 891
Oakland eastern part 900 Pontiac 31,270
Oceana west boundary, w Lake Michigan on west blank blank 300
Ottawa western boundary, Lake Michigan on west, crossed by Gran river blank Grand Haven 5,587
Saginaw northeastern part, crossed by Shiawassee, Saginaw, Flint & Tittibawassee rivers blank Saginaw 2,609
St Clair on east boundary, Lake Huron & St Clair river on east, Lake St Clair on south 930 St Clair 10,420
St Joseph south boundary, crossed by St Joseph river 528 Centreville 12,705
Sanilac on east boundary, Lake Huron on east 730 Sanilac Mills 2,112
Shiawassee central part, crossed by Shiawassee river 544 Corunna 5,230
Van Buren on west boundary, Lake Michigan on west 633 Paw-Paw 5,800
Washtenaw in southern part 720 Ann Arbor 28,568
Wayne on southeasterly boundary, St Clair lake & St Clair river on east 600 Detroit 32,756

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