Below is a list of candidates that have declared their intent to run for office, or have newly filed campaign finance paperwork declaring their candidacy. This list will be updated periodically.
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US Senate:
John Thune (R-Incumbent)
Brian Bengs (D)
Tamara J. Lesnar (L)
Congress:
Dusty Johnson (R -Incumbent)
Collin Duprel (L)
Governor:
Kristi Noem (R -Incumbent)
Jamie Smith (D) – Real Estate Agent
Ashley Strand (L)
Lt. Governor:
Larry Rhoden (R -Incumbent)
Auditor:
Rich Sattgast (R -Incumbent)
Rene Meyer (L)
Attorney General:
Marty Jackley (R – former AG)
Dave Natvig (R)
Secretary of State:
Steve Barnett (R -Incumbent)
Monae Johnson (R)
Kurt Evans (L)
Treasurer:
Josh Haeder (R -Incumbent)
School & Lands:
Brock Greenfield (R) – State Senator, Businessman
Public Utilities Commission:
Chris Nelson (R -Incumbent)
Legislative Races: (Races Bolded)
| Race | District | Name | Party |
| State Senator | District 01 | Michael H. Rohl | REP |
| State Senator | District 01 | Susan Wismer | IND |
| State Representative | District 01 | Steven D. McCleerey | DEM |
| State Representative | District 01 | Tamara St John | REP |
| State Senator | District 02 | Steve Kolbeck | REP |
| State Representative | District 02 | Gary Leighton | DEM |
| State Representative | District 02 | John Sjaarda | REP |
| State Representative | District 02 | David Kull | REP |
| State Senator | District 03 | Al Novstrup | REP |
| State Representative | District 03 | Emily Meier | DEM |
| State Representative | District 03 | Brandei Schaefbauer | REP |
| State Representative | District 03 | Carl E. Perry | REP |
| State Senator | District 04 | John Wiik | REP |
| State Representative | District 04 | Travis D. Paulson | DEM |
| State Representative | District 04 | Fred Deutsch | REP |
| State Representative | District 04 | Stephanie Sauder | REP |
| State Senator | District 05 | Lee Schoenbeck | REP |
| State Representative | District 05 | Kahden Mooney | DEM |
| State Representative | District 05 | Byron I. Callies | REP |
| State Representative | District 05 | Hugh M. Bartels | REP |
| State Senator | District 06 | Herman Otten | REP |
| State Representative | District 06 | Aaron Aylward | REP |
| State Representative | District 06 | Ernie Otten | REP |
| State Senator | District 07 | Tim Reed | REP |
| State Representative | District 07 | Mary J. Perpich | DEM |
| State Representative | District 07 | Lisa R Johnsen | DEM |
| State Representative | District 07 | Mellissa Heermann | REP |
| State Representative | District 07 | Roger DeGroot | REP |
| State Senator | District 08 | Casey Crabtree | REP |
| State Representative | District 08 | John Mills | REP |
| State Representative | District 08 | Tim Reisch | REP |
| State Senator | District 09 | Brent Hoffman | REP |
| State Representative | District 09 | Nick Winkler | DEM |
| State Representative | District 09 | Kenneth Teunissen | REP |
| State Representative | District 09 | Bethany Soye | REP |
| State Senator | District 10 | Liz Larson | DEM |
| State Senator | District 10 | Maggie Sutton | REP |
| State Representative | District 10 | Erin Healy | DEM |
| State Representative | District 10 | Kameron Nelson | DEM |
| State Representative | District 10 | John G. Mogen | REP |
| State Representative | District 10 | Tom E Sutton | REP |
| State Senator | District 11 | Sheryl L. Johnson | DEM |
| State Senator | District 11 | Jim Stalzer | REP |
| State Representative | District 11 | Margaret Kuipers | DEM |
| State Representative | District 11 | Kim Parke | DEM |
| State Representative | District 11 | Brian K. Mulder | REP |
| State Representative | District 11 | Chris Karr | REP |
| State Senator | District 12 | Jessica Meyers | DEM |
| State Senator | District 12 | Arch Beal | REP |
| State Representative | District 12 | Erin Royer | DEM |
| State Representative | District 12 | Kristin Hayward | DEM |
| State Representative | District 12 | Greg Jamison | REP |
| State Representative | District 12 | Amber Arlint | REP |
| State Senator | District 13 | Jack Kolbeck | REP |
| State Senator | District 13 | Lora Hubbel | IND |
| State Representative | District 13 | Sue Peterson | REP |
| State Representative | District 13 | Tony Venhuizen | REP |
| State Senator | District 14 | Matthew Tysdal | DEM |
| State Senator | District 14 | Larry P. Zikmund | REP |
| State Representative | District 14 | Mike Huber | DEM |
| State Representative | District 14 | Wendy Mamer | DEM |
| State Representative | District 14 | Taylor Rae Rehfeldt | REP |
| State Representative | District 14 | Tyler Tordsen | REP |
| State Senator | District 15 | Reynold F. Nesiba | DEM |
| State Senator | District 15 | Brenda Lawrence | REP |
| State Representative | District 15 | Kadyn Wittman | DEM |
| State Representative | District 15 | Linda Duba | DEM |
| State Representative | District 15 | Joni Tschetter | REP |
| State Representative | District 15 | Matt Rosburg | REP |
| State Senator | District 16 | Donn Larson | DEM |
| State Senator | District 16 | Brian J. Burge | IND |
| State Senator | District 16 | Jim Bolin | REP |
| State Representative | District 16 | Matt Ness | DEM |
| State Representative | District 16 | Kevin D. Jensen | REP |
| State Representative | District 16 | Karla J. Lems | REP |
| State Senator | District 17 | Sydney Davis | REP |
| State Representative | District 17 | Paige Schroeder | DEM |
| State Representative | District 17 | Rebecca “Bekki” Engquist-Schroeder | DEM |
| State Representative | District 17 | Chris Kassin | REP |
| State Representative | District 17 | William “Bill” Shorma | REP |
| State Senator | District 18 | Fredrick Bender | DEM |
| State Senator | District 18 | Jean M. Hunhoff | REP |
| State Representative | District 18 | Jay Williams | DEM |
| State Representative | District 18 | Ryan D. Cwach | DEM |
| State Representative | District 18 | Julie Auch | REP |
| State Representative | District 18 | Mike Stevens | REP |
| State Senator | District 19 | Daniel F. Brandt | DEM |
| State Senator | District 19 | Kyle Schoenfish | REP |
| State Representative | District 19 | Jessica Bahmuller | REP |
| State Representative | District 19 | Drew Peterson | REP |
| State Senator | District 20 | Joshua Klumb | REP |
| State Representative | District 20 | Ben Krohmer | REP |
| State Representative | District 20 | Lance Koth | REP |
| State Senator | District 21 | Dan Andersson | DEM |
| State Senator | District 21 | Erin Tobin | REP |
| State Representative | District 21 | Marty Overweg | REP |
| State Representative | District 21 | Rocky Blare | REP |
| State Senator | District 22 | David Wheeler | REP |
| State Representative | District 22 | Shane Milne | DEM |
| State Representative | District 22 | Lynn Schneider | REP |
| State Representative | District 22 | Roger Chase | REP |
| State Senator | District 23 | Bryan J. Breitling | REP |
| State Representative | District 23 | Scott Moore | REP |
| State Representative | District 23 | James D. Wangsness | REP |
| State Senator | District 24 | Jim Mehlhaff | REP |
| State Representative | District 24 | Mike Weisgram | REP |
| State Representative | District 24 | Will D. Mortenson | REP |
| State Senator | District 25 | Tom Pischke | REP |
| State Representative | District 25 | Dan Ahlers | DEM |
| State Representative | District 25 | David Kills A Hundred | DEM |
| State Representative | District 25 | Jon Hansen | REP |
| State Representative | District 25 | Randy Gross | REP |
| State Senator | District 26 | Shawn Bordeaux | DEM |
| State Senator | District 26 | Joel Koskan | REP |
| State Representative | District 26A | Eric Emery | DEM |
| State Representative | District 26A | Joyce Glynn | REP |
| State Representative | District 26B | Rebecca Reimer | REP |
| State Senator | District 27 | Red Dawn Foster | DEM |
| State Senator | District 27 | David Jones | REP |
| State Representative | District 27 | Norma Rendon | DEM |
| State Representative | District 27 | Peri Pourier | DEM |
| State Representative | District 27 | Bud May | REP |
| State Representative | District 27 | Liz May | REP |
| State Senator | District 28 | Ryan M. Maher | REP |
| State Representative | District 28A | Oren L Lesmeister | DEM |
| State Representative | District 28A | Ralph Lyon | IND |
| State Representative | District 28B | Neal Pinnow | REP |
| State Representative | District 28B | Calvin Reilly | IND |
| State Senator | District 29 | Dean Wink | REP |
| State Representative | District 29 | Kirk Chaffee | REP |
| State Representative | District 29 | Gary L Cammack | REP |
| State Representative | District 29 | Sean Natche | LIB |
| State Senator | District 30 | Julie Frye-Mueller | REP |
| State Representative | District 30 | Bret Swanson | DEM |
| State Representative | District 30 | Dennis Krull | REP |
| State Representative | District 30 | Trish Ladner | REP |
| State Senator | District 31 | Randy Deibert | REP |
| State Representative | District 31 | Scott Odenbach | REP |
| State Representative | District 31 | Mary J. Fitzgerald | REP |
| State Senator | District 32 | Nicole A. Heenan | DEM |
| State Senator | District 32 | Helene Duhamel | REP |
| State Representative | District 32 | Jonathan M. Old Horse | DEM |
| State Representative | District 32 | Christine Stephenson | DEM |
| State Representative | District 32 | Becky J. Drury | REP |
| State Representative | District 32 | Steve Duffy | REP |
| State Senator | District 33 | David Johnson | REP |
| State Representative | District 33 | Darren Freidel | LIB |
| State Representative | District 33 | Curt Massie | REP |
| State Representative | District 33 | Phil Jensen | REP |
| State Representative | District 33 | Vince Vidal | DEM |
| State Senator | District 34 | Michael Diedrich | REP |
| State Representative | District 34 | Darla Drew | DEM |
| State Representative | District 34 | Jay Shultz | DEM |
| State Representative | District 34 | Mike Derby | REP |
| State Representative | District 34 | Jess Olson | REP |
| State Senator | District 35 | Jessica Castleberry | REP |
| State Representative | District 35 | David A. Hubbard | DEM |
| State Representative | District 35 | Pat Cromwell | DEM |
| State Representative | District 35 | Tony Randolph | REP |
| State Representative | District 35 | Tina L Mulally | REP |