| State Representative | Samuel Froehlke | IND | 02/17/2026 | District 04 | | | PO Box 476 Toronto SD 57268 | 310 | Samuel | | Froehlke | | Active | General | 11/3/2026 12:00:00 AM | PO Box 476 | | Toronto | SD | 57268 | HOU | |
| County Auditor | Debbie Melville | IND | 02/10/2026 | Codington | | | 1024 17TH ST NE Watertown SD 57201-6767 | 410 | Debbie | | Melville | | Active | General | 11/3/2026 12:00:00 AM | 1024 17TH ST NE | | Watertown | SD | 57201-6767 | CTY | |
| County Auditor | Kaeloni Latham | IND | 03/17/2026 | Harding | | | 13001 HARDING RD BUFFALO SD 57720 | 410 | Kaeloni | | Latham | | Active | General | 11/3/2026 12:00:00 AM | 13001 HARDING RD | | BUFFALO | SD | 57720 | CTY | |
| County Auditor | Mary Blaha | IND | 01/09/2026 | Harding | | | 310 ALLISON ST BUFFALO SD 57720 | 410 | Mary | | Blaha | | Active | General | 11/3/2026 12:00:00 AM | 310 ALLISON ST | | BUFFALO | SD | 57720 | CTY | |
| County Auditor | Megan Biel | IND | 01/15/2026 | Marshall | | | 10089 HWY 27 BRITTON SD 57430 | 410 | Megan | | Biel | | Active | General | 11/3/2026 12:00:00 AM | 10089 HWY 27 | | BRITTON | SD | 57430 | CTY | |
| County Auditor | Rebecca (Becki) Mommaerts | IND | 03/20/2026 | Miner | | | 405 N BELL ST HOWARD SD 57349 | 410 | Rebecca (Becki) | | Mommaerts | | Active | General | 11/3/2026 12:00:00 AM | 405 N BELL ST | | HOWARD | SD | 57349 | CTY | |
| Sheriff | Manuel "Manny" Langstraat | IND | 03/01/2026 | Brookings | | | 20539 463RD AVE Bruce SD 57220-5703 | 430 | Manuel | "Manny" | Langstraat | | Active | General | 11/3/2026 12:00:00 AM | 20539 463RD AVE | | Bruce | SD | 57220-5703 | CTY | |
| Sheriff | Ashley S. Arpan | IND | 03/16/2026 | Dewey | | | 609 C ST TIMBER LAKE SD 57656 | 430 | Ashley | S. | Arpan | | Active | General | 11/3/2026 12:00:00 AM | 609 C ST | | TIMBER LAKE | SD | 57656 | CTY | |
| Sheriff | Grady R. Jolley | IND | 03/25/2026 | Faulk | | | 34948 155TH ST WECOTA SD 57438 | 430 | Grady | R. | Jolley | | Active | General | 11/3/2026 12:00:00 AM | 34948 155TH ST | | WECOTA | SD | 57438 | CTY | |
| Sheriff | Samuel R Swanson | IND | 03/18/2026 | Marshall | | | 402 MARKET ST LANGFORD SD 57454 | 430 | Samuel | R | Swanson | | Active | General | 11/3/2026 12:00:00 AM | 402 MARKET ST | | LANGFORD | SD | 57454 | CTY | |
| Sheriff | Brandon Watson | IND | 01/09/2026 | Mellette | | | 105 HORSE CREEK LN WHITE RIVER SD 57579-5101 | 430 | Brandon | | Watson | | Active | General | 11/3/2026 12:00:00 AM | 105 HORSE CREEK LN | | WHITE RIVER | SD | 57579-5101 | CTY | |
| Sheriff | Thomas Keller | IND | 01/22/2026 | Mellette | | | 612 N ROOSEVELT AVE WHITE RIVER SD 57579 | 430 | Thomas | | Keller | | Active | General | 11/3/2026 12:00:00 AM | 612 N ROOSEVELT AVE | | WHITE RIVER | SD | 57579 | CTY | |
| Sheriff | Rob Eggert | IND | 03/02/2026 | Miner | | | 204 E PARK AVE HOWARD SD 57349 | 430 | Rob | | Eggert | | Active | General | 11/3/2026 12:00:00 AM | 204 E PARK AVE | | HOWARD | SD | 57349 | CTY | |
| Sheriff | Troy Wellman | IND | 01/27/2026 | Moody | | | 710 W BROAD AVE FLANDREAU SD 57028-5702 | 430 | Troy | | Wellman | | Active | General | 11/3/2026 12:00:00 AM | 710 W BROAD AVE | | FLANDREAU | SD | 57028-5702 | CTY | |
| Register of Deeds | Sandra Frasier-Shaffer | IND | 01/12/2026 | Bon Homme | | | 610 W 14th Ave Tyndall SD 57066 | 440 | Sandra | | Frasier-Shaffer | | Active | General | 11/3/2026 12:00:00 AM | 610 W 14th Ave | | Tyndall | SD | 57066 | CTY | |
| Register of Deeds | Stephanie A Lippincott | IND | 01/26/2026 | Butte | | | 1107 8TH AVE BELLE FOURCHE SD 57717 | 440 | Stephanie | A | Lippincott | | Active | General | 11/3/2026 12:00:00 AM | 1107 8TH AVE | | BELLE FOURCHE | SD | 57717 | CTY | |
| Register of Deeds | Kalissa Stelzer | IND | 02/02/2026 | Marshall | | | 1201 3rd St Britton SD 57430 | 440 | Kalissa | | Stelzer | | Active | General | 11/3/2026 12:00:00 AM | 1201 3rd St | | Britton | SD | 57430 | CTY | |
| Register of Deeds | Haley Gallant | IND | 02/04/2026 | Mellette | | | 324 N. Roosevelt White River SD 57579 | 440 | Haley | | Gallant | | Active | General | 11/3/2026 12:00:00 AM | 324 N. Roosevelt | | White River | SD | 57579 | CTY | |
| Register of Deeds | Brittany Bennett | IND | 02/03/2026 | Moody | | | 707 S CRESCENT ST FLANDREAU SD 57028 | 440 | Brittany | | Bennett | | Active | General | 11/3/2026 12:00:00 AM | 707 S CRESCENT ST | | FLANDREAU | SD | 57028 | CTY | |
| County Commissioner | Robert Shadwell | IND | 02/05/2026 | Campbell-1 | | | 307 TOWER ST Herreid SD 57632 | 460 | Robert | | Shadwell | | Active | General | 11/3/2026 12:00:00 AM | 307 TOWER ST | | Herreid | SD | 57632 | COM | |
| County Commissioner | Kyle E Lee | IND | 03/25/2026 | Kingsbury-3 | | | 43603 208th St De Smet SD 57231-5845 | 460 | Kyle | E | Lee | | Active | General | 11/3/2026 12:00:00 AM | 43603 208th St | | De Smet | SD | 57231-5845 | COM | |
| County Commissioner | Steven L Spilde | IND | 03/03/2026 | Kingsbury-5 | | | 44839 200TH ST Hetland SD 57212-7500 | 460 | Steven | L | Spilde | | Active | General | 11/3/2026 12:00:00 AM | 44839 200TH ST | | Hetland | SD | 57212-7500 | COM | |
| County Commissioner | Kirby Krogman | IND | 03/02/2026 | Mellette-2 | | | 211 E 3RD ST WHITE RIVER SD 57579 | 460 | Kirby | | Krogman | | Active | General | 11/3/2026 12:00:00 AM | 211 E 3RD ST | | WHITE RIVER | SD | 57579 | COM | |
| County Commissioner | Katherine E. O'Brien | REP | 03/31/2026 | Mellette-2 | | | 919 N McKinley St White River SD 57579 | 460 | Katherine | E. | O'Brien | | Active | General | 11/3/2026 12:00:00 AM | 919 N McKinley St | | White River | SD | 57579 | COM | |
| County Commissioner | Gary Blindauer | IND | 02/06/2026 | Sanborn-5 | | | 40612 240TH ST Letcher SD 57359 | 460 | Gary | | Blindauer | | Active | General | 11/3/2026 12:00:00 AM | 40612 240TH ST | | Letcher | SD | 57359 | COM | |
| County Commissioner | Dave Albrecht | IND | 02/17/2026 | Spink-5 | | | 38658 174TH ST Redfield SD 57469-6617 | 460 | Dave | | Albrecht | | Active | General | 11/3/2026 12:00:00 AM | 38658 174TH ST | | Redfield | SD | 57469-6617 | COM | |
| County Commissioner At Large | Keeley Clausen | IND | 03/31/2026 | Bennett | | | 108 Stover St Martin SD 57551 | 470 | Keeley | | Clausen | | Active | General | 11/3/2026 12:00:00 AM | 108 Stover St | | Martin | SD | 57551 | CTY | |
| County Commissioner At Large | Larry Jensen | IND | 01/20/2026 | Brookings | | | 47685 209TH ST Aurora SD 57002 | 470 | Larry | | Jensen | | Active | General | 11/3/2026 12:00:00 AM | 47685 209TH ST | | Aurora | SD | 57002 | CTY | |
| County Commissioner At Large | Kevin Horning | IND | 03/24/2026 | Faulk | | | 15292 362ND AVE CRESBARD SD 57435 | 470 | Kevin | | Horning | | Active | General | 11/3/2026 12:00:00 AM | 15292 362ND AVE | | CRESBARD | SD | 57435 | CTY | |
| County Commissioner At Large | Joe Bechen | IND | 03/06/2026 | Miner | | | 44053 227th St Winfred SD 57076 | 470 | Joe | | Bechen | | Active | General | 11/3/2026 12:00:00 AM | 44053 227th St | | Winfred | SD | 57076 | CTY | |
| County Commissioner At Large | Kent E Terwilliger | IND | 04/01/2026 | Miner | | | 401 S MAIN ST HOWARD SD 57349 | 470 | Kent | E | Terwilliger | | Active | General | 11/3/2026 12:00:00 AM | 401 S MAIN ST | | HOWARD | SD | 57349 | CTY | |
| County Commissioner At Large | Mike Clary | IND | 02/06/2026 | Miner | | | 304 E FARMER AVE HOWARD SD 57349 | 470 | Mike | | Clary | | Active | General | 11/3/2026 12:00:00 AM | 304 E FARMER AVE | | HOWARD | SD | 57349 | CTY | |
| Conservation District Supervisor | Gloria Claussen | NON | 03/26/2026 | Bennett County | | | 110 E. Swallow St Martin SD 57551 | 680 | Gloria | | Claussen | | Active | General | 11/3/2026 12:00:00 AM | 110 E. Swallow St | | Martin | SD | 57551 | SCD | |
| Conservation District Supervisor | David Walloch | NON | 02/25/2026 | Bon Homme County | | | 30122 427TH AVE LESTERVILLE SD 57040-5704 | 680 | David | | Walloch | | Active | General | 11/3/2026 12:00:00 AM | 30122 427TH AVE | | LESTERVILLE | SD | 57040-5704 | SCD | |
| Conservation District Supervisor | David J Sutera | NON | 03/30/2026 | Bon Homme County | | | 1807 IVY ST Tyndall SD 57066 | 680 | David | J | Sutera | | Active | General | 11/3/2026 12:00:00 AM | 1807 IVY ST | | Tyndall | SD | 57066 | SCD | |
| Conservation District Supervisor | Tamarah Caster | NON | 03/30/2026 | Custer County | | | 25957 DEWEY RD EDGEMONT SD 57735 | 680 | Tamarah | | Caster | | Active | General | 11/3/2026 12:00:00 AM | 25957 DEWEY RD | | EDGEMONT | SD | 57735 | SCD | |
| Conservation District Supervisor | Arden Petersen | NON | 04/01/2026 | Dewey County | | | 16096 258th Ave Eagle Butte SD 57625 | 680 | Arden | | Petersen | | Active | General | 11/3/2026 12:00:00 AM | 16096 258th Ave | | Eagle Butte | SD | 57625 | SCD | |
| Conservation District Supervisor | Craig Bielmaier | NON | 03/30/2026 | East Pennington | | | 19325 SAWVELL RD Wall SD 57790 | 680 | Craig | | Bielmaier | | Active | General | 11/3/2026 12:00:00 AM | 19325 SAWVELL RD | | Wall | SD | 57790 | SCD | |
| Conservation District Supervisor | Constance Mc Pherson | NON | 02/18/2026 | Elk Creek | | | 21073 Star Ranch Dr Sturgis SD 57785 | 680 | Constance | | Mc Pherson | | Active | General | 11/3/2026 12:00:00 AM | 21073 Star Ranch Dr | | Sturgis | SD | 57785 | SCD | |
| Conservation District Supervisor | Philip Wilson | NON | 03/20/2026 | Elk Creek | | | 18351 Smithville Rd Elm Springs SD 57791 | 680 | Philip | | Wilson | | Active | General | 11/3/2026 12:00:00 AM | 18351 Smithville Rd | | Elm Springs | SD | 57791 | SCD | |
| Conservation District Supervisor | Karl F. Jensen | NON | 02/27/2026 | Lawrence County | | | 19918 Dane Church Rd Whitewood SD 57793 | 680 | Karl | F. | Jensen | | Active | General | 11/3/2026 12:00:00 AM | 19918 Dane Church Rd | | Whitewood | SD | 57793 | SCD | |
| Conservation District Supervisor | George Leitheiser | NON | 03/16/2026 | McCook County | | | 26421 431st Ave Emery SD 57332 | 680 | George | | Leitheiser | | Active | General | 11/3/2026 12:00:00 AM | 26421 431st Ave | | Emery | SD | 57332 | SCD | |
| Conservation District Supervisor | Elliot Earl Lorenzen | NON | 03/10/2026 | Deuel County | | | 18159 SD HIGHWAY 101 Gary SD 57237-5565 | 690 | Elliot | Earl | Lorenzen | | Active | General | 11/3/2026 12:00:00 AM | 18159 SD HIGHWAY 101 | | Gary | SD | 57237-5565 | SCD | |
| Conservation District Supervisor | Trevor Austin Frensko | NON | 02/10/2026 | Deuel County | | | 17572 470th Ave Clear Lake SD 57226-5000 | 690 | Trevor | Austin | Frensko | | Active | General | 11/3/2026 12:00:00 AM | 17572 470th Ave | | Clear Lake | SD | 57226-5000 | SCD | |
| Conservation District Supervisor | Wanda K Larson | NON | 02/24/2026 | Jones County | | | 26956 LARSON PL Murdo SD 57559 | 690 | Wanda | K | Larson | | Active | General | 11/3/2026 12:00:00 AM | 26956 LARSON PL | | Murdo | SD | 57559 | SCD | |
| Conservation District Supervisor | Darian Kilker | NON | 04/01/2026 | Marshall County | | | 442721 N Shore Dr Lake City SD 57247 | 690 | Darian | | Kilker | | Active | General | 11/3/2026 12:00:00 AM | 442721 N Shore Dr | | Lake City | SD | 57247 | SCD | |
| Conservation District Supervisor | Marvin Kizer | NON | 02/13/2026 | Miner County | | | 22819 432ND AVE Howard SD 57349 | 690 | Marvin | | Kizer | | Active | General | 11/3/2026 12:00:00 AM | 22819 432ND AVE | | Howard | SD | 57349 | SCD | |
| Conservation District Supervisor | Anthony Lyren | NON | 03/30/2026 | Spink County | | | 40993 161ST ST Conde SD 57434-5902 | 690 | Anthony | | Lyren | | Active | General | 11/3/2026 12:00:00 AM | 40993 161ST ST | | Conde | SD | 57434-5902 | SCD | |
| Conservation District Supervisor | Chase Smith | NON | 03/24/2026 | Elk Creek | | | 12387 Merritt Rd Sturgis SD 57785 | 692 | Chase | | Smith | | Active | General | 11/3/2026 12:00:00 AM | 12387 Merritt Rd | | Sturgis | SD | 57785 | SCD | |
| Conservation District Supervisor | Nick Uherka | NON | 02/24/2026 | Elk Creek | | | 20732 Kimber Rd Sturgis SD 57785 | 692 | Nick | | Uherka | | Active | General | 11/3/2026 12:00:00 AM | 20732 Kimber Rd | | Sturgis | SD | 57785 | SCD | |