| State Senator | Ernie Otten | REP | 01/06/2026 | District 06 | | | 46787 273rd St Tea SD 57064 | 300 | Ernie | | Otten | | Active | Primary | 6/2/2026 12:00:00 AM | 46787 273rd St | | Tea | SD | 57064 | SEN | |
| County Auditor | Annette Van Emmerik | REP | 01/06/2026 | McCook | | | 24998 443rd Ave Salem SD 57058-5200 | 410 | Annette | | Van Emmerik | | Active | Primary | 6/2/2026 12:00:00 AM | 24998 443rd Ave | | Salem | SD | 57058-5200 | CTY | |
| County Auditor | Susan B Lamb | REP | 01/06/2026 | Sully | | | 308 S 8TH ST ONIDA SD 57564 | 410 | Susan | B | Lamb | | Active | Primary | 6/2/2026 12:00:00 AM | 308 S 8TH ST | | ONIDA | SD | 57564 | CTY | |
| Register of Deeds | Lisa Terwilliger | DEM | 01/06/2026 | Clay | | | 502 Poplar Ave Vermillion SD 57069 | 440 | Lisa | | Terwilliger | | Active | Primary | 6/2/2026 12:00:00 AM | 502 Poplar Ave | | Vermillion | SD | 57069 | CTY | |
| Register of Deeds | Davida Hansen | REP | 01/07/2026 | Lawrence | | | 123 BILLINGS AVE Lead SD 57754 | 440 | Davida | | Hansen | | Active | Primary | 6/2/2026 12:00:00 AM | 123 BILLINGS AVE | | Lead | SD | 57754 | CTY | |
| County Commissioner | Tom Michael Stenger | REP | 01/07/2026 | Moody-1 | | | 22903 479A AVE FLANDREAU SD 57028 | 460 | Tom | Michael | Stenger | | Active | Primary | 6/2/2026 12:00:00 AM | 22903 479A AVE | | FLANDREAU | SD | 57028 | COM | |
| County Commissioner | Greg A Yackley | DEM | 01/07/2026 | Sully-3 | | | 601 S 9TH ST ONIDA SD 57564-2133 | 460 | Greg | A | Yackley | | Active | Primary | 6/2/2026 12:00:00 AM | 601 S 9TH ST | | ONIDA | SD | 57564-2133 | COM | |
| County Commissioner | William Floyd Jr | REP | 01/07/2026 | Sully-1 | | | 28338 188TH ST PIERRE SD 57501 | 462 | William | | Floyd | Jr | Active | Primary | 6/2/2026 12:00:00 AM | 28338 188TH ST | | PIERRE | SD | 57501 | COM | |
| Delegates to State Convention | Betty Otten | REP | 01/05/2026 | Lincoln | | | 46787 273RD ST TEA SD 57064 | 480 | Betty | | Otten | | Active | Primary | 6/2/2026 12:00:00 AM | 46787 273RD ST | | TEA | SD | 57064 | CTY | |
| Precinct Committeeman | Leon Pesall | REP | 01/05/2026 | Brookings - Precinct-05 | | | 1214 11TH ST S Brookings SD 57006 | 490 | Leon | | Pesall | | Active | Primary | 6/2/2026 12:00:00 AM | 1214 11TH ST S | | Brookings | SD | 57006 | PRE | |
| Precinct Committeeman | Pat Powers | REP | 01/06/2026 | Brookings - Precinct-05 | | | 1610 17TH AVE S Brookings SD 57006 | 490 | Pat | | Powers | | Active | Primary | 6/2/2026 12:00:00 AM | 1610 17TH AVE S | | Brookings | SD | 57006 | PRE | |
| Precinct Committeeman | Talmage Ekanger | REP | 01/06/2026 | Brown - Precinct-03 | | | 1861 EISENHOWER CIR ABERDEEN SD 57401-7456 | 490 | Talmage | | Ekanger | | Active | Primary | 6/2/2026 12:00:00 AM | 1861 EISENHOWER CIR | | ABERDEEN | SD | 57401-7456 | PRE | |
| Precinct Committeeman | Carl Perry | REP | 01/06/2026 | Brown - Precinct-04 | | | 2722 RAILROAD CIR ABERDEEN SD 57401-5347 | 490 | Carl | | Perry | | Active | Primary | 6/2/2026 12:00:00 AM | 2722 RAILROAD CIR | | ABERDEEN | SD | 57401-5347 | PRE | |
| Precinct Committeeman | Wayne Bierman | REP | 01/06/2026 | Brown - Precinct-04 | | | 1411 DICK DR Aberdeen SD 57401 | 490 | Wayne | | Bierman | | Active | Primary | 6/2/2026 12:00:00 AM | 1411 DICK DR | | Aberdeen | SD | 57401 | PRE | |
| Precinct Committeeman | Thomas J Brunner | REP | 01/05/2026 | Butte - Precinct-18 | | | 18769 QUIN RD Nisland SD 57762 | 490 | Thomas | J | Brunner | | Active | Primary | 6/2/2026 12:00:00 AM | 18769 QUIN RD | | Nisland | SD | 57762 | PRE | |
| Precinct Committeeman | Jason Kari | REP | 01/05/2026 | Butte - Precinct-21 | | | 1050 ELKHORN ST APT BELLE FOURCHE SD 57717-1572 | 490 | Jason | | Kari | | Active | Primary | 6/2/2026 12:00:00 AM | 1050 ELKHORN ST APT | | BELLE FOURCHE | SD | 57717-1572 | PRE | |
| Precinct Committeeman | Stephen Leslie Hayes | REP | 01/07/2026 | Butte - Precinct-24 | | | 1216 11TH AVE BELLE FOURCHE SD 57717 | 490 | Stephen | Leslie | Hayes | | Active | Primary | 6/2/2026 12:00:00 AM | 1216 11TH AVE | | BELLE FOURCHE | SD | 57717 | PRE | |
| Precinct Committeeman | Ivan VanDusseldorp | REP | 01/06/2026 | Charles Mix - Precinct-09 | | | 37263 272ND ST PLATTE SD 57369-6122 | 490 | Ivan | | VanDusseldorp | | Active | Primary | 6/2/2026 12:00:00 AM | 37263 272ND ST | | PLATTE | SD | 57369-6122 | PRE | |
| Precinct Committeeman | Thomas L Travis | REP | 01/06/2026 | Charles Mix - Precinct-10 | | | 26949 360TH AVE Platte SD 57369 | 490 | Thomas | L | Travis | | Active | Primary | 6/2/2026 12:00:00 AM | 26949 360TH AVE | | Platte | SD | 57369 | PRE | |
| Precinct Committeeman | Jeffrey Church | REP | 01/02/2026 | Clay - Precinct-E2 | | | 826 N Crawford Rd Vermillion SD 57069 | 490 | Jeffrey | | Church | | Active | Primary | 6/2/2026 12:00:00 AM | 826 N Crawford Rd | | Vermillion | SD | 57069 | PRE | |
| Precinct Committeeman | Ken R Couch | REP | 01/07/2026 | Custer - Precinct-03 | | | 13603 7-11 Rd BUFFALO GAP SD 57722- | 490 | Ken | R | Couch | | Active | Primary | 6/2/2026 12:00:00 AM | 13603 7-11 Rd | | BUFFALO GAP | SD | 57722- | PRE | |
| Precinct Committeeman | Brian Keith Hastey | REP | 01/07/2026 | Custer - Precinct-04 | | | 26527 SD HIGHWAY 89 CUSTER SD 57730-8154 | 490 | Brian | Keith | Hastey | | Active | Primary | 6/2/2026 12:00:00 AM | 26527 SD HIGHWAY 89 | | CUSTER | SD | 57730-8154 | PRE | |
| Precinct Committeeman | Robert Ray Ladner | REP | 01/06/2026 | Fall River - CAS | | | 12567 Pine Shadows Rd Hot Springs SD 57747-7431 | 490 | Robert | Ray | Ladner | | Active | Primary | 6/2/2026 12:00:00 AM | 12567 Pine Shadows Rd | | Hot Springs | SD | 57747-7431 | PRE | |
| Precinct Committeeman | Larry B. Eliason | REP | 01/06/2026 | Hughes - Precinct-04 | | | 209 S LINCOLN AVE PIERRE SD 57501 | 490 | Larry | B. | Eliason | | Active | Primary | 6/2/2026 12:00:00 AM | 209 S LINCOLN AVE | | PIERRE | SD | 57501 | PRE | |
| Precinct Committeeman | Regan Bollweg | REP | 01/06/2026 | Hughes - Precinct-07 | | | 20152 321ST AVE Harrold SD 57536 | 490 | Regan | | Bollweg | | Active | Primary | 6/2/2026 12:00:00 AM | 20152 321ST AVE | | Harrold | SD | 57536 | PRE | |
| Precinct Committeeman | Ernie Otten Jr | REP | 01/05/2026 | Lincoln - 13-14 | | | 46787 273RD ST TEA SD 57064 | 490 | Ernie | | Otten | Jr | Active | Primary | 6/2/2026 12:00:00 AM | 46787 273RD ST | | TEA | SD | 57064 | PRE | |
| Precinct Committeeman | Seth Moser | REP | 01/02/2026 | Lincoln - 15 | | | 27206 CEDAR RIDGE CT HARRISBURG SD 57032 | 490 | Seth | | Moser | | Active | Primary | 6/2/2026 12:00:00 AM | 27206 CEDAR RIDGE CT | | HARRISBURG | SD | 57032 | PRE | |
| Precinct Committeeman | Aaron Aylward | REP | 01/05/2026 | Lincoln - 27 | | | 423 ANDREW AVE HARRISBURG SD 57032 | 490 | Aaron | | Aylward | | Active | Primary | 6/2/2026 12:00:00 AM | 423 ANDREW AVE | | HARRISBURG | SD | 57032 | PRE | |
| Precinct Committeeman | Erik Nyberg | REP | 01/02/2026 | Lincoln - Sioux Falls 2-11 | | | 712 E 61ST ST SIOUX FALLS SD 57108 | 490 | Erik | | Nyberg | | Active | Primary | 6/2/2026 12:00:00 AM | 712 E 61ST ST | | SIOUX FALLS | SD | 57108 | PRE | |
| Precinct Committeeman | Jim Stalzer | REP | 01/07/2026 | Minnehaha - Precinct-0315 | | | 5909 W BRISTOL DR Sioux Falls SD 57106 | 490 | Jim | | Stalzer | | Active | Primary | 6/2/2026 12:00:00 AM | 5909 W BRISTOL DR | | Sioux Falls | SD | 57106 | PRE | |
| Precinct Committeeman | Manny Steele | REP | 01/07/2026 | Minnehaha - Precinct-0412 | | | 1201 S FOSS AVE SIOUX FALLS SD 57110 | 490 | Manny | | Steele | | Active | Primary | 6/2/2026 12:00:00 AM | 1201 S FOSS AVE | | SIOUX FALLS | SD | 57110 | PRE | |
| Precinct Committeeman | Tom Pischke | REP | 01/07/2026 | Minnehaha - Precinct-VP21 | | | 503 E 12TH ST DELL RAPIDS SD 57022-1003 | 490 | Tom | | Pischke | | Active | Primary | 6/2/2026 12:00:00 AM | 503 E 12TH ST | | DELL RAPIDS | SD | 57022-1003 | PRE | |
| Precinct Committeeman | Clayton Rentschler | REP | 01/07/2026 | Moody - Precinct-4 | | | 23258 480TH AVE FLANDREAU SD 57028 | 490 | Clayton | | Rentschler | | Active | Primary | 6/2/2026 12:00:00 AM | 23258 480TH AVE | | FLANDREAU | SD | 57028 | PRE | |
| Precinct Committeeman | Dale Bartscher | REP | 01/07/2026 | Pennington - Precinct 2-2 | | | 3004 COPPERLANE CT RAPID CITY SD 57703-4796 | 490 | Dale | | Bartscher | | Active | Primary | 6/2/2026 12:00:00 AM | 3004 COPPERLANE CT | | RAPID CITY | SD | 57703-4796 | PRE | |
| Precinct Committeeman | Donald J Greenfield | REP | 01/06/2026 | Spink - Precinct-01 | | | 103 IOWA ST S DOLAND SD 57436 | 490 | Donald | J | Greenfield | | Active | Primary | 6/2/2026 12:00:00 AM | 103 IOWA ST S | | DOLAND | SD | 57436 | PRE | |
| Precinct Committeeman | Douglas Scott Auch | REP | 01/05/2026 | Yankton - Precinct-18 | | | 42948 300TH ST LESTERVILLE SD 57040 | 490 | Douglas | Scott | Auch | | Active | Primary | 6/2/2026 12:00:00 AM | 42948 300TH ST | | LESTERVILLE | SD | 57040 | PRE | |
| Precinct Committeewoman | Charlene Cornelius | REP | 01/07/2026 | Brown - Precinct-02 | | | 1218 15TH AVE NE ABERDEEN SD 57401 | 492 | Charlene | | Cornelius | | Active | Primary | 6/2/2026 12:00:00 AM | 1218 15TH AVE NE | | ABERDEEN | SD | 57401 | PRE | |
| Precinct Committeewoman | Laura J. Saunders | REP | 01/07/2026 | Brown - Precinct-03 | | | 1625 S 3RD ST ABERDEEN SD 57401 | 492 | Laura | J. | Saunders | | Active | Primary | 6/2/2026 12:00:00 AM | 1625 S 3RD ST | | ABERDEEN | SD | 57401 | PRE | |
| Precinct Committeewoman | Maryann Bierman | REP | 01/06/2026 | Brown - Precinct-04 | | | 1411 DICK DR Aberdeen SD 57401 | 492 | Maryann | | Bierman | | Active | Primary | 6/2/2026 12:00:00 AM | 1411 DICK DR | | Aberdeen | SD | 57401 | PRE | |
| Precinct Committeewoman | Sheryl Perry | REP | 01/06/2026 | Brown - Precinct-04 | | | 2722 RAILROAD CIR # 8 Aberdeen SD 57401-5347 | 492 | Sheryl | | Perry | | Active | Primary | 6/2/2026 12:00:00 AM | 2722 RAILROAD CIR # 8 | | Aberdeen | SD | 57401-5347 | PRE | |
| Precinct Committeewoman | Monica Meyer | REP | 01/06/2026 | Brown - Precinct-08 | | | 12893 FAIRFIELD DR Aberdeen SD 57401 | 492 | Monica | | Meyer | | Active | Primary | 6/2/2026 12:00:00 AM | 12893 FAIRFIELD DR | | Aberdeen | SD | 57401 | PRE | |
| Precinct Committeewoman | Quin Brunner | REP | 01/05/2026 | Butte - Precinct-18 | | | 18769 QUIN RD Nisland SD 57762 | 492 | Quin | | Brunner | | Active | Primary | 6/2/2026 12:00:00 AM | 18769 QUIN RD | | Nisland | SD | 57762 | PRE | |
| Precinct Committeewoman | Michelle Evans | REP | 01/07/2026 | Butte - Precinct-22 | | | 507 STATE ST APT 4 BELLE FOURCHE SD 57717 | 492 | Michelle | | Evans | | Active | Primary | 6/2/2026 12:00:00 AM | 507 STATE ST APT 4 | | BELLE FOURCHE | SD | 57717 | PRE | |
| Precinct Committeewoman | Linda Kay Hayes | REP | 01/07/2026 | Butte - Precinct-24 | | | 1216 11TH AVE BELLE FOURCHE SD 57717 | 492 | Linda | Kay | Hayes | | Active | Primary | 6/2/2026 12:00:00 AM | 1216 11TH AVE | | BELLE FOURCHE | SD | 57717 | PRE | |
| Precinct Committeewoman | Lois VanDusseldorp | REP | 01/06/2026 | Charles Mix - Precinct-09 | | | 37263 272ND ST PLATTE SD 57369-6122 | 492 | Lois | | VanDusseldorp | | Active | Primary | 6/2/2026 12:00:00 AM | 37263 272ND ST | | PLATTE | SD | 57369-6122 | PRE | |
| Precinct Committeewoman | Veda Church | REP | 01/02/2026 | Clay - Precinct-E2 | | | 826 N Crawford Rd Vermillion SD 57069 | 492 | Veda | | Church | | Active | Primary | 6/2/2026 12:00:00 AM | 826 N Crawford Rd | | Vermillion | SD | 57069 | PRE | |
| Precinct Committeewoman | Vivian M Couch | REP | 01/07/2026 | Custer - Precinct-03 | | | 13603 7-11 Rd BUFFALO GAP SD 57722- | 492 | Vivian | M | Couch | | Active | Primary | 6/2/2026 12:00:00 AM | 13603 7-11 Rd | | BUFFALO GAP | SD | 57722- | PRE | |
| Precinct Committeewoman | Grace Anne Hastey | REP | 01/07/2026 | Custer - Precinct-04 | | | 26527 SD HIGHWAY 89 CUSTER SD 57730-8154 | 492 | Grace | Anne | Hastey | | Active | Primary | 6/2/2026 12:00:00 AM | 26527 SD HIGHWAY 89 | | CUSTER | SD | 57730-8154 | PRE | |
| Precinct Committeewoman | Patricia Gail Ladner | REP | 01/06/2026 | Fall River - CAS | | | 12567 Pine Shadows Rd Hot Springs SD 57747-7431 | 492 | Patricia | Gail | Ladner | | Active | Primary | 6/2/2026 12:00:00 AM | 12567 Pine Shadows Rd | | Hot Springs | SD | 57747-7431 | PRE | |
| Precinct Committeewoman | Laura Odenbach | REP | 01/07/2026 | Lawrence - Precinct-10 | | | 3425 Fox Run Ln Spearfish SD 57783-4151 | 492 | Laura | | Odenbach | | Active | Primary | 6/2/2026 12:00:00 AM | 3425 Fox Run Ln | | Spearfish | SD | 57783-4151 | PRE | |