The 2020 Idaho Senate election took place as part of the biennial 2020 United States elections. Idaho voters elected state senators in all of the state's 35 senate districts. State senators serve two-year terms in the Idaho Senate.

No seats changed hands in the election, with the closest, the Moscow-based District 5, being within one percentage point of flipping.

Retirements Six incumbents did not run for re-election in 2020. Those incumbents are:

Republicans District 3: Don Cheatham: Retiring District 23: Bert Brackett: Retiring District 30: Dean Mortimer: Retiring District 34: Brent Hill: Retiring

Democrats District 17: Maryanne Jordan: Retiring District 19: Cherie Buckner-Webb: Retiring

Predictions SourceRankingAs of The Cook Political ReportOctober 21, 2020

Results summary + Summary of the November 3, 2020 Idaho Senate election results Party Candidates Votes Seats % Before Up Won After +/– Republican 34 284,487 60.22% 28 28 28 28 Democratic 16 159,391 33.74% 7 7 7 7 Independent 3 22,101 4.68% 0 0 0 0 Libertarian 1 4,916 1.04% 0 0 0 0 Constitution 1 1,528 0.32% 0 0 0 0 Total 472,423 100.0% 35 35 35 35 Source: Idaho Elections Results

Close races

District Winner Margin District 5 Democratic 0.88% District 15 Republican 5.98% District 26 Democratic 12.7%

Summary of results by State Senate district State Senate districtIncumbentPartyElected SenatorParty Idaho 1Jim WoodwardRepJim WoodwardRep Idaho 2Steve VickRepSteve VickRep Idaho 3Don CheathamRepPeter RiggsRep Idaho 4Mary SouzaRepMary SouzaRep Idaho 5David NelsonDemDavid NelsonDem Idaho 6Dan G. JohnsonRepDan G. JohnsonRep Idaho 7Carl CrabtreeRepCarl CrabtreeRep Idaho 8Steven ThaynRepSteven ThaynRep Idaho 9Abby LeeRepAbby LeeRep Idaho 10Jim RiceRepJim RiceRep Idaho 11Patti Anne LodgeRepPatti Anne LodgeRep Idaho 12Todd LakeyRepTodd LakeyRep Idaho 13Jeff AgenbroadRepJeff AgenbroadRep Idaho 14C. Scott GrowRepC. Scott GrowRep Idaho 15Fred MartinRepFred MartinRep Idaho 16Grant BurgoyneDemGrant BurgoyneDem Idaho 17Maryanne JordanDemAlison RabeDem Idaho 18Janie Ward-EngelkingDemJanie Ward-EngelkingDem Idaho 19Cherie Buckner-WebbDemMelissa WintrowDem Idaho 20Chuck WinderRepChuck WinderRep Idaho 21Regina BayerRepRegina BayerRep Idaho 22Lori Den HartogRepLori Den HartogRep Idaho 23Bert BrackettRepChristy ZitoRep Idaho 24Lee HeiderRepLee HeiderRep Idaho 25Jim PatrickRepJim PatrickRep Idaho 26Michelle StennettDemMichelle StennettDem Idaho 27Kelly AnthonRepKelly AnthonRep Idaho 28Jim GuthrieRepJim GuthrieRep Idaho 29Mark NyeDemMark NyeDem Idaho 30Dean MortimerRepKevin CookRep Idaho 31Steve BairRepSteve BairRep Idaho 32Mark HarrisRepMark HarrisRep Idaho 33Dave LentRepDave LentRep Idaho 34Brent HillRepDoug RicksRep Idaho 35Van BurtenshawRepVan BurtenshawRep

Detailed results

See also 2020 Idaho elections

References