1850 Counties of  Wisconsin

County Description Area in sq miles Courts held at Pop in 1850
Brown northeast part, intersected by Depere 1150 Green Bay 6,215
Calumet eastern part, east side of Lake Winnebago 300 Pequot 1,743
Chippewa northern part, on NW side of Mississippi river & crossed by Chippewa river blank not listed 615
Columbia towards the south, crossed by Wisconsin river blank De Korra 9,565
Crawford western boundary between Mississippi & Wisconsin rivers blank Prairie du Chien 2,498
Dane southern part, Wisconsin river on northwest side ad contains the "Four Lakes" 1234 Madison (also State Capital) 9,366
Dodge eastern part 756 not listed 3,892
Fond Du Lac eastern part, Lake Winnebago on the north 400 Fond Du Lac 2,024
Grant southwest corner, Mississippi river on southwest, Wisconsin river on northwest not listed Lancaster 9,107
Greene southern boundary 576 Monroe 6,179
Iowa south western part, Wisconsin river on north 1300 Mineral Point 5,672
Jefferson southeast part, crossed by Rock river 576 Jefferson 6,955
Kenozha southeast corner on Lake Michigan blank Kenozha 10,734
Lafayette south boundary blank blank 11,531
Manitoowoc east boundary on Lake Michigan 468 Manitoowoc 3,702
Marquette central part blank Marquette 8,642
Milwaukee eastern boundary on Lake Michigan, crossed by Milwaukee river blank Milwaukee 31,010
Portage in central part, crossed by Wisconsin river 800 Ft Winnebago 1,250
Racine east boundary, Lake Michigan on east 610 Racine 10,833
Richland western part, Wisconsin river on south blank Richmond 903
Rock on south boundary, crossed by Rock river blank Janesville 20,708
St Croix in north western part, Mississippi river on southwest, St Croix river & lake on west blank St Croix 624
Sauk central part, Wisconsin river on south, also crosses it in northeast blank Adams 4,371
Sheboygan on east boundary, Lake Michigan on west 500 Sheboygan 8.378
Walworth on south boundary, Geneva lake at the south 675 Elkhorn 17,862
Washington on east boundary, Lake Michigan on east blank Ozaukee 19,485
Waukesha in southeast part blank Waukesha 19,248
Winnebago toward east part, Winnebago lake on east, other bodies of water in interior 500 Oshkosh 10,167