South Dakota State Senate District 21
Tue, Nov 3 · Represented by MyKala Voita Republican · Member list as of Oct 28
Dan AnderssonDemocraticMyKala VoitaRepublican · Incumbent2 years since first win
Dan Andersson 23.0MyKala Voita 77.1
Last result · 2024 generalNo published poll names both candidates.
- Last election
- MyKala Voita (Republican) won by 54.1 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: AnderssonRight column: Voita
- Donor-based spectrum
- LiberalCentristConservativeAnderssonNo published score for Voita
- Races
- Won 0 of 3
- Won 1 of 1
- Years since first win
- Not available
- 2
How these are counted
The spectrum is a published research score, not our rating. How this works. Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Dan AnderssonDemocratic
- MyKala VoitaIncumbentRepublican
Some names come from filing lists and may not be on the ballot.
Source: vip.sdsos.gov, dated Oct 28
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Official results for South Dakota
History (29 elections for this seat)
- Votes for listed candidates
- 10,970
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
South Dakota Senate District 21, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanMyKala VoitaWon Republican 8,45277.0% DemocraticDan Andersson Democratic 2,51822.9% - Votes for listed candidates
- 9,747
- Election day
- November 8, 2022
- District map
- Older district map (2022)
South Dakota Senate District 21, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanErin TobinWon(incumbent) Republican 7,97681.8% DemocraticDan Andersson Democratic 1,77118.2% - Votes for listed candidates
- 9,631
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 21, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanErin TobinWon Republican 7,62979.2% DemocraticDan Kerner Andersson Democratic 2,00220.8% - Votes for listed candidates
- 9,062
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 21, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanRocky Dale BlareWon Republican 4,97854.9% DemocraticJulie Bartling Democratic 4,08445.1% - Votes for listed candidates
- 6,701
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 21, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share DemocraticBillie H. SuttonWon(incumbent) Democratic 6,701100.0% - Votes for listed candidates
- 5,821
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 21, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share DemocraticBillie H. SuttonWon(incumbent) Democratic 5,821100.0% - Votes for listed candidates
- 9,625
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 21, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share DemocraticBillie H. SuttonWon(incumbent) Democratic 5,72359.5% RepublicanJohn S. Meyer Republican 3,90240.5% - Votes for listed candidates
- 7,769
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 21, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanCooper GarnosWon(incumbent) Republican 5,56271.6% DemocraticBrandon Sazue Democratic 2,20728.4% - Votes for listed candidates
- 8,813
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 21, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanCooper GarnosWon(incumbent) Republican 6,42872.9% DemocraticCharon Asetoyer Democratic 2,38527.1% - Votes for listed candidates
- 8,622
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 21, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanCooper GarnosWon Republican 5,02258.3% DemocraticMahylen D. Niles Democratic 3,60041.8% - Votes for listed candidates
- 10,382
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 21, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share DemocraticJulie BartlingWon Democratic 7,32570.5% RepublicanStephen N. Cournoyer Jr. Republican 3,05729.4% - Votes for listed candidates
- 9,603
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 21, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share DemocraticSam NachtigalWon Democratic 6,16364.2% RepublicanDavid V. Natvig Republican 3,44035.8% - Votes for listed candidates
- 8,159
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 21, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share DemocraticRon J. VoleskyWon Democratic 5,86371.9% RepublicanWillard Broucek Republican 2,29628.1% - Votes for listed candidates
- 6,676
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 21, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share DemocraticCharles E. FlowersWon(incumbent) Democratic 6,676100.0% - Votes for listed candidates
- 9,256
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 21, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share DemocraticCharles E. FlowersWon(incumbent) Democratic 5,99664.8% RepublicanBen F. Hofer Republican 3,26035.2% - Votes for listed candidates
- 9,085
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 21, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticCharles E. FlowersWon(incumbent) Democratic 5,48660.4% RepublicanChrista Landreth Republican 3,59939.6% - Votes for listed candidates
- 7,889
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 21, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticCharles E. FlowersWon(incumbent) Democratic 7,889100.0% - Votes for listed candidates
- 5,911
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 21, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share RepublicanGeorge ShanardWon(incumbent) Republican 5,911100.0% - Votes for listed candidates
- 8,520
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 21, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanGeorge ShanardWon(incumbent) Republican 4,52253.1% DemocraticMel Olson Democratic 3,99846.9% - Votes for listed candidates
- 8,033
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 21, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share RepublicanGeorge ShanardWon(incumbent) Republican 5,21764.9% DemocraticSylvester Walz Democratic 2,81635.1% - Votes for listed candidates
- 8,792
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 21, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanGeorge ShanardWon(incumbent) Republican 4,90355.8% DemocraticGlen L. Youngstrom Democratic 3,88944.2% - Votes for listed candidates
- 6,153
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1983)
South Dakota Senate District 21, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticBob SamuelsonWon(incumbent) Democratic 3,53957.5% RepublicanDale D. Ingalls Republican 2,61442.5% - Votes for listed candidates
- 8,184
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 21, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticBob SamuelsonWon Democratic 4,25552.0% RepublicanDale D. Ingalls Republican 3,92948.0% - Votes for listed candidates
- 5,820
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 21, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanWilliam L. GramsWon(incumbent) Republican 4,01369.0% DemocraticPaul R. Venhuizen Democratic 1,80731.1% - Votes for listed candidates
- 6,446
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 21, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanWilliam L. GramsWon(incumbent) Republican 3,47854.0% DemocraticBob Samuelson Democratic 2,96846.0% - Votes for listed candidates
- 5,598
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 21, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share RepublicanWilliam L. GramsWon(incumbent) Republican 3,06954.8% DemocraticEarl E. McPherson Democratic 2,52945.2% - Votes for listed candidates
- 5,837
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 21, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanWilliam L. GramsWon(incumbent) Republican 2,92750.1% DemocraticEarl E. McPherson Democratic 2,91049.9% - Votes for listed candidates
- 1,226
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
South Dakota Senate District 21, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanA. W. SpiryWon(incumbent) Republican 1,226100.0% - Votes for listed candidates
- 7,103
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
South Dakota Senate District 21, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanA. W. SpiryWon Republican 4,66065.6% DemocraticGerald Labbe Democratic 2,44334.4%
- 2024: MEDSL 2024 official precinct returns (individual_states zips), retrieved Oct 28, 2026. Compiled by MIT Election Data and Science Lab (MEDSL) from official returns; not an official source
- 1968 to 2022: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), retrieved Oct 28, 2026. Compiled by Carl Klarner (Harvard Dataverse) from official returns; not an official source
Last contest in this district on file: 2024.
Download and cite
Cite this page
Election Wrld. (2026). South Dakota State Senate District 21, election results 1968 to 2024. https://www.electionwrld.com/sd/senate/21. Retrieved October 30, 2026.
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Sources
Sources: Census TIGERweb Legislative MapServer (120th CDs layer 0, 119th CDs layer 4, 2026 SLD upper layer 1 and lower layer 2) (US Census Bureau, public domain), retrieved Oct 28, 2026; Open Civic Data division identifiers (census_autogenerated us_sldl/us_sldu and openstates state files); also (sld-recent.json): Open Civic Data division identifiers (country-us) (CC0 (repository); also (sld-recent.json): CC0 1.0), retrieved Oct 28, 2026; Open States people (current) CSVs (CC0-1.0 (Open States people data)), retrieved Oct 28, 2026, compiled by Open States volunteers and staff (rosters from state legislature sites) from official returns, not an official source; MEDSL 2024 official precinct returns (individual_states zips) (Not stated in the GitHub repository (an earlier label said "MIT (repo)", which the repository does not support). MEDSL's Harvard Dataverse records are CC0 1.0, but these GitHub files were not checksum-matched to the Dataverse files, so CC0 is not claimed for them.), retrieved Oct 28, 2026, compiled by MIT Election Data and Science Lab (MEDSL) from official returns, not an official source; State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse) (CC0 1.0), retrieved Oct 28, 2026, compiled by Carl Klarner (Harvard Dataverse) from official returns, not an official source.
District id: ocd-division/country:us/state:sd/sldu:21
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), DIME (ODC-BY), MEDSL 2024 official precinct returnsData as of Oct 28, 2026