1850 Counties of  Iowa

County Description Area in sq miles Courts held at Pop in 1850
Allomakee northeast corner, crossed by Iowa river blank Lansing 777
Appanoose on south side blank Centreville 3,131
Benton on eastern side, crossed by Cedar river 660 Vinton 672
Black Hawk NE part, crossed by Cedar & Black Hawk rivers 625 main town Cedar Falls 135
Boone central part, crossed by Des Moines river 600 Booneville 735
Buchanan eastern part, blank Independence 517
Cedar eastern part, crossed by Cedar river blank Tipton 3,941
Clarke southwest part blank blank 79
Clayton northeast boundary, west side of Mississippi river 720 Gottenburgh 4,053
Clinton eastern boundary, west side of Mississippi river, Wabesipinnica river on the south 1012 Camanche 2,922
Dallas western part blank Adell 854
Davis southern boundary, intersected by Des Moines river at northeast corner blank Bloomfield 7,264
Decatur southern boundary blank blank 965
Delaware eastern part 576 Delhi 1,759
Des Moines southeast part, Mississippi river on east & Chickahoma river on southwest 410 Burlington 12,987
Du Buque northeastern part, Mississippi river on northeast blank Du Buque 10,841
Fayette north eastern part blank West Union 825
Fremont southwest corner, Missouri river on west blank Dawsonburgh 1,244
Henry south eastern part, crossed by Chicagua river 432 Mount Pleasant 8,707
Iowa no description blank blank 822
Jackson north eastern boundary on Mississippi river 628 Bellevue 7,210
Jasper central part blank Newton 1,280
Jefferson southeast part 380 Fairfield 8,890
Johnson eastern part, crossed by Iowa river 610 Iowa City (Capital) 4,472
Jones eastern part, crossed by Wapsipinecon river 576 Anamosa 3,007
Keokuk southeast part blank Lancaster 4,822