South Dakota State Senate District 13
Tue, Nov 3 · Represented by Sue Peterson Republican · Member list as of Oct 28
Sue PetersonRepublican · Incumbent2 years since first win
One candidate on the printed ballot.
- Last election
- Sue Peterson (Republican) won by 17.0 points, 2024
- On the 2026 ballot
- 1 candidate
More about this race
Candidates on the ballot
Uncontested
One candidate on the printed ballot.
- Sue PetersonIncumbentRepublican
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
- 14,332
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
South Dakota Senate District 13, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanSue PetersonWon Republican 8,38458.5% DemocraticAli Rae Horsted Democratic 5,94841.5% - Votes for listed candidates
- 10,461
- Election day
- November 8, 2022
- District map
- Older district map (2022)
South Dakota Senate District 13, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanJack KolbeckWon(incumbent) Republican 7,34570.2% IndependentLora Hubbel Independent 3,11629.8% - Votes for listed candidates
- 13,309
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 13, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanJack KolbeckWon(incumbent) Republican 7,49056.3% DemocraticElizabeth Larson Democratic 5,81943.7% - Votes for listed candidates
- 10,909
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 13, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanJack KolbeckWon(incumbent) Republican 5,90754.1% DemocraticMelissa Hiatt Democratic 5,00245.9% - Votes for listed candidates
- 11,499
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 13, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanJack KolbeckWon Republican 6,99760.9% DemocraticDenny Pierson Democratic 4,50239.1% - Votes for listed candidates
- 6,145
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 13, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share RepublicanPhyllis M. HeinemanWon(incumbent) Republican 6,145100.0% - Votes for listed candidates
- 11,018
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
South Dakota Senate District 13, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanPhyllis M. HeinemanWon(incumbent) Republican 6,62360.1% DemocraticSam Khoroosi Democratic 4,39539.9% - Votes for listed candidates
- 8,636
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 13, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanPhyllis M. HeinemanWon Republican 4,85656.2% DemocraticMatt Parker Democratic 3,78043.8% - Votes for listed candidates
- 10,887
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 13, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share DemocraticScott HeidepriemWon(incumbent) Democratic 5,72052.5% RepublicanPhyllis M. Heineman Republican 5,16747.5% - Votes for listed candidates
- 9,897
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 13, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share DemocraticScott N. HeidepriemWon Democratic 5,37854.3% RepublicanDick Kelly(incumbent) Republican 4,51945.7% - Votes for listed candidates
- 11,163
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 13, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanDick KellyWon(incumbent) Republican 6,37357.1% DemocraticJeff Venekamp Democratic 4,79042.9% - Votes for listed candidates
- 10,238
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
South Dakota Senate District 13, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanDick KellyWon Republican 5,73656.0% DemocraticSteven J. Dirksen Democratic 4,50244.0% - Votes for listed candidates
- 8,049
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 13, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanKermit StaggersWon(incumbent) Republican 5,19464.5% DemocraticPenney Dale Democratic 2,85535.5% - Votes for listed candidates
- 5,514
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 13, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanKermit StaggersWon(incumbent) Republican 5,514100.0% - Votes for listed candidates
- 9,244
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 13, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanKermit StaggersWon(incumbent) Republican 5,06054.7% DemocraticJack Billion Democratic 4,18445.3% - Votes for listed candidates
- 8,730
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 13, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share RepublicanKermit StaggersWon Republican 4,68153.6% DemocraticDennis Pierson(incumbent) Democratic 4,04946.4% - Votes for listed candidates
- 9,825
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
South Dakota Senate District 13, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticDennis PiersonWon Democratic 5,01151.0% RepublicanKermit Staggers Republican 4,81449.0% - Votes for listed candidates
- 8,519
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 13, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share RepublicanRichard BelattiWon(incumbent) Republican 4,54653.4% DemocraticDennis Pierson Democratic 3,97346.6% - Votes for listed candidates
- 10,802
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 13, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share RepublicanRichard BelattiWon Republican 5,61952.0% DemocraticDennis Pierson Democratic 5,18348.0% - Votes for listed candidates
- 9,544
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 13, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share RepublicanGary W. HansonWon(incumbent) Republican 4,90651.4% DemocraticThomas K. Wilka Democratic 4,63848.6% - Votes for listed candidates
- 9,568
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
South Dakota Senate District 13, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanGary W. HansonWon(incumbent) Republican 6,25865.4% DemocraticRobert Sivertson Democratic 3,31034.6% - Votes for listed candidates
- 6,227
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1983)
South Dakota Senate District 13, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share DemocraticTim JohnsonWon Democratic 4,50472.3% RepublicanArchie Teigen Republican 1,72327.7% - Votes for listed candidates
- 9,399
- Election day
- November 4, 1980
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 13, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share DemocraticEugene R. MahanWon(incumbent) Democratic 6,31567.2% RepublicanRichard W. Stene Republican 3,08432.8% - Votes for listed candidates
- 7,111
- Election day
- November 7, 1978
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 13, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share DemocraticEugene R. MahanWon(incumbent) Democratic 4,77167.1% RepublicanL. Bleeker Republican 2,34032.9% - Votes for listed candidates
- 8,018
- Election day
- November 2, 1976
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 13, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share DemocraticEugene R. MahanWon(incumbent) Democratic 4,99862.3% RepublicanMilton Ustad Republican 3,02037.7% - Votes for listed candidates
- 6,226
- Election day
- November 4, 1974
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 13, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share DemocraticEugene R. MahanWon(incumbent) Democratic 4,24668.2% IndependentBarry Nelson Independent 1,98031.8% - Votes for listed candidates
- 19
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1981)
South Dakota Senate District 13, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share DemocraticEugene R. MahanWon Democratic 19100.0% - Votes for listed candidates
- 19
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
South Dakota Senate District 13, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanLloyd SchragWon(incumbent) Republican 19100.0% - Votes for listed candidates
- 477
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
South Dakota Senate District 13, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanLloyd SchragWon(incumbent) Republican 477100.0%
- 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 13, election results 1968 to 2024. https://www.electionwrld.com/sd/senate/13. Retrieved October 31, 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:13
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026