| United States Senator | Julian Beaudion | DEM | 04/04/2026 | | | | 2604 S Kierra Ct Sioux Falls SD 57106-5008 | 110 | Julian | | Beaudion | | Active | General | 11/3/2026 12:00:00 AM | 2604 S Kierra Ct | | Sioux Falls | SD | 57106-5008 | SW | |
| United States Senator | Brian L Bengs | IND | 04/24/2026 | | | | P.O. Box 404 Hot Springs SD 57747 | 110 | Brian | L | Bengs | | Active | General | 11/3/2026 12:00:00 AM | P.O. Box 404 | | Hot Springs | SD | 57747 | SW | |
| United States Senator | Mike Rounds | REP | 03/27/2026 | | | | 2418 Whispering Shores Dr. Fort Pierre SD 57532-2403 | 110 | Mike | | Rounds | | Active | General | 11/3/2026 12:00:00 AM | 2418 Whispering Shores Dr. | | Fort Pierre | SD | 57532-2403 | SW | |
| United States Representative | Nicole "Nikki" Gronli | DEM | 04/01/2026 | | | | 24620 479th Ave Dell Rapids SD 57022 | 120 | Nicole "Nikki" | | Gronli | | Active | General | 11/3/2026 12:00:00 AM | 24620 479th Ave | | Dell Rapids | SD | 57022 | SW | |
| United States Representative | Marty Jackley | REP | 04/01/2026 | | | | PO Box 314 Pierre SD 57501 | 120 | Marty | | Jackley | | Active | General | 11/3/2026 12:00:00 AM | PO Box 314 | | Pierre | SD | 57501 | SW | |
| Secretary of State | Terrence Davis | DEM | 06/11/2026 | | | | 3101 E 21st St Sioux Falls SD 57103 | 210 | Terrence | | Davis | | Active | General | 11/3/2026 12:00:00 AM | 3101 E 21st St | | Sioux Falls | SD | 57103 | SW | |
| Secretary of State | Tamara J. Lesnar | LIB | 05/04/2026 | | | | 908 Kosciusko Ave Grenville SD 57239-2100 | 210 | Tamara | J. | Lesnar | | Active | General | 11/3/2026 12:00:00 AM | 908 Kosciusko Ave | | Grenville | SD | 57239-2100 | SW | |
| Secretary of State | Heather Baxter | REP | 06/29/2026 | | | | 6017 Covenant Dr Rapid City SD 57702-7518 | 210 | Heather | | Baxter | | Active | General | 11/3/2026 12:00:00 AM | 6017 Covenant Dr | | Rapid City | SD | 57702-7518 | SW | |
| Attorney General | Lance Russell | REP | 06/29/2026 | | | | 1938 Lincoln Ave Hot Springs SD 57747 | 220 | Lance | | Russell | | Active | General | 11/3/2026 12:00:00 AM | 1938 Lincoln Ave | | Hot Springs | SD | 57747 | SW | |
| State Auditor | Tom Cool | DEM | 06/11/2026 | | | | 6113 W 32nd St Sioux Falls SD 57106 | 230 | Tom | | Cool | | Active | General | 11/3/2026 12:00:00 AM | 6113 W 32nd St | | Sioux Falls | SD | 57106 | SW | |
| State Auditor | Catherine Barranco | REP | 06/29/2026 | | | | 3900 S Homerun Ave Sioux Falls SD 57110 | 230 | Catherine | | Barranco | | Active | General | 11/3/2026 12:00:00 AM | 3900 S Homerun Ave | | Sioux Falls | SD | 57110 | SW | |
| State Treasurer | Margaret Kuipers | DEM | 06/11/2026 | | | | 1867 S Sertoma Ave Unit 101 Sioux Falls SD 57106 | 240 | Margaret | | Kuipers | | Active | General | 11/3/2026 12:00:00 AM | 1867 S Sertoma Ave Unit 101 | | Sioux Falls | SD | 57106 | SW | |
| State Treasurer | Melissa Hull | REP | 06/29/2026 | | | | 211 N Jackson Ave Pierre SD 57501 | 240 | Melissa | | Hull | | Active | General | 11/3/2026 12:00:00 AM | 211 N Jackson Ave | | Pierre | SD | 57501 | SW | |
| Commissioner of School and Public Lands | Raeann Mettler | DEM | 06/11/2026 | | | | 909 Jonas Blvd Spearfish SD 57783-1615 | 250 | Raeann | | Mettler | | Active | General | 11/3/2026 12:00:00 AM | 909 Jonas Blvd | | Spearfish | SD | 57783-1615 | SW | |
| Commissioner of School and Public Lands | BROCK GREENFIELD | REP | 06/29/2026 | | | | 106 W 8TH ST Pierre SD 57501 | 250 | BROCK | | GREENFIELD | | Active | General | 11/3/2026 12:00:00 AM | 106 W 8TH ST | | Pierre | SD | 57501 | SW | |
| Public Utilities Commissioner | Frank Kloucek | DEM | 06/11/2026 | | | | 29966 423rd Ave Scotland SD 57059-5714 | 260 | Frank | | Kloucek | | Active | General | 11/3/2026 12:00:00 AM | 29966 423rd Ave | | Scotland | SD | 57059-5714 | SW | |
| Public Utilities Commissioner | Don Haggar | REP | 06/29/2026 | | | | 1201 E 8TH ST Sioux Falls SD 57103-1701 | 260 | Don | | Haggar | | Active | General | 11/3/2026 12:00:00 AM | 1201 E 8TH ST | | Sioux Falls | SD | 57103-1701 | SW | |
| State Senator | Michael H. Rohl | REP | 03/04/2026 | District 01 | | | 38635 129th Street Aberdeen SD 57401 | 300 | Michael | H. | Rohl | | Active | General | 11/3/2026 12:00:00 AM | 38635 129th Street | | Aberdeen | SD | 57401 | SEN | |
| State Senator | John Sjaarda | REP | 02/02/2026 | District 02 | | | 115 Lynx St Valley Springs SD 57068 | 300 | John | | Sjaarda | | Active | General | 11/3/2026 12:00:00 AM | 115 Lynx St | | Valley Springs | SD | 57068 | SEN | |
| State Senator | Katherine "Katie" Washnok | REP | 03/11/2026 | District 03 | | | 4644 130th Street Aberdeen SD 57401 | 300 | Katherine | "Katie" | Washnok | | Active | General | 11/3/2026 12:00:00 AM | 4644 130th Street | | Aberdeen | SD | 57401 | SEN | |
| State Senator | Stephanie Sauder | REP | 02/23/2026 | District 04 | | | PO Box 94 Bryant SD 57221 | 300 | Stephanie | | Sauder | | Active | General | 11/3/2026 12:00:00 AM | PO Box 94 | | Bryant | SD | 57221 | SEN | |
| State Senator | Glen A. Vilhauer | REP | 02/17/2026 | District 05 | | | PO Box 1091 Watertown SD 57201 | 300 | Glen | A. | Vilhauer | | Active | General | 11/3/2026 12:00:00 AM | PO Box 1091 | | Watertown | SD | 57201 | SEN | |
| State Senator | Ernie Otten | REP | 01/06/2026 | District 06 | | | 46787 273rd St Tea SD 57064 | 300 | Ernie | | Otten | | Active | General | 11/3/2026 12:00:00 AM | 46787 273rd St | | Tea | SD | 57064 | SEN | |
| State Senator | Tim Reed | REP | 03/11/2026 | District 07 | | | 1409 Whitetail Path Brookings SD 57006 | 300 | Tim | | Reed | | Active | General | 11/3/2026 12:00:00 AM | 1409 Whitetail Path | | Brookings | SD | 57006 | SEN | |
| State Senator | Clint Hoyer | IND | 04/28/2026 | District 08 | | | 44145 223rd St Winfred SD 57076 | 300 | Clint | | Hoyer | | Active | General | 11/3/2026 12:00:00 AM | 44145 223rd St | | Winfred | SD | 57076 | SEN | |
| State Senator | Casey Crabtree | REP | 03/18/2026 | District 08 | | | 115 Woodland Drive Madison SD 57042 | 300 | Casey | | Crabtree | | Active | General | 11/3/2026 12:00:00 AM | 115 Woodland Drive | | Madison | SD | 57042 | SEN | |
| State Senator | Joy Hohn | REP | 03/05/2026 | District 09 | | | 46178 263rd St. Hartford SD 57033 | 300 | Joy | | Hohn | | Active | General | 11/3/2026 12:00:00 AM | 46178 263rd St. | | Hartford | SD | 57033 | SEN | |
| State Senator | Liz Larson | DEM | 03/04/2026 | District 10 | | | 2013 S Main Ave Sioux Falls SD 57105 | 300 | Liz | | Larson | | Active | General | 11/3/2026 12:00:00 AM | 2013 S Main Ave | | Sioux Falls | SD | 57105 | SEN | |
| State Senator | Michael Dupic | REP | 03/30/2026 | District 10 | | | 2801 E Madison St., Apt 105 Sioux Falls SD 57103 | 300 | Michael | | Dupic | | Active | General | 11/3/2026 12:00:00 AM | 2801 E Madison St., Apt 105 | | Sioux Falls | SD | 57103 | SEN | |
| State Senator | Aaron Matson | DEM | 02/18/2026 | District 11 | | | 4701 S Key Ave Sioux Falls SD 57106 | 300 | Aaron | | Matson | | Active | General | 11/3/2026 12:00:00 AM | 4701 S Key Ave | | Sioux Falls | SD | 57106 | SEN | |
| State Senator | Chris Karr | REP | 03/30/2026 | District 11 | | | 7421 W Luke Dr Sioux Falls SD 57106 | 300 | Chris | | Karr | | Active | General | 11/3/2026 12:00:00 AM | 7421 W Luke Dr | | Sioux Falls | SD | 57106 | SEN | |
| State Senator | Joe Zweifel | DEM | 04/03/2026 | District 12 | | | 3120 W Rambler PL #301 Sioux Falls SD 57108 | 300 | Joe | | Zweifel | | Active | General | 11/3/2026 12:00:00 AM | 3120 W Rambler PL #301 | | Sioux Falls | SD | 57108 | SEN | |
| State Senator | Kari Shanard-Koenders | REP | 03/26/2026 | District 12 | | | 3005 W Spruceleigh Ct. Sioux Falls SD 57105 | 300 | Kari | | Shanard-Koenders | | Active | General | 11/3/2026 12:00:00 AM | 3005 W Spruceleigh Ct. | | Sioux Falls | SD | 57105 | SEN | |
| State Senator | Sue Peterson | REP | 01/23/2026 | District 13 | | | 6405 S Killarney Cir Sioux Falls SD 57108 | 300 | Sue | | Peterson | | Active | General | 11/3/2026 12:00:00 AM | 6405 S Killarney Cir | | Sioux Falls | SD | 57108 | SEN | |
| State Senator | Larry P. Zikmund | REP | 03/11/2026 | District 14 | | | 2405 East 52nd St Sioux Falls SD 57103 | 300 | Larry | P. | Zikmund | | Active | General | 11/3/2026 12:00:00 AM | 2405 East 52nd St | | Sioux Falls | SD | 57103 | SEN | |
| State Senator | Erik Muckey | DEM | 02/03/2026 | District 15 | | | 196 E 6th St Apt 308 Sioux Falls SD 57104 | 300 | Erik | | Muckey | | Active | General | 11/3/2026 12:00:00 AM | 196 E 6th St Apt 308 | | Sioux Falls | SD | 57104 | SEN | |
| State Senator | Brenda Lawrence | REP | 04/03/2026 | District 15 | | | 216 S Summit Ave Sioux Falls SD 57104 | 300 | Brenda | | Lawrence | | Active | General | 11/3/2026 12:00:00 AM | 216 S Summit Ave | | Sioux Falls | SD | 57104 | SEN | |
| State Senator | Kevin D. Jensen | REP | 02/09/2026 | District 16 | | | 27808 484th Ave Canton SD 57013 | 300 | Kevin | D. | Jensen | | Active | General | 11/3/2026 12:00:00 AM | 27808 484th Ave | | Canton | SD | 57013 | SEN | |
| State Senator | Sydney Davis | REP | 01/13/2026 | District 17 | | | 46838 307th St Burbank SD 57010 | 300 | Sydney | | Davis | | Active | General | 11/3/2026 12:00:00 AM | 46838 307th St | | Burbank | SD | 57010 | SEN | |
| State Senator | Kay Swihart | DEM | 03/26/2026 | District 18 | | | 296 Gavins Point Rd Yankton SD 57078-6215 | 300 | Kay | | Swihart | | Active | General | 11/3/2026 12:00:00 AM | 296 Gavins Point Rd | | Yankton | SD | 57078-6215 | SEN | |
| State Senator | Lauren Nelson | REP | 03/30/2026 | District 18 | | | 44112 306TH St Yankton SD 57078 | 300 | Lauren | | Nelson | | Active | General | 11/3/2026 12:00:00 AM | 44112 306TH St | | Yankton | SD | 57078 | SEN | |
| State Senator | Russell E. Graeff | DEM | 03/26/2026 | District 19 | | | PO Box 196 Scotland SD 57059-2072 | 300 | Russell | E. | Graeff | | Active | General | 11/3/2026 12:00:00 AM | PO Box 196 | | Scotland | SD | 57059-2072 | SEN | |
| State Senator | Kyle Schoenfish | REP | 02/25/2026 | District 19 | | | 42472 Maxwell Rd Scotland SD 57059 | 300 | Kyle | | Schoenfish | | Active | General | 11/3/2026 12:00:00 AM | 42472 Maxwell Rd | | Scotland | SD | 57059 | SEN | |
| State Senator | Paul Miskimins | REP | 01/13/2026 | District 20 | | | 1225 Summit Drive Mitchell SD 57301 | 300 | Paul | | Miskimins | | Active | General | 11/3/2026 12:00:00 AM | 1225 Summit Drive | | Mitchell | SD | 57301 | SEN | |
| State Senator | Dan Andersson | DEM | 04/03/2026 | District 21 | | | 510 E 8th St Burke SD 57523-4000 | 300 | Dan | | Andersson | | Active | General | 11/3/2026 12:00:00 AM | 510 E 8th St | | Burke | SD | 57523-4000 | SEN | |
| State Senator | Mykala Voita | REP | 03/12/2026 | District 21 | | | 29861 355th Ave Bonesteel SD 57317 | 300 | Mykala | | Voita | | Active | General | 11/3/2026 12:00:00 AM | 29861 355th Ave | | Bonesteel | SD | 57317 | SEN | |
| State Senator | Brandon R. Wipf | REP | 02/11/2026 | District 22 | | | 40396 S Shore Rd Huron SD 57350 | 300 | Brandon | R. | Wipf | | Active | General | 11/3/2026 12:00:00 AM | 40396 S Shore Rd | | Huron | SD | 57350 | SEN | |
| State Senator | Mark Lapka | REP | 03/24/2026 | District 23 | | | 36354 110th St Leola SD 57456 | 300 | Mark | | Lapka | | Active | General | 11/3/2026 12:00:00 AM | 36354 110th St | | Leola | SD | 57456 | SEN | |
| State Senator | Jim Mehlhaff | REP | 03/06/2026 | District 24 | | | 1014 W Capitol Ave Pierre SD 57501 | 300 | Jim | | Mehlhaff | | Active | General | 11/3/2026 12:00:00 AM | 1014 W Capitol Ave | | Pierre | SD | 57501 | SEN | |
| State Senator | Bryan J. Breitling | IND | 04/21/2026 | District 25 | | | 25032 475TH AVE Dell Rapids SD 57022-5900 | 300 | Bryan | J. | Breitling | | Active | General | 11/3/2026 12:00:00 AM | 25032 475TH AVE | | Dell Rapids | SD | 57022-5900 | SEN | |