Idaho State Senate District 20
Tue, Nov 3 · Represented by Josh Keyser Republican · Member list as of Oct 28
No published poll names both candidates.Last result · 2024 general: Josh Keyser (R) 69.6, Andy Arriaga (D) 30.4
- Last election
- Josh Keyser (Republican) won by 39.2 points, 2024
- On the 2026 ballot
- 2 candidates
Side by side
Left column: KeyserRight column: Wilson
- Races
- Won 1 of 1
- None listed
- Years since first win
- 2
- Not available
How these are counted
Wins and losses count the races in our results files, the same as each profile.
More about this race
Candidates on the ballot
- Pamela Renee WilsonDemocratic
- Josh KeyserIncumbentRepublican
Source: run.voteidaho.gov, dated Oct 28
All State Senate districts
- Democratic
- Republican
- Independent
- Nonpartisan
- More than one party
- No member listed
Map settings
Vote in Idaho
Trouble voting? Election Protection hotline: 866-OUR-VOTE. A nonpartisan coalition of civil-rights and voting-rights groups, not a government service. 866ourvote.org
History (29 elections for this seat)
- Votes for listed candidates
- 27,252
- Election day
- November 5, 2024
- District map
- Older district map (2022 to 2024)
Idaho Senate District 20, 1968 to 2024, 2024, every candidate Candidate Party Votes and share Share RepublicanJosh KeyserWon Republican 18,97169.6% DemocraticAndy Arriaga Democratic 8,28130.4% - Votes for listed candidates
- 13,709
- Election day
- November 8, 2022
- District map
- Older district map (2022)
Idaho Senate District 20, 1968 to 2024, 2022, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 13,709100.0% - Votes for listed candidates
- 21,042
- Election day
- November 3, 2020
- District map
- Older district map (2012 to 2021)
Idaho Senate District 20, 1968 to 2024, 2020, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 21,042100.0% - Votes for listed candidates
- 14,535
- Election day
- November 6, 2018
- District map
- Older district map (2012 to 2021)
Idaho Senate District 20, 1968 to 2024, 2018, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 14,535100.0% - Votes for listed candidates
- 20,312
- Election day
- November 8, 2016
- District map
- Older district map (2012 to 2021)
Idaho Senate District 20, 1968 to 2024, 2016, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 13,78767.9% DemocraticBill Rutherford Democratic 6,52532.1% - Votes for listed candidates
- 10,155
- Election day
- November 4, 2014
- District map
- Older district map (2012 to 2021)
Idaho Senate District 20, 1968 to 2024, 2014, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 10,155100.0% - Votes for listed candidates
- 17,998
- Election day
- November 6, 2012
- District map
- Older district map (2012 to 2021)
Idaho Senate District 20, 1968 to 2024, 2012, every candidate Candidate Party Votes and share Share RepublicanChuck WinderWon(incumbent) Republican 12,30368.4% DemocraticJames Mace Democratic 5,69531.6% - Votes for listed candidates
- 11,731
- Election day
- November 2, 2010
- District map
- Older district map (2002 to 2011)
Idaho Senate District 20, 1968 to 2024, 2010, every candidate Candidate Party Votes and share Share RepublicanShirley McKagueWon(incumbent) Republican 11,731100.0% - Votes for listed candidates
- 20,588
- Election day
- November 4, 2008
- District map
- Older district map (2002 to 2011)
Idaho Senate District 20, 1968 to 2024, 2008, every candidate Candidate Party Votes and share Share RepublicanShirley McKagueWon Republican 14,15368.7% DemocraticLaurynda Williams Democratic 6,43531.3% - Votes for listed candidates
- 13,856
- Election day
- November 7, 2006
- District map
- Older district map (2002 to 2011)
Idaho Senate District 20, 1968 to 2024, 2006, every candidate Candidate Party Votes and share Share RepublicanGerry SweetWon(incumbent) Republican 8,85563.9% DemocraticLaurynda A. Williams Democratic 5,00136.1% - Votes for listed candidates
- 18,947
- Election day
- November 2, 2004
- District map
- Older district map (2002 to 2011)
Idaho Senate District 20, 1968 to 2024, 2004, every candidate Candidate Party Votes and share Share RepublicanGerry SweetWon(incumbent) Republican 13,31070.3% DemocraticSamuel C. McEvoy Democratic 5,63729.8% - Votes for listed candidates
- 12,074
- Election day
- November 5, 2002
- District map
- Older district map (2002 to 2011)
Idaho Senate District 20, 1968 to 2024, 2002, every candidate Candidate Party Votes and share Share RepublicanGerry SweetWon Republican 7,78864.5% DemocraticSam C. McEvoy Democratic 3,85031.9% LibertarianHarmon Avera Jr. Libertarian 4363.6% - Votes for listed candidates
- 7,926
- Election day
- November 7, 2000
- District map
- Older district map (1992 to 2001)
Idaho Senate District 20, 1968 to 2024, 2000, every candidate Candidate Party Votes and share Share RepublicanRobbi Lorene KingbarrutiaWon(incumbent) Republican 7,926100.0% - Votes for listed candidates
- 7,341
- Election day
- November 3, 1998
- District map
- Older district map (1992 to 2001)
Idaho Senate District 20, 1968 to 2024, 1998, every candidate Candidate Party Votes and share Share RepublicanRobbi Lorene KingbarrutiaWon(incumbent) Republican 4,78865.2% DemocraticMary Ann Richards Democratic 2,13929.1% IndependentLeo E. McGhee Independent 4145.6% - Votes for listed candidates
- 9,656
- Election day
- November 5, 1996
- District map
- Older district map (1992 to 2001)
Idaho Senate District 20, 1968 to 2024, 1996, every candidate Candidate Party Votes and share Share RepublicanRobbi Lorene KingbarrutiaWon Republican 6,74069.8% DemocraticMary Ann Richards Democratic 2,91630.2% - Votes for listed candidates
- 7,993
- Election day
- November 8, 1994
- District map
- Older district map (1992 to 2001)
Idaho Senate District 20, 1968 to 2024, 1994, every candidate Candidate Party Votes and share Share DemocraticClaire WetherellWon(incumbent) Democratic 3,60045.0% RepublicanDon Reynolds Republican 3,20240.1% IndependentEric D. Norton Independent 1,19114.9% - Votes for listed candidates
- 7,026
- Election day
- November 3, 1992
- District map
- Older district map (1992 to 2001)
Idaho Senate District 20, 1968 to 2024, 1992, every candidate Candidate Party Votes and share Share DemocraticClaire WetherellWon(incumbent) Democratic 7,026100.0% - Votes for listed candidates
- 11,516
- Election day
- November 6, 1990
- District map
- Older district map (1984 to 1991)
Idaho Senate District 20, 1968 to 2024, 1990, every candidate Candidate Party Votes and share Share DemocraticKarl BrooksWon(incumbent) Democratic 7,26963.1% RepublicanRoland Smith Republican 4,24736.9% - Votes for listed candidates
- 13,214
- Election day
- November 8, 1988
- District map
- Older district map (1984 to 1991)
Idaho Senate District 20, 1968 to 2024, 1988, every candidate Candidate Party Votes and share Share DemocraticKarl BrooksWon(incumbent) Democratic 6,91552.3% RepublicanCheryl A. Schwartz Republican 6,29947.7% - Votes for listed candidates
- 12,172
- Election day
- November 4, 1986
- District map
- Older district map (1984 to 1991)
Idaho Senate District 20, 1968 to 2024, 1986, every candidate Candidate Party Votes and share Share DemocraticKarl BrooksWon Democratic 6,37552.4% RepublicanBernie R. Rakozy(incumbent) Republican 5,79747.6% - Votes for listed candidates
- 12,455
- Election day
- November 6, 1984
- District map
- Older district map (1984 to 1991)
Idaho Senate District 20, 1968 to 2024, 1984, every candidate Candidate Party Votes and share Share RepublicanBernie R. RakozyWon Republican 7,08556.9% DemocraticDaryl S. Sallaz Democratic 5,37043.1% - Votes for listed candidates
- 8,226
- Election day
- November 2, 1982
- District map
- Older district map (1982 to 1983)
Idaho Senate District 20, 1968 to 2024, 1982, every candidate Candidate Party Votes and share Share RepublicanVearl C. CrystalWon(incumbent) Republican 8,226100.0% - Votes for listed candidates
- 10,061
- Election day
- November 4, 1980
- District map
- Older district map (1976 to 1981)
Idaho Senate District 20, 1968 to 2024, 1980, every candidate Candidate Party Votes and share Share RepublicanVearl C. CrystalWon(incumbent) Republican 10,061100.0% - Votes for listed candidates
- 8,853
- Election day
- November 7, 1978
- District map
- Older district map (1976 to 1981)
Idaho Senate District 20, 1968 to 2024, 1978, every candidate Candidate Party Votes and share Share RepublicanVearl C. CrystalWon(incumbent) Republican 5,64163.7% DemocraticJames Ririe Democratic 3,21136.3% OtherGlenn Munkres Other 10.0% - Votes for listed candidates
- 9,816
- Election day
- November 2, 1976
- District map
- Older district map (1976 to 1981)
Idaho Senate District 20, 1968 to 2024, 1976, every candidate Candidate Party Votes and share Share RepublicanVearl C. CrystalWon Republican 6,66667.9% DemocraticDelray Holm Democratic 3,15032.1% - Votes for listed candidates
- 5,917
- Election day
- November 4, 1974
- District map
- Older district map (1974 to 1975)
Idaho Senate District 20, 1968 to 2024, 1974, every candidate Candidate Party Votes and share Share RepublicanJames EllsworthWon(incumbent) Republican 5,917100.0% - Votes for listed candidates
- 9,316
- Election day
- November 7, 1972
- District map
- Older district map (1972 to 1973)
Idaho Senate District 20, 1968 to 2024, 1972, every candidate Candidate Party Votes and share Share RepublicanJames EllsworthWon(incumbent) Republican 6,78072.8% DemocraticGail Loynd Democratic 2,53627.2% - Votes for listed candidates
- 7,503
- Election day
- November 3, 1970
- District map
- Older district map (1966 to 1971)
Idaho Senate District 20, 1968 to 2024, 1970, every candidate Candidate Party Votes and share Share RepublicanJames EllsworthWon(incumbent) Republican 4,60461.4% DemocraticLucille Herndon Democratic 2,89938.6% - Votes for listed candidates
- 6,075
- Election day
- November 5, 1968
- District map
- Older district map (1966 to 1971)
Idaho Senate District 20, 1968 to 2024, 1968, every candidate Candidate Party Votes and share Share RepublicanJames EllsworthWon(incumbent) Republican 6,075100.0%
- 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). Idaho State Senate District 20, election results 1968 to 2024. https://www.electionwrld.com/id/senate/20. Retrieved October 31, 2026.
Embed this seat
<iframe src="https://www.electionwrld.com/embed/id/senate/20" title="Idaho Senate District 20" width="100%" height="400" style="border:0;max-width:640px" loading="lazy"></iframe>
<p style="font-size:13px">Data: <a href="https://www.electionwrld.com">Election Wrld</a>, CC BY 4.0</p>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:id/sldu:20
DataState data (JSON)Sources: State Legislative Election Returns, 1967-2022 (Carl Klarner, Harvard Dataverse), MEDSL 2024 official precinct returnsData as of Oct 28, 2026