Kansas county geography overview
Kansas has 105 counties, which places it 6th among the 50 state and District of Columbia maps in this atlas when ordered by number of county-level units. Their combined 81,759.2 square miles of land place the state 13th by mapped land area.
The average county-level area is 779 square miles, while the median is 729.7 square miles. The median is often the better description of a typical unit because one or two very large areas can pull the average upward. The five largest units together account for about 8% of the state’s mapped land area.
Largest and smallest Kansas counties
Butler County is the largest county-level unit by land area at 1,429.7 square miles. It represents about 2% of all mapped land in Kansas. At the other end of the range, Wyandotte County has 151.6 square miles of land.
Largest by land area
- Butler County1,429.7 sq mi
- Finney County1,302 sq mi
- Reno County1,255.3 sq mi
- Sumner County1,181.7 sq mi
- Greenwood County1,143.3 sq mi
Smallest by land area
- Wyandotte County151.6 sq mi
- Geary County384.7 sq mi
- Doniphan County393.5 sq mi
- Atchison County431.2 sq mi
- Douglas County455.8 sq mi
Rankings use land area rather than total area. This avoids making coastal or lake counties appear larger solely because their boundaries include extensive water.
Alphabetical list of Kansas counties
The table is alphabetical, so it works as a name and FIPS-code reference rather than an area ranking. Every identifier begins with the Kansas state FIPS prefix 20. Land and water figures are rounded to one decimal place.
105 county-level areas
Download county data / numbered map key (CSV)| No. | Name | FIPS code | Land area | Water area |
|---|---|---|---|---|
| 1 | Allen County | 20001 | 500.3 sq mi | 5 sq mi |
| 2 | Anderson County | 20003 | 579.6 sq mi | 4.1 sq mi |
| 3 | Atchison County | 20005 | 431.2 sq mi | 2.6 sq mi |
| 4 | Barber County | 20007 | 1,134.1 sq mi | 2.1 sq mi |
| 5 | Barton County | 20009 | 895.3 sq mi | 5.4 sq mi |
| 6 | Bourbon County | 20011 | 635.5 sq mi | 3.6 sq mi |
| 7 | Brown County | 20013 | 570.9 sq mi | 1.2 sq mi |
| 8 | Butler County | 20015 | 1,429.7 sq mi | 16.8 sq mi |
| 9 | Chase County | 20017 | 773.1 sq mi | 4.7 sq mi |
| 10 | Chautauqua County | 20019 | 638.9 sq mi | 5.9 sq mi |
| 11 | Cherokee County | 20021 | 587.6 sq mi | 3.5 sq mi |
| 12 | Cheyenne County | 20023 | 1,019.9 sq mi | 1.1 sq mi |
| 13 | Clark County | 20025 | 974.6 sq mi | 2.5 sq mi |
| 14 | Clay County | 20027 | 645.3 sq mi | 10.3 sq mi |
| 15 | Cloud County | 20029 | 715.3 sq mi | 2.6 sq mi |
| 16 | Coffey County | 20031 | 626.9 sq mi | 27.2 sq mi |
| 17 | Comanche County | 20033 | 788.3 sq mi | 1.4 sq mi |
| 18 | Cowley County | 20035 | 1,125.7 sq mi | 6.7 sq mi |
| 19 | Crawford County | 20037 | 589.8 sq mi | 5.2 sq mi |
| 20 | Decatur County | 20039 | 893.5 sq mi | 0.6 sq mi |
| 21 | Dickinson County | 20041 | 847.1 sq mi | 4.9 sq mi |
| 22 | Doniphan County | 20043 | 393.5 sq mi | 4.8 sq mi |
| 23 | Douglas County | 20045 | 455.8 sq mi | 18.9 sq mi |
| 24 | Edwards County | 20047 | 621.9 sq mi | 0.1 sq mi |
| 25 | Elk County | 20049 | 644.3 sq mi | 6.2 sq mi |
| 26 | Ellis County | 20051 | 899.9 sq mi | 0.4 sq mi |
| 27 | Ellsworth County | 20053 | 715.6 sq mi | 7.7 sq mi |
| 28 | Finney County | 20055 | 1,302 sq mi | 0.7 sq mi |
| 29 | Ford County | 20057 | 1,098.3 sq mi | 0.8 sq mi |
| 30 | Franklin County | 20059 | 571.8 sq mi | 5.4 sq mi |
| 31 | Geary County | 20061 | 384.7 sq mi | 19.9 sq mi |
| 32 | Gove County | 20063 | 1,071.7 sq mi | 0.1 sq mi |
| 33 | Graham County | 20065 | 898.5 sq mi | 0.2 sq mi |
| 34 | Grant County | 20067 | 574.8 sq mi | 0.3 sq mi |
| 35 | Gray County | 20069 | 868.9 sq mi | 0.4 sq mi |
| 36 | Greeley County | 20071 | 778.4 sq mi | 0 sq mi |
| 37 | Greenwood County | 20073 | 1,143.3 sq mi | 9.3 sq mi |
| 38 | Hamilton County | 20075 | 996.5 sq mi | 1.1 sq mi |
| 39 | Harper County | 20077 | 801.3 sq mi | 1.5 sq mi |
| 40 | Harvey County | 20079 | 539.8 sq mi | 1 sq mi |
| 41 | Haskell County | 20081 | 577.5 sq mi | 0.4 sq mi |
| 42 | Hodgeman County | 20083 | 860 sq mi | 0.3 sq mi |
| 43 | Jackson County | 20085 | 656.2 sq mi | 1.8 sq mi |
| 44 | Jefferson County | 20087 | 532.6 sq mi | 24.1 sq mi |
| 45 | Jewell County | 20089 | 910 sq mi | 4.4 sq mi |
| 46 | Johnson County | 20091 | 473.6 sq mi | 6.3 sq mi |
| 47 | Kearny County | 20093 | 870.5 sq mi | 0.4 sq mi |
| 48 | Kingman County | 20095 | 863.4 sq mi | 3.2 sq mi |
| 49 | Kiowa County | 20097 | 722.6 sq mi | 0.2 sq mi |
| 50 | Labette County | 20099 | 645.4 sq mi | 7.7 sq mi |
| 51 | Lane County | 20101 | 717.4 sq mi | 0.2 sq mi |
| 52 | Leavenworth County | 20103 | 463.4 sq mi | 5.5 sq mi |
| 53 | Lincoln County | 20105 | 719.4 sq mi | 1.1 sq mi |
| 54 | Linn County | 20107 | 594.1 sq mi | 12.3 sq mi |
| 55 | Logan County | 20109 | 1,073 sq mi | 0.1 sq mi |
| 56 | Lyon County | 20111 | 847.5 sq mi | 7.9 sq mi |
| 57 | Marion County | 20115 | 944.3 sq mi | 9.4 sq mi |
| 58 | Marshall County | 20117 | 900.2 sq mi | 4.9 sq mi |
| 59 | McPherson County | 20113 | 898.3 sq mi | 2.3 sq mi |
| 60 | Meade County | 20119 | 978.1 sq mi | 1.3 sq mi |
| 61 | Miami County | 20121 | 575.9 sq mi | 14.4 sq mi |
| 62 | Mitchell County | 20123 | 701.8 sq mi | 17.4 sq mi |
| 63 | Montgomery County | 20125 | 643.6 sq mi | 7.9 sq mi |
| 64 | Morris County | 20127 | 695.3 sq mi | 7.5 sq mi |
| 65 | Morton County | 20129 | 729.7 sq mi | 0.2 sq mi |
| 66 | Nemaha County | 20131 | 717.4 sq mi | 2 sq mi |
| 67 | Neosho County | 20133 | 571.5 sq mi | 6.3 sq mi |
| 68 | Ness County | 20135 | 1,074.7 sq mi | 0.3 sq mi |
| 69 | Norton County | 20137 | 878 sq mi | 3.3 sq mi |
| 70 | Osage County | 20139 | 705.5 sq mi | 14.3 sq mi |
| 71 | Osborne County | 20141 | 892.5 sq mi | 1.9 sq mi |
| 72 | Ottawa County | 20143 | 720.7 sq mi | 0.6 sq mi |
| 73 | Pawnee County | 20145 | 754.3 sq mi | 0.4 sq mi |
| 74 | Phillips County | 20147 | 885.9 sq mi | 8.7 sq mi |
| 75 | Pottawatomie County | 20149 | 840.7 sq mi | 20.9 sq mi |
| 76 | Pratt County | 20151 | 735 sq mi | 0.7 sq mi |
| 77 | Rawlins County | 20153 | 1,069.4 sq mi | 0.2 sq mi |
| 78 | Reno County | 20155 | 1,255.3 sq mi | 16.8 sq mi |
| 79 | Republic County | 20157 | 717.4 sq mi | 3.1 sq mi |
| 80 | Rice County | 20159 | 726.2 sq mi | 1.7 sq mi |
| 81 | Riley County | 20161 | 609.7 sq mi | 12.4 sq mi |
| 82 | Rooks County | 20163 | 890.5 sq mi | 4.6 sq mi |
| 83 | Rush County | 20165 | 717.8 sq mi | 0.2 sq mi |
| 84 | Russell County | 20167 | 886.3 sq mi | 13.2 sq mi |
| 85 | Saline County | 20169 | 720.2 sq mi | 1.1 sq mi |
| 86 | Scott County | 20171 | 717.6 sq mi | 0.1 sq mi |
| 87 | Sedgwick County | 20173 | 997 sq mi | 12.1 sq mi |
| 88 | Seward County | 20175 | 639.7 sq mi | 0.8 sq mi |
| 89 | Shawnee County | 20177 | 544 sq mi | 11.7 sq mi |
| 90 | Sheridan County | 20179 | 896 sq mi | 0.2 sq mi |
| 91 | Sherman County | 20181 | 1,056.1 sq mi | 0.2 sq mi |
| 92 | Smith County | 20183 | 895.5 sq mi | 1.5 sq mi |
| 93 | Stafford County | 20185 | 792 sq mi | 2.9 sq mi |
| 94 | Stanton County | 20187 | 680.4 sq mi | 0.1 sq mi |
| 95 | Stevens County | 20189 | 727.4 sq mi | 0 sq mi |
| 96 | Sumner County | 20191 | 1,181.7 sq mi | 3.3 sq mi |
| 97 | Thomas County | 20193 | 1,074.7 sq mi | 0.1 sq mi |
| 98 | Trego County | 20195 | 889.5 sq mi | 10.1 sq mi |
| 99 | Wabaunsee County | 20197 | 794.3 sq mi | 5.3 sq mi |
| 100 | Wallace County | 20199 | 913.7 sq mi | 0.1 sq mi |
| 101 | Washington County | 20201 | 894.8 sq mi | 3.9 sq mi |
| 102 | Wichita County | 20203 | 718.6 sq mi | 0 sq mi |
| 103 | Wilson County | 20205 | 570.4 sq mi | 4.7 sq mi |
| 104 | Woodson County | 20207 | 497.8 sq mi | 7.4 sq mi |
| 105 | Wyandotte County | 20209 | 151.6 sq mi | 4.6 sq mi |
How to read and use this map
County lines are administrative boundaries, not postal routes. A mailing address can use a city name associated with a neighboring area, and ZIP codes can cross county lines. When you need to identify a county for an address, confirm it with an official geocoder or local government source.
For classroom or planning use, download a PDF from the controls above. Labelled exports use numbered callouts for crowded areas; numbered quiz maps match the alphabetical county list. SVG files keep the boundary lines sharp at larger paper sizes.
Frequently asked questions
How many counties are in Kansas?
Kansas has 105 counties in the U.S. Census Bureau’s 2025 cartographic boundary file.
Can I print this Kansas county map?
Yes. Choose Download / print and select PDF for a landscape Letter page, PNG for an image, or SVG for editable vector artwork. Because the map is SVG, its boundary lines stay sharp when scaled.
What is the largest county in Kansas?
Butler County is the largest by land area in this dataset at 1,429.7 square miles. This is an area ranking, not a population ranking.
What is the smallest county in Kansas?
Wyandotte County is the smallest by land area in this dataset at 151.6 square miles.
Are these legal survey boundaries?
No. This is a generalized reference map. Property, parcel, election, and legal boundary questions should be checked with the relevant state or local agency.
Map source
U.S. Census Bureau, 2025 Cartographic Boundary File, Counties, 1:5,000,000. Land and water area fields are supplied in the same file and converted from square meters to square miles. Accessed September 27, 2026.