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