| County | Created | Parent | County Seat |
Allen County, Kansas
| 1855
| Original county
| Iola, Allen County, Kansas
|
Anderson County, Kansas
| 1855
| Original county
| Garnett, Anderson County, Kansas
|
Atchison County, Kansas
| 1855
| Original county
| Atchison, Atchison County, Kansas
|
Barber County, Kansas
| 1867
| Harper, County
| Medicine Lodge, Barber County, Kansas
|
Barton County, Kansas
| 1867
| Ellsworth County
| Great Bend, Barton County, Kansas
|
Bourbon County Kansas
| 1855
| Original county
| Fort Scott, Bourbon County, Kansas
|
Brown County Kansas
| 1855
| Original county
| Hiawatha, Brown County, Kansas
|
Butler County, Kansas
| 1855
| Original county
| El Dorado, Butler County, Kansas
|
Chase County, Kansas
| 1859
| Butler
| Cottonwood Falls, Chase County, Kansas
|
Chautauqua County, Kansas
| 1875
| Howard
| Sedan, Chautauqua County, Kansas
|
Cherokee County, Kansas
| 1855
| Unorg. Terr.
| Columbus, Cherokee County, Kansas
|
Cheyenne County, Kansas
| 1875
| Kirwin Land District
| Saint Francis, Cheyenne County, Kansas
|
Clark County Kansas
| 1885
| Ford
| Ashland, Clark County, Kansas
|
Clay County Kansas
| 1857
| Original county
| Clay, Clay County Kansas
|
Cloud County, Kansas
| 1860
| Formerly Shirley county
| Concordia, Cloud County, Kansas
|
Coffey County, Kansas
| 1855
| Original county
| Burlington, Coffey County, Kansas
|
Comanche County, Kansas
| 1867
| Kiowa
| Coldwater, Comanche County, Kansas
|
Cowley County, Kansas
| 1867
| Formerly Hunter county
| Winfield, Cowley County, Kansas
|
Crawford County, Kansas
| 1867
| Bourbon
| Girard, Crawford County, Kansas
|
Decatur County, Kansas
| 1875
| Norton
| Oberlin, Decatur County, Kansas
|
Dickinson County, Kansas
| 1855
| Original county
| Abilene, Dickinson County, Kansas
|
Doniphan County, Kansas
| 1855
| Original county
| Troy, Doniphan County, Kansas
|
Douglas County, Kansas
| 1855
| Original county
| Lawrence, Douglas County, Kansas
|
Edwards County, Kansas
| 1874
| Kiowa
| Kinsley, Edwards County, Kansas
|
Elk County, Kansas
| 1875
| Howard
| Howard, Elk County, Kansas
|
Ellis County, Kansas
| 1867
| Unorg. Terr.
| Hays, Ellis County, Kansas
|
Ellsworth County, Kansas
| 1867
| Saline
| Ellsworth, Ellsworth County, Kansas
|
Finney County, Kansas
| 1883
| Arapahoe, Foote, Sequoyah
| Garden City, Finney County, Kansas
|
Ford County, Kansas
| 1873
| Unorig. Terr.
| Dodge City, Ford County, Kansas
|
Franklin County, Kansas
| 1855
| Original county
| Ottawa, Franklin County, Kansas
|
Geary County, Kansas
| 1855
| Davis county 1875-1888, Riley
| Junction City, Geary County, Kansas
|
Gove County, Kansas
| 1868
| Unorg. Terr.
| Gove, Gove County, Kansas
|
Graham County, Kansas
| 1867
| Rooks
| Hill City, Graham County, Kansas
|
Grant County, Kansas
| 1873
| Finney, Kearney
| Ulysses, Grant County, Kansas
|
Gray County, Kansas
| 1887
| Finney, Ford
| Cimarron, Gray County, Kansas
|
Greeley County, Kansas
| 1873
| Hamilton
| Tribune, Greeley County, Kansas
|
Greenwood County, Kansas
| 1855
| Original county
| Eureka, Greenwood County, Kansas
|
Hamilton County, Kansas
| 1873
| Unorg. Terr.
| Syracuse, Hamilton County, Kansas
|
Harper County, Kansas
| 1867
| Kingman
| Anthony, Harper County, Kansas
|
Harvey County, Kansas
| 1872
| McPherson, Sedgwick, Marion
| Newton, Harvey County, Kansas
|
Haskell County, Kansas
| 1887
| Finney
| Sublette, Haskell County, Kansas
|
Hodgeman County, Kansas
| 1879
| Indian Lands (est. 1868)
| Jetmore, Hodgeman County, Kansas
|
Jackson County, Kansas
| 1855
| See Calhoun
| Holton, Jackson County, Kansas
|
Jefferson County, Kansas
| 1855
| Original county
| Oskaloosa, Jefferson County, Kansas
|
Jewell County, Kansas
| 1867
| Mitchell
| Mankato, Jewell County, Kansas
|
Johnson County, Kansas
| 1855
| Original county
| Olathe, Johnson County, Kansas
|
Kearny County, Kansas
| 1873
| Finney
| Lakin County, Kansas
|
Kingman County, Kansas
| 1886
| Unorig. Terr.
| Kingman, Kingman County, Kansas
|
Kiowa County, Kansas
| 1886
| Comanche, Edwards
| Greensburg, Kiowa County, Kansas
|
Labette County, Kansas
| 1867
| Neosho
| Oswego, Labette County, Kansas
|
Lane County, Kansas
| 1877
| Finney
| Dighton, Lane County, Kansas
|
Leavenworth County, Kansas
| 1855
| Original county
| Leavenworth, Leavenworth County, Kansas
|
Lincoln County, Kansas
| 1867
| Ellsworth, Lincoln County, Kansas
| Lincoln Lincoln County, Kansas
|
Linn County, Kansas
| 1855
| Original county
| Mound City Linn County, Kansas
|
Logan County, Kansas
| 1881
| Wallace (chg. from St. John 1887)
| Oakley Logan County, Kansas
|
Lyon County, Kansas
| 1857
| Madison (see Breckenridge)
| Emporia Lyon County, Kansas
|
Marion County, Kansas
| 1855
| Chase
| Marion Marion County, Kansas
|
Marshall County, Kansas
| 1855
| Original county
| Marysville Marshall County, Kansas
|
McPherson County, Kansas
| 1867
| Unorg. Terr.
| McPherson McPherson County, Kansas
|
Meade County, Kansas
| 1885
| Unorg. Terr.
| Meade Meade County, Kansas
|
Miami County, Kansas
| 1855
| Formerly Lykins county
| Paola Miami County, Kansas
|
Mitchell County, Kansas
| 1867
| Kirwin Land Dist.
| Beloit Mitchell County, Kansas
|
Montgomery County, Kansas
| 1867
| Labette
| Independence Montgomery County, Kansas
|
Morris County, Kansas
| 1855
| Madison (formerly Wise)
| Council Grove Morris County, Kansas
|
Morton County, Kansas
| 1881
| Stanton
| Elkhart Morton County, Kansas
|
Nemaha County, Kansas
| 1855
| Original county
| Seneca Nemaha County, Kansas
|
Neosho County, Kansas
| 1855
| Original county
| Erie Neosho County, Kansas
|
Ness County, Kansas
| 1867
| Hodgeman
| Ness City Ness County, Kansas
|
Norton County, Kansas
| 1867
| Unorg. Terr. (chg. to Billings 1873, back to Norton 1874)
| Norton Norton County, Kansas
|
Osage County, Kansas
| 1855
| Formerly Weller county
| Lyndon Osage County, Kansas
|
Osborne County, Kansas
| 1867
| Mitchell
| Osborne Osborne County, Kansas
|
Ottawa County, Kansas
| 1860
| Saline
| Minneapolis Ottawa County, Kansas
|
Pawnee County, Kansas
| 1867
| Rush, Stafford
| Larned Pawnee County, Kansas
|
Phillips County, Kansas
| 1867
| Kirwin Land Dist.
| Phillipsburg Phillips County, Kansas
|
Pottawatomie County, Kansas
| 1857
| Riley, Calhoun
| Westmoreland Pottawatomie County, Kansas
|
Pratt County, Kansas
| 1867
| Stafford
| Pratt Pratt County, Kansas
|
Rawlins County, Kansas
| 1873
| Kirwin Land Dist.
| Atwood Rawlins County, Kansas
|
Reno County, Kansas
| 1867
| Sedgwick, McPherson
| Hutchinson Reno County, Kansas
|
Republic County, Kansas
| 1860
| Washington, Cloud
| Belleville Republic County, Kansas
|
Rice County, Kansas
| 1867
| Reno
| Lyons Rice County, Kansas
|
Riley County, Kansas
| 1855
| Unorg. Terr., Wabaunsee
| Manhattan Riley County, Kansas
|
Rooks County, Kansas
| 1867
| Kirwin Land Dist.
| Stockton Rooks County, Kansas
|
Rush County, Kansas
| 1867
| Unorg. Terr.
| LaCrosse Rush County, Kansas
|
Russell County, Kansas
| 1867
| Ellsworth
| Russell Russell County, Kansas
|
Saline County, Kansas
| 1860
| Original county
| Salina Saline County, Kansas
|
Scott County, Kansas
| 1873
| Finney
| Scott City Scott County, Kansas
|
Sedgwick County, Kansas
| 1867
| Butler
| Wichita Sedgwick County, Kansas
|
Seward County, Kansas
| 1855
| Indian Lands Seward County, Kansas
| Liberal Seward County, Kansas
|
Shawnee County, Kansas
| 1855
| Original county
| Topeka Shawnee County, Kansas
|
Sheridan County, Kansas
| 1873
| Unorg. Terr.
| Hoxie Sheridan County, Kansas
|
Sherman County, Kansas
| 1873
| Kirwin Land Dist.
| Goodland Sherman County, Kansas
|
Smith County, Kansas
| 1867
| Unorg. Terr.
| Smith Center Smith County, Kansas
|
Stafford County, Kansas
| 1867
| Unorg. Terr.
| Saint John Stafford County, Kansas
|
Stanton County, Kansas
| 1873
| Reorganized
| Johnson Stanton County, Kansas
|
Stevens County, Kansas
| 1873
| Indian Lands
| Hugoton Stevens County, Kansas
|
Sumner County, Kansas
| 1867
| Cowley
| Wellington Sumner County, Kansas
|
Thomas County, Kansas
| 1873
| Kirwin Land Dist.
| Colby Thomas County, Kansas
|
Trego County, Kansas
| 1867
| Ellis
| Wakeeney Trego County, Kansas
|
Wabaunsee County, Kansas
| 1855
| Riley, Morris (Formerly Richardson)
| Alma Wabaunsee County, Kansas
|
Wallace County, Kansas
| 1868
| Indian Lands (see Logan)
| Sharon Springs Wallace County, Kansas
|
Washington County, Kansas
| 1855
| Original county
| Washington Washington County, Kansas
|
Wichita County, Kansas
| 1873
| Indian Lands Wichita County, Kansas
| Leoti Wichita County, Kansas
|
Wilson County, Kansas
| 1855
| Original county
| Fredonia Wilson County, Kansas
|
Woodson County, Kansas
| 1855
| Original county
| Yates Center Woodson County, Kansas
|
Wyandotte County, Kansas
| 1859
| Original county
| Kansas City Wyandotte County, Kansas
|