Want to know about the largest to smallest counties in Kansas, USA in terms of total land area? Check this resource Kansas counties by land area to discover all the details regarding county map (boundary), and nearby counties.
On the other hand, check Kansas counties by population and Kansas cities by population to know more about city and county based demographic details.
What is the largest county in Kansas by land area?
Butler County is the largest county in Kansas spanning 1429.72 square miles, with an additional 16.81 square miles of water area. Following Butler County, Finney County ranks as the second largest in terms of land area, covering 1302 square miles, while Reno County secures the position as the third largest county in Kansas.
What is the smallest county by land area in Kansas?
Wyandotte County is the smallest in Kansas by total land area, covers about 151.64 square miles.
What is the largest county by population in Kansas?
Johnson County in Kansas, USA, stands as the most populous county having 609,863 residents as per the 2022 census data.
What is the smallest county by population in Kansas?
Greeley County is the smallest in Kansas by total population, having 1,284 residents as per the 2022 census data.
Kansas Counties by Size
Rank
| County
in Kansas | Land Area
square miles | Water Area
square miles | Total Area
square miles |
|---|
| 1 | Butler County | 1,430 | 17 | 1,447 |
| 2 | Finney County | 1,302 | 1 | 1,303 |
| 3 | Reno County | 1,255 | 17 | 1,272 |
| 4 | Sumner County | 1,182 | 3 | 1,185 |
| 5 | Greenwood County | 1,143 | 9 | 1,153 |
| 6 | Barber County | 1,134 | 2 | 1,136 |
| 7 | Cowley County | 1,126 | 7 | 1,132 |
| 8 | Ford County | 1,098 | 1 | 1,099 |
| 9 | Ness County | 1,075 | 0 | 1,075 |
| 10 | Thomas County | 1,075 | 0 | 1,075 |
| 11 | Logan County | 1,073 | 0 | 1,073 |
| 12 | Gove County | 1,072 | 0 | 1,072 |
| 13 | Rawlins County | 1,069 | 0 | 1,070 |
| 14 | Sherman County | 1,056 | 0 | 1,056 |
| 15 | Cheyenne County | 1,020 | 1 | 1,021 |
| 16 | Sedgwick County | 997 | 12 | 1,009 |
| 17 | Hamilton County | 997 | 1 | 998 |
| 18 | Meade County | 978 | 1 | 979 |
| 19 | Clark County | 975 | 3 | 977 |
| 20 | Marion County | 944 | 9 | 954 |
| 21 | Wallace County | 914 | 0 | 914 |
| 22 | Jewell County | 910 | 4 | 914 |
| 23 | Marshall County | 900 | 5 | 905 |
| 24 | Ellis County | 900 | 0 | 900 |
| 25 | Graham County | 899 | 0 | 899 |
| 26 | McPherson County | 898 | 2 | 901 |
| 27 | Sheridan County | 896 | 0 | 896 |
| 28 | Smith County | 895 | 2 | 897 |
| 29 | Barton County | 895 | 5 | 901 |
| 30 | Washington County | 895 | 4 | 899 |
| 31 | Decatur County | 894 | 1 | 894 |
| 32 | Osborne County | 893 | 2 | 894 |
| 33 | Rooks County | 891 | 5 | 895 |
| 34 | Trego County | 889 | 10 | 900 |
| 35 | Russell County | 886 | 13 | 899 |
| 36 | Phillips County | 886 | 9 | 895 |
| 37 | Norton County | 878 | 3 | 881 |
| 38 | Kearny County | 871 | 0 | 871 |
| 39 | Gray County | 869 | 0 | 869 |
| 40 | Kingman County | 863 | 3 | 867 |
| 41 | Hodgeman County | 860 | 0 | 860 |
| 42 | Lyon County | 847 | 8 | 855 |
| 43 | Dickinson County | 847 | 5 | 852 |
| 44 | Pottawatomie County | 841 | 21 | 862 |
| 45 | Harper County | 801 | 2 | 803 |
| 46 | Wabaunsee County | 794 | 5 | 800 |
| 47 | Stafford County | 792 | 3 | 795 |
| 48 | Comanche County | 788 | 1 | 790 |
| 49 | Greeley County | 778 | 0 | 778 |
| 50 | Chase County | 773 | 5 | 778 |
| 51 | Pawnee County | 754 | 0 | 755 |
| 52 | Pratt County | 735 | 1 | 736 |
| 53 | Morton County | 730 | 0 | 730 |
| 54 | Stevens County | 727 | 0 | 727 |
| 55 | Rice County | 726 | 2 | 728 |
| 56 | Kiowa County | 723 | 0 | 723 |
| 57 | Ottawa County | 721 | 1 | 721 |
| 58 | Saline County | 720 | 1 | 721 |
| 59 | Lincoln County | 719 | 1 | 720 |
| 60 | Wichita County | 719 | 0 | 719 |
| 61 | Rush County | 718 | 0 | 718 |
| 62 | Scott County | 718 | 0 | 718 |
| 63 | Nemaha County | 717 | 2 | 719 |
| 64 | Lane County | 717 | 0 | 718 |
| 65 | Republic County | 717 | 3 | 720 |
| 66 | Ellsworth County | 716 | 8 | 723 |
| 67 | Cloud County | 715 | 3 | 718 |
| 68 | Osage County | 706 | 14 | 720 |
| 69 | Mitchell County | 702 | 17 | 719 |
| 70 | Morris County | 695 | 8 | 703 |
| 71 | Stanton County | 680 | 0 | 680 |
| 72 | Jackson County | 656 | 2 | 658 |
| 73 | Labette County | 645 | 8 | 653 |
| 74 | Clay County | 645 | 10 | 656 |
| 75 | Elk County | 644 | 6 | 650 |
| 76 | Montgomery County | 644 | 8 | 651 |
| 77 | Seward County | 640 | 1 | 640 |
| 78 | Chautauqua County | 639 | 6 | 645 |
| 79 | Bourbon County | 635 | 4 | 639 |
| 80 | Coffey County | 627 | 27 | 654 |
| 81 | Edwards County | 622 | 0 | 622 |
| 82 | Riley County | 610 | 12 | 622 |
| 83 | Linn County | 594 | 12 | 606 |
| 84 | Crawford County | 590 | 5 | 595 |
| 85 | Cherokee County | 588 | 3 | 591 |
| 86 | Anderson County | 580 | 4 | 584 |
| 87 | Haskell County | 578 | 0 | 578 |
| 88 | Miami County | 576 | 14 | 590 |
| 89 | Grant County | 575 | 0 | 575 |
| 90 | Franklin County | 572 | 5 | 577 |
| 91 | Neosho County | 571 | 6 | 578 |
| 92 | Brown County | 571 | 1 | 572 |
| 93 | Wilson County | 570 | 5 | 575 |
| 94 | Shawnee County | 544 | 12 | 556 |
| 95 | Harvey County | 540 | 1 | 541 |
| 96 | Jefferson County | 533 | 24 | 557 |
| 97 | Allen County | 500 | 5 | 505 |
| 98 | Woodson County | 498 | 7 | 505 |
| 99 | Johnson County | 474 | 6 | 480 |
| 100 | Leavenworth County | 463 | 6 | 469 |
| 101 | Douglas County | 456 | 19 | 475 |
| 102 | Atchison County | 431 | 3 | 434 |
| 103 | Doniphan County | 393 | 5 | 398 |
| 104 | Geary County | 385 | 20 | 405 |
| 105 | Wyandotte County | 152 | 5 | 156 |
