County	Created	Parent	County Seat
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