The list is the FIPS codes of South Dakota counties. All the FIPS codes are starting with 46.
| County | FIPS Code |
| Aurora | 46003 |
| Beadle | 46005 |
| Bennett | 46007 |
| Bon Homme | 46009 |
| Brookings | 46011 |
| Brown | 46013 |
| Brule | 46015 |
| Buffalo | 46017 |
| Butte | 46019 |
| Campbell | 46021 |
| Charles Mix | 46023 |
| Clark | 46025 |
| Clay | 46027 |
| Codington | 46029 |
| Corson | 46031 |
| Custer | 46033 |
| Davison | 46035 |
| Day | 46037 |
| Deuel | 46039 |
| Dewey | 46041 |
| Douglas | 46043 |
| Edmunds | 46045 |
| Fall River | 46047 |
| Faulk | 46049 |
| Grant | 46051 |
| Gregory | 46053 |
| Haakon | 46055 |
| Hamlin | 46057 |
| Hand | 46059 |
| Hanson | 46061 |
| Harding | 46063 |
| Hughes | 46065 |
| Hutchinson | 46067 |
| Hyde | 46069 |
| Jackson | 46071 |
| Jerauld | 46073 |
| Jones | 46075 |
| Kingsbury | 46077 |
| Lake | 46079 |
| Lawrence | 46081 |
| Lincoln | 46083 |
| Lyman | 46085 |
| Marshall | 46091 |
| McCook | 46087 |
| McPherson | 46089 |
| Meade | 46093 |
| Mellette | 46095 |
| Miner | 46097 |
| Minnehaha | 46099 |
| Moody | 46101 |
| Pennington | 46103 |
| Perkins | 46105 |
| Potter | 46107 |
| Roberts | 46109 |
| Sanborn | 46111 |
| Shannon | 46113 |
| Spink | 46115 |
| Stanley | 46117 |
| Sully | 46119 |
| Todd | 46121 |
| Tripp | 46123 |
| Turner | 46125 |
| Union | 46127 |
| Walworth | 46129 |
| Yankton | 46135 |
| Ziebach | 46137 |
All codes are cited from United States Department of Agriculture [28].