| Population |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Allen
| AL
| 1855
| 15,654
| 14,385
|
| Iola |
| Anderson
| AN
| 1855
| 8,749
| 8,110
|
| Garnett |
| Atchison
| AT
| 1855
| 18,397
| 16,774
|
| Atchison |
|
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Barber
| BA
| 1873
| 6,548
| 5,307
|
| Medicine Lodge |
| Barton
| BT
| 1872
| 31,343
| 28,205
|
| Great Bend |
| Bourbon
| BB
| 1855
| 15,659
| 15,379
|
| Fort Scott |
| Brown
| BR
| 1855
| 11,955
| 10,724
|
| Hiawatha |
| Butler
| BU
| 1855
| 44,782
| 59,482
|
| El Dorado |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Chase
| CS
| 1859
| 3,309
| 3,030
|
| Cottonwood Falls |
| Chautauqua
| CQ
| 1875
| 5,016
| 4,359
|
| Sedan |
| Cherokee
| CK
| 1866
| 22,304
| 22,605
|
| Columbus |
| Cheyenne
| CN
| 1886
| 3,678
| 3,165
|
| St. Francis |
| Clark
| CA
| 1885
| 2,599
| 2,390
|
| Ashland |
| Clay
| CY
| 1866
| 9,802
| 8,822
|
| Clay Center |
| Cloud
| CD
| 1866
| 12,494
| 10,268
|
| Concordia |
| Coffey
| CF
| 1859
| 9,370
| 8,865
|
| Burlington |
| Comanche
| CM
| 1885
| 2,554
| 1,967
|
| Coldwater |
| Cowley
| CL
| 1870
| 36,824
| 36,291
|
| Winfield |
| Crawford
| CR
| 1867
| 37,916
| 38,242
|
| Girard |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Decatur
| DC
| 1880
| 4,509
| 3,472
|
| Oberlin |
| Dickinson
| DK
| 1857
| 20,175
| 19,344
|
| Abilene |
| Doniphan
| DP
| 1855
| 9,268
| 8,249
|
| Troy |
| Douglas
| DG
| 1855
| 67,640
| 99,620
|
| Lawrence |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Edwards
| ED
| 1874
| 4,271
| 3,449
|
| Kinsley |
| Elk
| EK
| 1875
| 3,918
| 3,261
|
| Howard |
| Ellis
| EL
| 1867
| 26,098
| 27,507
|
| Hays |
| Ellsworth
| EW
| 1867
| 6,640
| 6,525
|
| Ellsworth |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Finney
| FI
| 1884
| 23,825
| 40,523
|
| Garden City |
| Ford
| FO
| 1873
| 24,315
| 32,458
|
| Dodge City |
| Franklin
| FR
| 1857
| 21,813
| 24,784
|
| Ottawa |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Geary
| GE
| 1855
| 29,852
| 27,947
|
| Junction City |
| Gove
| GO
| 1886
| 3,726
| 3,068
|
| Gove |
| Graham
| GH
| 1880
| 3,995
| 2,946
|
| Hill City |
| Grant
| GT
| 1888
| 6,977
| 7,909
|
| Ulysses |
| Gray
| GY
| 1887
| 5,138
| 5,904
|
| Cimarron |
| Greeley
| GL
| 1888
| 1,845
| 1,534
|
| Tribune |
| Greenwood
| GW
| 1862
| 8,764
| 7,673
|
| Eureka |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Hamilton
| HM
| 1886
| 2,514
| 2,670
|
| Syracuse |
| Harper
| HP
| 1873
| 7,778
| 6,536
|
| Anthony |
| Harvey
| HV
| 1872
| 30,531
| 32,869
|
| Newton |
| Haskell
| HS
| 1887
| 3,814
| 4,307
|
| Sublette |
| Hodgeman
| HG
| 1879
| 2,269
| 2,085
|
| Jetmore |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Jackson
| JA
| 1857
| 11,644
| 12,657
|
| Holton |
| Jefferson
| JF
| 1855
| 15,207
| 18,426
|
| Oskaloosa |
| Jewell
| JW
| 1870
| 5,241
| 3,791
|
| Mankato |
| Johnson
| JO
| 1855
| 335,034
| 451,086
|
| Olathe |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Kearny
| KE
| 1888
| 4,345
| 4,531
|
| Lakin |
| Kingman
| KM
| 1873
| 8,980
| 8,673
|
| Kingman |
| Kiowa
| KW
| 1886
| 4,046
| 3,278
|
| Greensburg |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Labette
| LB
| 1867
| 25,682
| 22,835
|
| Oswego |
| Lane
| LE
| 1886
| 2,472
| 2,155
|
| Dighton |
| Leavenworth
| LV
| 1855
| 54,809
| 68,691
|
| Leavenworth |
| Lincoln
| LC
| 1870
| 4,145
| 3,578
|
| Lincoln |
| Linn
| LN
| 1855
| 8,234
| 9,570
|
| Mound City |
| Logan
| LG
| 1888
| 3,478
| 3,046
|
| Oakley |
| Lyon
| LY
| 1858
| 35,108
| 35,935
|
| Emporia |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Marion
| MN
| 1865
| 13,522
| 13,361
|
| Marion |
| Marshall
| MS
| 1855
| 12,720
| 10,965
|
| Marysville |
| McPherson
| MP
| 1870
| 26,855
| 29,554
|
| McPherson |
| Meade
| ME
| 1885
| 4,788
| 4,631
|
| Meade |
| Miami
| MI
| 1856
| 21,618
| 28,351
|
| Paola |
| Mitchell
| MC
| 1870
| 8,117
| 6,932
|
| Beloit |
| Montgomery
| MG
| 1869
| 42,281
| 36,252
|
| Independence |
| Morris
| MR
| 1858
| 6,419
| 6,104
|
| Council Grove |
| Morton
| MT
| 1886
| 3,454
| 3,496
|
| Elkhart |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Nemaha
| NM
| 1855
| 11,211
| 10,717
|
| Seneca |
| Neosho
| NO
| 1864
| 18,967
| 16,997
|
| Erie |
| Ness
| NS
| 1880
| 4,498
| 3,454
|
| Ness City |
| Norton
| NT
| 1872
| 6,689
| 5,953
|
| Norton |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Osage
| OS
| 1859
| 15,319
| 16,712
|
| Lyndon |
| Osborne
| OB
| 1871
| 5,959
| 4,452
|
| Osborne |
| Ottawa
| OT
| 1866
| 5,971
| 6,163
|
| Minneapolis |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Pawnee
| PN
| 1872
| 8,065
| 7,233
|
| Larned |
| Phillips
| PL
| 1872
| 7,406
| 6,001
|
| Phillipsburg |
| Pottawatomie
| PT
| 1856
| 14,782
| 18,209
|
| Westmoreland |
| Pratt
| PR
| 1879
| 10,275
| 9,647
|
| Pratt |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Rawlins
| RA
| 1881
| 4,105
| 2,966
|
| Atwood |
| Reno
| RN
| 1872
| 64,983
| 64,790
|
| Hutchinson |
| Republic
| RP
| 1868
| 7,569
| 5,835
|
| Belleville |
| Rice
| RC
| 1871
| 11,900
| 10,761
|
| Lyons |
| Riley
| RL
| 1855
| 63,505
| 62,843
|
| Manhattan |
| Rooks
| RO
| 1872
| 7,006
| 5,685
|
| Stockton |
| Rush
| RH
| 1874
| 4,516
| 3,551
|
| LaCrosse |
| Russell
| RS
| 1872
| 7,835
| 7,370
|
| Russell |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Saline
| SA
| 1859
| 48,905
| 53,597
|
| Salina |
| Scott
| SC
| 1886
| 5,782
| 5,120
|
| Scott City |
| Sedgwick
| SG
| 1870
| 367,088
| 452,869
|
| Wichita |
| Seward
| SW
| 1886
| 17,071
| 22,510
|
| Liberal |
| Shawnee
| SN
| 1855
| 154,918
| 169,871
|
| Topeka |
| Sheridan
| SD
| 1880
| 3,544
| 2,813
|
| Hoxie |
| Sherman
| SH
| 1886
| 7,759
| 6,760
|
| Goodland |
| Smith
| SM
| 1872
| 5,947
| 4,536
|
| Smith Center |
| Stafford
| SF
| 1879
| 5,539
| 4,789
|
| St. John |
| Stanton
| ST
| 1887
| 2,339
| 2,406
|
| Johnson City |
| Stevens
| SV
| 1886
| 4,736
| 5,463
|
| Hugoton |
| Sumner
| SU
| 1871
| 24,928
| 25,946
|
| Wellington |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Thomas
| TH
| 1885
| 8,451
| 8,180
|
| Colby |
| Trego
| TR
| 1879
| 4,165
| 3,319
|
| WaKeeney |
| Top |
| |
| County Name
| Code
| Founded
| 1980
| 2000
|
| County Seat |
| |
| Wabaunsee
| WB
| 1859
| 6,867
| 6,885
|
| Alma |
| Wallace
| WA
| 1888
| 2,045
| 1,749
|
| Sharon Springs |
| Washington
| WS
| 1860
| 8,543
| 6,483
|
| Washington |
| Wichita
| WH
| 1886
| 3,041
| 2,531
|
| Leoti |
| Wilson
| WL
| 1865
| 12,128
| 10,332
|
| Fredonia |
| Woodson
| WO
| 1855
| 4,600
| 3,788
|
| Yates Center |
| Wyandotte
| WY
| 1859
| 172,335
| 157,882
|
| Kansas City |

|