| Name | Chamber | Status | Party | Occupation |
| Halverson, Clayton | House | New Member | Democrat | Farmer |
| Hanson, Gary | Senate | Other House | Democrat | Farmer-Rancher |
| Sigdestad, David | House | Incumbent | Democrat | Farming |
| Name | Chamber | Status | Party | Occupation |
| Dennert, H. Paul | House | Other House | Democrat | Farmer, Cattleman |
| Elliott, Burt | House | Incumbent | Democrat | Teacher/Coach |
| Hundstad, Jim | Senate | Other House | Democrat | Farmer |
| Name | Chamber | Status | Party | Occupation |
| Frost, Larry | House | Incumbent | Republican | Retired Utility Mgr |
| Novstrup, Al | House | Incumbent | Republican | Manager, Family Fun Park |
| Sutton, Duane | Senate | Incumbent | Republican | Businessman |
| Name | Chamber | Status | Party | Occupation |
| Peterson, Jim | Senate | Other House | Democrat | Farmer |
| Rausch, Val | House | New Member | Republican | Self Employed |
| Street, Steve | House | New Member | Democrat | Farmer |
| Name | Chamber | Status | Party | Occupation |
| Faehn, Bob | House | New Member | Republican | Commercial Acct. Mgr. |
| Koistinen, Al | House | Incumbent | Republican | Businessman |
| Schoenbeck, Lee | Senate | Incumbent | Republican | Attorney |
| Name | Chamber | Status | Party | Occupation |
| Fryslie, Art | House | Incumbent | Republican | Farmer |
| Greenfield, Brock | Senate | Incumbent | Republican | State Dir. of SD Right to Life |
| Nelson, Paul | House | New Member | Republican | Farmer/Retired Educator |
| Name | Chamber | Status | Party | Occupation |
| O'Brien, Sean | House | Incumbent | Republican | Attorney |
| Smidt, Orville | Senate | Other House | Republican | US Army (Retired) |
| Tidemann, Larry | House | New Member | Republican | Retired |
| Name | Chamber | Status | Party | Occupation |
| Gassman, David | House | Incumbent | Democrat | Farmer |
| Lange, Gerald | House | Incumbent | Democrat | Ret. Teacher/Farmer |
| Sutton, Dan | Senate | Incumbent | Democrat | Insurance Sales |
| Name | Chamber | Status | Party | Occupation |
| Dempster, Thomas | Senate | Incumbent | Republican | Financial Advisor |
| Peters, Deb | House | New Member | Republican | CPA, Small Business Owner |
| Roberts, Elaine | House | New Member | Democrat | Retired Educator |
| Name | Chamber | Status | Party | Occupation |
| Abdallah, Gene | Senate | Incumbent | Republican | Retired |
| Hunt, Roger | House | New Member | Republican | Attorney, Retired USN |
| Krebs, Shantel | House | New Member | Republican | Shoe Boutique Owner |
| Name | Chamber | Status | Party | Occupation |
| Gant, Jason | Senate | New Member | Republican | Businessman |
| Weems, Keri | House | Incumbent | Republican | Stay-at-Home Mother |
| Willadsen, Mark | House | New Member | Republican | Owner, Insurance Agency |
| Name | Chamber | Status | Party | Occupation |
| Earley, William | Senate | Incumbent | Republican | Retired Banker |
| Murschel, Casey | House | Incumbent | Republican | Homemaker |
| Wick, Hal | House | Incumbent | Republican | Ret Airline Pilot/Businessman |
| Name | Chamber | Status | Party | Occupation |
| Heineman, Phyllis | House | Incumbent | Republican | Homemaker |
| Kelly, Dick | Senate | Incumbent | Republican | Retailer |
| Thompson, Bill | House | Incumbent | Democrat | Retired Teacher |
| Name | Chamber | Status | Party | Occupation |
| Cutler, Joni | House | Incumbent | Republican | Attorney/Department Chair |
| Knudson, Dave | Senate | Incumbent | Republican | Lawyer |
| Tornow, R. Shawn | House | New Member | Republican | Attorney |
| Name | Chamber | Status | Party | Occupation |
| Glenski, Mary | House | Incumbent | Democrat | Ret. School Guidance Counselor |
| Koetzle, Gil | Senate | Incumbent | Democrat | Ret. Prof. Firefighter |
| Miles, Kathy | House | Incumbent | Democrat | Clinic Nurse Manager |
| Name | Chamber | Status | Party | Occupation |
| Broderick, Mike | Senate | New Member | Republican | Retired |
| Dykstra, Joel | House | Incumbent | Republican | Mgr, Intl Business Development |
| Gillespie, Margaret | House | Incumbent | Democrat | Attorney |
| Name | Chamber | Status | Party | Occupation |
| Boomgarden, Jamie | House | New Member | Republican | Physical Therapist |
| Nesselhuf, Ben | Senate | Other House | Democrat | Insurance Agent |
| Schafer, Donna | House | Incumbent | Republican | Retired Teacher |
| Name | Chamber | Status | Party | Occupation |
| Hunhoff, Jean | House | Incumbent | Republican | R.N. |
| Michels, Matthew | House | Incumbent | Republican | Attorney |
| Moore, Garry | Senate | Incumbent | Democrat | Sales |
| Name | Chamber | Status | Party | Occupation |
| Jerke, Gary | House | Govs. Appointment | Republican | Financial Representative |
| Kloucek, Frank | Senate | Incumbent | Democrat | Farmer |
| Putnam, J.E. "Jim" | House | Incumbent | Republican | Promotional Advertising |
| Name | Chamber | Status | Party | Occupation |
| Olson, Ed | Senate | Incumbent | Republican | Communications Specialist |
| Sebert, Lou | House | Incumbent | Republican | Retired--Mfg. Business |
| Vehle, Mike | House | New Member | Republican | Banking |
| Name | Chamber | Status | Party | Occupation |
| Bartling, Julie | Senate | Other House | Democrat | Business Owner |
| Deadrick, Thomas | House | Incumbent | Republican | Attorney |
| Glover, Thomas | House | New Member | Democrat | Farmer/Rancher |
| Name | Chamber | Status | Party | Occupation |
| Haley, Pat | House | New Member | Democrat | Writer |
| Hansen, Tom | Senate | New Member | Republican | Animal Nutritionist |
| Hargens, Dale | House | Incumbent | Democrat | Farming/Ranching |
| Name | Chamber | Status | Party | Occupation |
| Davis, Justin | House | Incumbent | Republican | Agribusiness |
| Duenwald, Jay | Senate | Incumbent | Republican | Farmer |
| Hackl, Tom | House | Incumbent | Republican | Businessman |
| Name | Chamber | Status | Party | Occupation |
| Gray, Bob | Senate | New Member | Republican | Financial Advisor |
| Olson, Ryan | House | Incumbent | Republican | Farmer/Rancher |
| Rounds, Tim | House | Incumbent | Republican | Insurance Agent |
| Name | Chamber | Status | Party | Occupation |
| Kooistra, Clarence | Senate | Incumbent | Republican | Retired Educator |
| Kroger, Michael | House | Incumbent | Democrat | Masonry Restoration Business |
| Rave, Tim | House | Incumbent | Republican | Paramedic Supervisor |
| Name | Chamber | Status | Party | Occupation |
| Garnos, Cooper | House | Incumbent | Republican | Teacher/Rancher/Bus. Owner |
| Jensen, Barry | House | New Member | Republican | Rancher |
| Koskan, John | Senate | Incumbent | Republican | Farmer/Rancher |
| Name | Chamber | Status | Party | Occupation |
| Bradford, Jim | House | Incumbent | Democrat | Teacher |
| Two Bulls, Theresa | Senate | New Member | Democrat | Prosecutor |
| Valandra, Paul | House | Incumbent | Democrat | Self Employed |
| Name | Chamber | Status | Party | Occupation |
| Bogue, Eric | Senate | Incumbent | Republican | Attorney |
| Name | Chamber | Status | Party | Occupation |
| Van Norman, Thomas | House | Incumbent | Democrat | Lawyer |
| Name | Chamber | Status | Party | Occupation |
| Klaudt, Ted | House | Incumbent | Republican | Farmer/Rancher |
| Name | Chamber | Status | Party | Occupation |
| Brunner, Thomas | House | New Member | Republican | Farmer |
| McNenny, Kenneth | Senate | New Member | Republican | Ranching |
| Rhoden, Larry | House | Incumbent | Republican | Rancher |
| Name | Chamber | Status | Party | Occupation |
| Howie, Gordon | House | New Member | Republican | Rancher, Businessman |
| Lintz, Jim | Senate | Other House | Republican | Cattle Rancher |
| Pederson, Gordon | House | Incumbent | Republican | Retired Military |
| Name | Chamber | Status | Party | Occupation |
| Apa, Jerry | Senate | Incumbent | Republican | Retired |
| Hills, Thomas | House | New Member | Republican | Retired College Professor |
| Turbiville, Charles | House | New Member | Republican | Econ Dev Exec Director |
| Name | Chamber | Status | Party | Occupation |
| Adelstein, Stanford | Senate | Other House | Republican | President: NW Engineering Co. |
| Hanks, Alan | House | New Member | Republican | Business Owner |
| Hennies, Thomas | House | Incumbent | Republican | Retired Police Chief |
| Name | Chamber | Status | Party | Occupation |
| Buckingham, Michael | House | Incumbent | Republican | Property Management |
| Duniphan, J.P. | Senate | Incumbent | Republican | Business Owner |
| Van Etten, Don | House | Incumbent | Republican | Retired Surgeon |
| Name | Chamber | Status | Party | Occupation |
| Kraus, Elizabeth | House | Incumbent | Republican | Volunteer (Fmr Medical Tech) |
| McCracken, Royal "Mac" | Senate | Incumbent | Republican | Retired |
| McLaughlin, Ed | House | Incumbent | Republican | Ret. Mayor/Ins./Educator |
| Name | Chamber | Status | Party | Occupation |
| Haverly, Jeffrey | House | Incumbent | Republican | Retired USAF/Business Owner |
| McCoy, Alice | House | Incumbent | Republican | Child Care |
| Napoli, William | Senate | Incumbent | Republican | Antique Car Museum (Owner) |