All counties in Kansas
| County Name | Population | State | Rank |
|---|
| Johnson County | 544,179 | Kansas | 1 |
| Sedgwick County | 498,365 | Kansas | 2 |
| Shawnee County | 177,934 | Kansas | 3 |
| Wyandotte County | 157,505 | Kansas | 4 |
| Douglas County | 110,826 | Kansas | 5 |
| Leavenworth County | 76,227 | Kansas | 6 |
| Riley County | 71,115 | Kansas | 7 |
| Butler County | 65,880 | Kansas | 8 |
| Reno County | 64,511 | Kansas | 9 |
| Saline County | 55,606 | Kansas | 10 |
| Crawford County | 39,134 | Kansas | 11 |
| Finney County | 36,776 | Kansas | 12 |
| Cowley County | 36,311 | Kansas | 13 |
| Montgomery County | 35,471 | Kansas | 14 |
| Harvey County | 34,684 | Kansas | 15 |
| Geary County | 34,362 | Kansas | 16 |
| Ford County | 33,848 | Kansas | 17 |
| Lyon County | 33,690 | Kansas | 18 |
| Miami County | 32,787 | Kansas | 19 |
| Mcpherson County | 29,180 | Kansas | 20 |
| Ellis County | 28,452 | Kansas | 21 |
| Barton County | 27,674 | Kansas | 22 |
| Franklin County | 25,992 | Kansas | 23 |
| Sumner County | 24,132 | Kansas | 24 |
| Seward County | 22,952 | Kansas | 25 |
| Labette County | 21,607 | Kansas | 26 |
| Pottawatomie County | 21,604 | Kansas | 27 |
| Cherokee County | 21,603 | Kansas | 28 |
| Dickinson County | 19,754 | Kansas | 29 |
| Jefferson County | 19,126 | Kansas | 30 |
| Atchison County | 16,924 | Kansas | 31 |
| Neosho County | 16,512 | Kansas | 32 |
| Osage County | 16,295 | Kansas | 33 |
| Bourbon County | 15,173 | Kansas | 34 |
| Jackson County | 13,462 | Kansas | 35 |
| Allen County | 13,371 | Kansas | 36 |
| Marion County | 12,660 | Kansas | 37 |
| Nemaha County | 10,178 | Kansas | 38 |
| Marshall County | 10,117 | Kansas | 39 |
| Rice County | 10,083 | Kansas | 40 |
| Brown County | 9,984 | Kansas | 41 |
| Linn County | 9,656 | Kansas | 42 |
| Pratt County | 9,656 | Kansas | 43 |
| Cloud County | 9,533 | Kansas | 44 |
| Wilson County | 9,409 | Kansas | 45 |
| Coffey County | 8,601 | Kansas | 46 |
| Clay County | 8,535 | Kansas | 47 |
| Anderson County | 8,102 | Kansas | 48 |
| Doniphan County | 7,945 | Kansas | 49 |
| Thomas County | 7,900 | Kansas | 50 |
| Kingman County | 7,858 | Kansas | 51 |
| Grant County | 7,829 | Kansas | 52 |
| Wabaunsee County | 7,053 | Kansas | 53 |
| Pawnee County | 6,973 | Kansas | 54 |
| Russell County | 6,970 | Kansas | 55 |
| Greenwood County | 6,689 | Kansas | 56 |
| Ellsworth County | 6,497 | Kansas | 57 |
| Mitchell County | 6,373 | Kansas | 58 |
| Ottawa County | 6,091 | Kansas | 59 |
| Harper County | 6,034 | Kansas | 60 |
| Sherman County | 6,010 | Kansas | 61 |
| Gray County | 6,006 | Kansas | 62 |
| Morris County | 5,923 | Kansas | 63 |
| Washington County | 5,799 | Kansas | 64 |
| Stevens County | 5,724 | Kansas | 65 |
| Norton County | 5,671 | Kansas | 66 |
| Phillips County | 5,642 | Kansas | 67 |
| Rooks County | 5,181 | Kansas | 68 |
| Republic County | 4,980 | Kansas | 69 |
| Scott County | 4,936 | Kansas | 70 |
| Barber County | 4,861 | Kansas | 71 |
| Meade County | 4,575 | Kansas | 72 |
| Stafford County | 4,437 | Kansas | 73 |
| Haskell County | 4,256 | Kansas | 74 |
| Kearny County | 3,977 | Kansas | 75 |
| Osborne County | 3,858 | Kansas | 76 |
| Smith County | 3,853 | Kansas | 77 |
| Chautauqua County | 3,669 | Kansas | 78 |
| Woodson County | 3,309 | Kansas | 79 |
| Rush County | 3,307 | Kansas | 80 |
| Lincoln County | 3,241 | Kansas | 81 |
| Morton County | 3,233 | Kansas | 82 |
| Ness County | 3,107 | Kansas | 83 |
| Jewell County | 3,077 | Kansas | 84 |
| Edwards County | 3,037 | Kansas | 85 |
| Trego County | 3,001 | Kansas | 86 |
| Decatur County | 2,961 | Kansas | 87 |
| Elk County | 2,882 | Kansas | 88 |
| Chase County | 2,790 | Kansas | 89 |
| Logan County | 2,756 | Kansas | 90 |
| Cheyenne County | 2,726 | Kansas | 91 |
| Gove County | 2,695 | Kansas | 92 |
| Hamilton County | 2,690 | Kansas | 93 |
| Graham County | 2,597 | Kansas | 94 |
| Sheridan County | 2,556 | Kansas | 95 |
| Kiowa County | 2,553 | Kansas | 96 |
| Rawlins County | 2,519 | Kansas | 97 |
| Stanton County | 2,235 | Kansas | 98 |
| Wichita County | 2,234 | Kansas | 99 |
| Clark County | 2,215 | Kansas | 100 |
| Hodgeman County | 1,916 | Kansas | 101 |
| Comanche County | 1,891 | Kansas | 102 |
| Lane County | 1,750 | Kansas | 103 |
| Wallace County | 1,485 | Kansas | 104 |
| Greeley County | 1,247 | Kansas | 105 |