The 2024 United States presidential election in Idaho took place on Tuesday, November 5, 2024, as part of the 2024 United States presidential election in which all 50 states plus the District of Columbia participated. Idaho voters chose electors to represent them in the Electoral College via a popular vote. The state of Idaho has 4 electoral votes in the Electoral College, following reapportionment due to the 2020 United States census in which the state neither gained nor lost a seat.

Prior to the election, all major news organizations considered Idaho a solid red state; a sparsely populated Mountain state with an overwhelmingly White populace, a large Mormon population, and an evangelical predominance, Idaho is one of the most staunchly conservative states in the U.S., with the only Democratic presidential candidate to carry the state after Harry Truman in 1948 being landslide winner Lyndon B. Johnson in 1964, and Republicans having never won the state's electoral votes by less than 13% since.

As expected, Republican Donald Trump overwhelmingly won Idaho, taking 66.9% of the vote to Democrat Kamala Harris' 30.4% and winning the state by 36.5%, well above his 30.8% in 2020 and his 31.8% in 2016, and the widest presidential margin of victory in Idaho since George W. Bush's 38.1% in 2004. Idaho was Trump's third strongest state nationwide, only behind West Virginia and neighboring Wyoming.

This was the first election in which Teton County, Idaho voted for a Democrat who lost the presidential election.

Primary elections The Idaho Legislature passed HB 138 during the 2023 legislative session, resulting in the elimination of the state-run primary for all parties. The legislature did not restore the state-run primary by the October 1 deadline, and both the major parties in the state opted to operate and fund firehouse nominations for president.

Republican primary

The Idaho Republican primary was held on March 2, 2024, alongside primaries in Hawaii, Mississippi, Missouri, and Washington.

Democratic caucuses

The Idaho Democratic presidential caucuses were held on May 23, 2024.

General election Candidates The official list of certified candidates was finalized by Idaho secretary of state Phil McGrane on September 4, 2024, with the following nine candidates qualifying: Kamala Harris / Tim Walz – Democratic Donald Trump / JD Vance – Republican Joel Skousen / Rik Combs – Constitution Chase Oliver / Mike ter Maat – Libertarian Shiva Ayyadurai / Crystal Ellis – independent Claudia De la Cruz / Karina Garcia – independent Robert F. Kennedy Jr. / Nicole Shanahan – independent Jill Stein / Butch Ware – independent Randall Terry / Stephen Broden – independent Despite Terry being the nominee of the national Constitution Party, the state party dissented and chose to nominate Joel Skousen. Terry then petitioned to appear on the ballot as an independent candidate.

Predictions SourceRankingAs of Cook Political Report December 19, 2023 Inside Elections April 26, 2023 Sabato's Crystal Ball June 29, 2023 Decision Desk HQ/The Hill December 14, 2023 CNalysis December 30, 2023 CNN January 14, 2024 The Economist June 12, 2024538 June 11, 2024RCP June 26, 2024 NBC News October 6, 2024

Polling Donald J. Trump vs. Joe Biden

Poll source Date(s)administered Samplesize Marginof error Donald J.Trump JoeBiden Other /Undecided July 21, 2024 Joe Biden withdraws from the race.John Zogby StrategiesApril 13–21, 2024309 (LV)–60%30%10%Emerson CollegeOctober 1–4, 2023490 (RV)± 4.4%55%26%19%

Donald J. Trump vs. Robert F. Kennedy Jr. Poll source Date(s)administered Samplesize Marginof error Donald J.Trump RobertKennedy Jr. Other /UndecidedJohn Zogby StrategiesApril 13–21, 2024309 (LV)–54%32%14%

Robert F. Kennedy Jr. vs. Joe Biden Poll source Date(s)administered Samplesize Marginof error RobertKennedy Jr. JoeBiden Other /UndecidedJohn Zogby StrategiesApril 13–21, 2024309 (LV)–60%25%15%

Results

By county Countyhttps://uselectionatlas.org/RESULTS/state.php?year=2024&fips=16&f=0&off=0&elect=0Donald TrumpRepublicanKamala HarrisDemocraticVarious candidatesOther partiesMarginTotal#%#%#%#%Ada143,75953.36%116,11643.10%9,5583.54%27,64310.34%267,419Adams2,03775.98%57721.52%672.50%1,46054.46%2,681Bannock24,32960.86%14,30635.79%1,3413.35%10,02325.07%39,976Bear Lake2,90887.46%34610.41%712.13%2,56277.05%3,325Benewah4,09479.57%93518.17%1162.26%3,15961.40%5,145Bingham16,18878.39%3,87818.78%5852.83%12,31059.61%20,651Blaine4,28132.71%8,42464.36%3842.93%-4,143-31.65%13,089Boise3,72775.91%1,06521.69%1182.40%2,66254.22%4,910Bonner21,35271.87%7,65025.75%7082.38%13,70246.12%29,710Bonneville40,05370.97%14,45825.62%1,9253.41%25,59545.35%56,436Boundary5,79481.49%1,14516.10%1712.41%4,64965.39%7,110Butte1,26884.87%18512.38%412.75%1,08372.49%1,494Camas54775.14%15321.02%283.84%39454.12%728Canyon72,75572.01%25,66925.41%2,6062.58%47,08646.60%101,030Caribou2,90684.09%44512.88%1053.03%2,46171.21%3,456Cassia7,95983.27%1,35914.22%2402.51%6,60069.05%9,558Clark28084.08%5015.02%30.90%23069.06%333Clearwater3,55080.32%77417.51%962.17%2,77662.81%4,420Custer1,99875.40%58622.11%662.49%1,41253.29%2,650Elmore7,79173.00%2,61124.47%2702.53%5,18048.53%10,672Franklin6,27987.40%7039.79%2022.81%5,57677.61%7,184Fremont5,64582.98%95414.02%2043.00%4,69168.96%6,803Gem8,70781.99%1,69916.00%2142.01%7,00865.99%10,620Gooding4,67679.01%1,10018.59%1422.40%3,57660.42%5,918Idaho8,14882.58%1,46014.80%2592.62%6,68867.78%9,867Jefferson13,48185.21%1,89111.95%4482.84%11,59073.26%15,820Jerome6,01275.66%1,74221.92%1922.42%4,27053.74%7,946Kootenai72,05974.78%22,11322.95%2,1932.27%49,94651.83%96,365Latah10,66952.14%9,03944.18%7533.68%1,6307.97%20,461Lemhi3,71676.24%1,03821.30%1202.46%2,67854.94%4,874Lewis1,50381.42%30516.52%382.06%1,19864.90%1,846Lincoln1,46676.47%39220.45%593.08%1,07456.02%1,917Madison13,92580.20%2,76715.94%6713.86%11,15864.26%17,363Minidoka6,40180.54%1,37317.27%1742.19%5,02863.27%7,948Nez Perce13,70768.08%5,92829.44%5002.48%7,77938.64%20,135Oneida2,11986.24%25310.30%853.46%1,86675.94%2,457Owyhee4,10182.85%75615.27%931.88%3,34567.58%4,950Payette9,45880.42%2,06417.55%2392.03%7,39462.87%11,761Power2,14671.04%78525.98%902.98%1,36145.06%3,021Shoshone4,50073.39%1,47224.01%1602.60%3,02849.38%6,132Teton3,00544.86%3,46351.70%2303.44%-458-6.84%6,698Twin Falls27,30473.04%9,06424.25%1,0152.71%18,24048.79%37,383Valley4,21458.20%2,86939.63%1572.17%1,34518.57%7,240Washington4,42979.73%1,01018.18%1162.09%3,41961.55%5,555Totals605,24666.87%274,97230.38%24,8392.74%330,27436.49%905,057 County that flipped from Democratic to Republican Latah (largest city: Moscow)

By congressional district Trump won both congressional districts.https://davesredistricting.org/maps#viewmap::ebc8cec8-b919-4a66-9b42-9cf5bf7e02a1

District Trump Harris Representative 71.29% 26.24%Russ Fulcher 61.83% 35.11%Mike Simpson

Analysis Trump flipped the Panhandle county of Latah, anchored by the college town of Moscow, becoming the first Republican to win the county since Bush in 2004; and with nearly an 8% margin of victory, having the best showing for a presidential candidate there since Bush's 16.3% margin in 2000. He also became the first Republican to win the White House without winning Teton County since it was established in 1915. He also recovered his margins in larger urban areas, winning Ada County — home to the state capital and largest city Boise — by a double-digit margin for the first time in his electoral history.

See also United States presidential elections in Idaho 2024 United States presidential election 2024 Democratic Party presidential primaries 2024 Republican Party presidential primaries 2024 United States elections

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