The list is the FIPS codes of Kansas counties. All the FIPS codes are starting with 20.
| County | FIPS Code |
| Allen | 20001 |
| Anderson | 20003 |
| Atchison | 20005 |
| Barber | 20007 |
| Barton | 20009 |
| Bourbon | 20011 |
| Brown | 20013 |
| Butler | 20015 |
| Chase | 20017 |
| Chautauqua | 20019 |
| Cherokee | 20021 |
| Cheyenne | 20023 |
| Clark | 20025 |
| Clay | 20027 |
| Cloud | 20029 |
| Coffey | 20031 |
| Comanche | 20033 |
| Cowley | 20035 |
| Crawford | 20037 |
| Decatur | 20039 |
| Dickinson | 20041 |
| Doniphan | 20043 |
| Douglas | 20045 |
| Edwards | 20047 |
| Elk | 20049 |
| Ellis | 20051 |
| Ellsworth | 20053 |
| Finney | 20055 |
| Ford | 20057 |
| Franklin | 20059 |
| Geary | 20061 |
| Gove | 20063 |
| Graham | 20065 |
| Grant | 20067 |
| Gray | 20069 |
| Greeley | 20071 |
| Greenwood | 20073 |
| Hamilton | 20075 |
| Harper | 20077 |
| Harvey | 20079 |
| Haskell | 20081 |
| Hodgeman | 20083 |
| Jackson | 20085 |
| Jefferson | 20087 |
| Jewell | 20089 |
| Johnson | 20091 |
| Kearny | 20093 |
| Kingman | 20095 |
| Kiowa | 20097 |
| Labette | 20099 |
| Lane | 20101 |
| Leavenworth | 20103 |
| Lincoln | 20105 |
| Linn | 20107 |
| Logan | 20109 |
| Lyon | 20111 |
| Marion | 20115 |
| Marshall | 20117 |
| McPherson | 20113 |
| Meade | 20119 |
| Miami | 20121 |
| Mitchell | 20123 |
| Montgomery | 20125 |
| Morris | 20127 |
| Morton | 20129 |
| Nemaha | 20131 |
| Neosho | 20133 |
| Ness | 20135 |
| Norton | 20137 |
| Osage | 20139 |
| Osborne | 20141 |
| Ottawa | 20143 |
| Pawnee | 20145 |
| Phillips | 20147 |
| Pottawatomie | 20149 |
| Pratt | 20151 |
| Rawlins | 20153 |
| Reno | 20155 |
| Republic | 20157 |
| Rice | 20159 |
| Riley | 20161 |
| Rooks | 20163 |
| Rush | 20165 |
| Russell | 20167 |
| Saline | 20169 |
| Scott | 20171 |
| Sedgwick | 20173 |
| Seward | 20175 |
| Shawnee | 20177 |
| Sheridan | 20179 |
| Sherman | 20181 |
| Smith | 20183 |
| Stafford | 20185 |
| Stanton | 20187 |
| Stevens | 20189 |
| Sumner | 20191 |
| Thomas | 20193 |
| Trego | 20195 |
| Wabaunsee | 20197 |
| Wallace | 20199 |
| Washington | 20201 |
| Wichita | 20203 |
| Wilson | 20205 |
| Woodson | 20207 |
| Wyandotte | 20209 |
All codes are cited from United States Department of Agriculture [28].