Idaho — Elections 1892–2024

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−44.2%
1896	+56.8%
1900	+3.8%
1904	−40.4%
1908	−16.9%
1912	+1.1%
1916	+10.9%
1920	−31.3%
1924	−30.8%
1928	−29.3%
1932	+20.4%
1936	+29.8%
1940	+9.1%
1944	+3.5%
1948	+2.7%
1952	−31.0%
1956	−22.4%
1960	−7.6%
1964	+1.8%
1968	−26.1%
1972	−38.2%
1976	−22.8%
1980	−41.3%
1984	−46.0%
1988	−26.1%
1992	−13.6%
1996	−18.5%
2000	−39.5%
2004	−38.1%
2008	−25.4%
2012	−31.9%
2016	−31.8%
2020	−30.8%
2024	−36.5%

DemocraticRepublican

34 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year	Won	Democratic	Republican	Other	Margin	Swing	vs U.S.	Total
2024	R	30.4%Harris274,972	66.9%Trump605,246	1.4%Kennedy12,812 +8	R+36.5	R+5.7	R+35.0	905,057
All 11 candidates in 2024 · 9 minor / independent Donald J. TrumpRepublican66.9%605,246 Kamala D. HarrisDemocratic30.4%274,972 Robert F. Jr. KennedyIndependent1.4%12,812 Chase OliverLibertarian0.5%4,462 Jill SteinIndependent0.3%2,973 Joel SkousenConstitutional0.2%1,577 Claudia De La CruzIndependent0.1%1,230 Randall TerryIndependent0.1%1,026 Shiva AyyaduraiIndependent0.1%514 Peter Sonski (write-in)Write-In0.0%242 Brian Larry Kienitz (write-in)Write-In0.0%3
2020	R	33.1%Biden287,021	63.8%Trump554,119	1.9%Jorgensen16,404 +12	R+30.8	D+1.0	R+35.2	868,014
All 15 candidates in 2020 · 13 minor / independent Donald J. TrumpRepublican63.8%554,119 Joseph R. Jr. BidenDemocratic33.1%287,021 Jo JorgensenLibertarian1.9%16,404 Kanye WestIndependent0.4%3,632 Brock PierceIndependent0.3%2,808 Don BlankenshipConstitution Party0.2%1,886 Roque ""rocky"" De La FuenteIndependent0.2%1,491 Howie Hawkins (write-in)Write-In0.0%407 Brian Carroll (write-in)Write-In0.0%163 Gloria Estella La Riva (write-in)Write-In0.0%49 Jade Simmons (write-in)Write-In0.0%21 Tom Hoefling (write-in)Write-In0.0%7 Shawn W. Howard (write-in)Write-In0.0%4 Chris Franklin (write-in)Write-In0.0%1 Todd Cella (write-in)Write-In0.0%1
2016	R	27.5%Clinton189,765	59.3%Trump409,055	8.8%Mcmullin60,748 +2	R+31.8	D+0.1	R+33.9	690,255
All 5 candidates in 2016 · 3 minor / independent Donald J. TrumpRepublican59.3%409,055 Hillary ClintonDemocratic27.5%189,765 Evan McmullinIndependent8.8%60,748 Gary JohnsonLibertarian4.1%28,331 Darrell L. CastleConstitution Party0.3%2,356
2012	R	32.6%Obama212,787	64.5%Romney420,911	1.4%Johnson9,453 +2	R+31.9	R+6.5	R+35.8	652,274
All 5 candidates in 2012 · 3 minor / independent Mitt RomneyRepublican64.5%420,911 Barack H. ObamaDemocratic32.6%212,787 Gary JohnsonLibertarian1.4%9,453 OtherAll other candidates1.1%6,901 Virgil Hamlin, Jr. GoodeConstitution Party0.3%2,222
2008	R	36.0%Obama236,440	61.4%McCain403,012	1.1%Nader7,175 +3	R+25.4	D+12.7	R+32.6	656,390
All 6 candidates in 2008 · 4 minor / independent John MccainRepublican61.4%403,012 Barack H. ObamaDemocratic36.0%236,440 Ralph NaderIndependent1.1%7,175 Charles ""chuck"" BaldwinConstitution Party0.7%4,747 Bob BarrLibertarian0.6%3,658 OtherAll other candidates0.2%1,358
2004	R	30.3%Kerry181,098	68.4%Bush409,235	0.6%Badnarik3,844 +3	R+38.1	D+1.4	R+35.7	598,447
All 6 candidates in 2004 · 4 minor / independent George W. BushRepublican68.4%409,235 John KerryDemocratic30.3%181,098 Michael BadnarikLibertarian0.6%3,844 Michael PeroutkaConstitution Party0.5%3,084 Ralph NaderIndependent0.2%1,115 OtherAll other candidates0.0%71
2000	R	27.6%Gore138,637	67.2%Bush336,937	2.5%Nader12,292 +5	R+39.5	R+21.0	R+40.1	501,621
All 8 candidates in 2000 · 6 minor / independent George W. BushRepublican67.2%336,937 Al GoreDemocratic27.6%138,637 Ralph Nader (write-in)Write-In2.5%12,292 Patrick ""pat"" BuchananReform Party1.5%7,615 Harry BrowneLibertarian0.7%3,488 Howard PhillipsConstitution Party0.3%1,469 John HagelinNatural Law0.2%1,177 OtherAll other candidates0.0%6
1996	R	33.6%Clinton165,443	52.2%Dole256,595	12.7%Perot62,518 +3	R+18.5	R+4.9	R+27.1	491,711
All 6 candidates in 1996 · 4 minor / independent Robert DoleRepublican52.2%256,595 Bill ClintonDemocratic33.6%165,443 Ross PerotReform Party12.7%62,518 Harry BrowneLibertarian0.7%3,325 Howard PhillipsU.S. Taxpayers Party0.5%2,230 John HagelinNatural Law0.3%1,600
1992	R	28.4%Clinton137,013	42.0%Bush202,645	27.0%Perot130,395 +2	R+13.6	D+12.5	R+19.2	482,114
All 5 candidates in 1992 · 3 minor / independent George H.W. BushRepublican42.0%202,645 Bill ClintonDemocratic28.4%137,013 Ross PerotIndependent27.0%130,395 James ""bo"" GritzIndependent2.3%10,894 Andre MarrouLibertarian0.2%1,167
1988	R	36.0%Dukakis147,272	62.1%Bush253,881	1.3%Paul5,313 +1	R+26.1	D+19.9	R+18.3	408,968
All 4 candidates in 1988 · 2 minor / independent George H.W. BushRepublican62.1%253,881 Michael DukakisDemocratic36.0%147,272 Ronald ""ron"" PaulLibertarian1.3%5,313 Lenora FulaniIndependent0.6%2,502
1984	R	26.4%Mondale108,510	72.4%Reagan297,523	0.7%Bergland2,823 +1	R+46.0	R+4.7	R+27.8	411,144
All 4 candidates in 1984 · 2 minor / independent Ronald ReaganRepublican72.4%297,523 Walter MondaleDemocratic26.4%108,510 David BerglandLibertarian0.7%2,823 Bob RichardsPopulist0.6%2,288
1980	R	25.2%Carter110,192	66.5%Reagan290,699	6.2%Anderson27,058 +2	R+41.3	R+18.5	R+31.5	437,431
All 5 candidates in 1980 · 3 minor / independent Ronald ReaganRepublican66.5%290,699 Jimmy CarterDemocratic25.2%110,192 John B. AndersonIndependent6.2%27,058 Edward ""ed"" ClarkLibertarian1.9%8,425 John RarickAmerican Independent Party0.2%1,057
1976	R	37.1%Carter126,549	59.9%Ford204,151	1.7%Maddox5,935 +2	R+22.8	D+15.4	R+24.8	340,932
All 5 candidates in 1976 · 3 minor / independent Gerald FordRepublican59.9%204,151 Jimmy CarterDemocratic37.1%126,549 Lester MaddoxAmerican1.7%5,935 Roger MacbrideLibertarian1.0%3,558 Lyndon, Jr. LaroucheU.S. Labor0.2%739
1972	R	26.0%McGovern80,826	64.2%Nixon199,384	9.7%	R+38.2	R+12.1	R+15.0	310,379
1968	R	30.7%Humphrey89,273	56.8%Nixon165,369	12.5%	R+26.1	R+28.0	R+25.4	291,183
1964	D	50.9%Johnson148,920	49.1%Goldwater143,557	0.0%	D+1.8	D+9.4	R+20.7	292,477
1960	R	46.2%Kennedy138,853	53.8%Nixon161,597	0.0%	R+7.6	D+14.8	R+7.7	300,450
1956	R	38.8%Stevenson105,868	61.2%Eisenhower166,979	0.0%	R+22.4	D+8.6	R+7.0	272,847
1952	R	34.4%Stevenson95,081	65.4%Eisenhower180,707	0.2%	R+31.0	R+33.7	R+20.2	276,231
1948	D	50.0%Truman107,370	47.3%Dewey101,514	2.8%	D+2.7	R+0.8	R+1.8	214,816
1944	D	51.6%Roosevelt107,399	48.1%Dewey100,137	0.4%	D+3.5	R+5.6	R+4.0	208,321
1940	D	54.4%Roosevelt127,842	45.3%Willkie106,553	0.3%	D+9.1	R+20.7	R+0.9	235,168
1936	D	63.0%Roosevelt125,683	33.2%Landon66,256	3.8%	D+29.8	D+9.4	D+5.5	199,617
1932	D	58.7%Roosevelt109,479	38.3%Hoover71,417	3.1%	D+20.4	D+49.7	D+2.6	186,625
1928	R	34.9%Smith52,926	64.2%Hoover97,322	0.9%	R+29.3	D+1.5	R+11.8	151,541
1924	R	16.4%Davis24,256	47.1%Coolidge69,879	36.5%La Follette54,160	R+30.8	D+0.5	R+5.6	148,295
1920	R	34.3%Cox46,579	65.6%Harding88,975	0.1%	R+31.3	R+42.2	R+5.1	135,624
1916	D	52.0%Wilson70,054	41.1%Hughes55,368	6.8%	D+10.9	D+9.9	D+7.8	134,615
1912	O	32.1%Wilson33,921	31.0%Taft32,810	36.9%	Roosevelt +4.8	D+18.0	R+18.5	105,754
1908	R	37.2%Bryan36,195	54.1%Taft52,654	8.8%	R+16.9	D+23.5	R+7.3	97,385
1904	R	25.5%Parker18,480	65.8%Roosevelt47,792	8.7%	R+40.4	R+44.1	R+20.7	72,586
1900	D	50.7%Bryan29,414	47.0%McKinley27,237	2.3%	D+3.8	R+53.1	D+11.3	57,981
1896	D	78.1%Bryan23,192	21.3%McKinley6,324	0.6%	D+56.8	D+101.0	D+62.9	29,689
1892	O	0.0%Cleveland2	44.2%Harrison8,563	55.8%	Weaver +11.6	—	R+45.8	19,373

2026 election

On the ballot

Governor

Brad LittlenomineeTerri PickensnomineeJohn Stegner

Incumbent Brad Little (R) won the May 19 primary (~59%) for a third term; Democrat Terri Pickens won her primary (~61%). Notable independent: retired Idaho Supreme Court Justice John Stegner is a confirmed general-election candidate (strong fundraising). Minor general-election candidates also include a Libertarian, an independent, and a Constitution Party candidate.

Full 2026 forecast →

U.S. Senate

Jim RischnomineeTodd AchillesnomineeDavid RothnomineeMatt Loesbynominee

Primary held May 19, 2026. Incumbent Jim Risch (R) is seeking a fourth term and won the GOP nomination (~67.3%). David Roth (D, 2022 nominee) won the Democratic primary (~61.9%). Matt Loesby is the Libertarian nominee. Independents Todd Achilles (former Democratic state representative) and Natalie Fleming qualified for the Nov 3 general-election ballot via petition.

Full 2026 forecast →

Congressional elections · 50 House races · 16 Senate races

U.S. House

Source · MIT Election Lab (MEDSL), House. CC-BY 4.0. Seat totals count district winners; vote shares aggregate every district.
Seats won	D %	R %	Total
R 2	28.0%	66.5%	873,704
R 2	31.0%	67.7%	583,628
R 2	30.1%	66.1%	849,909
R 2	34.8%	61.8%	595,724

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	Democratic	Republican	Total
2022	R	28.7%169,808	60.7%358,539	590,890
2020	R	33.2%285,864	62.6%538,446	859,827
2016	R	27.7%188,249	66.1%449,017	678,943
2014	R	34.7%151,574	65.3%285,596	437,170
2010	R	24.9%112,057	71.2%319,953	449,439
2008	R	34.1%219,903	57.7%371,744	644,777
2004	R	0.0%0	100.0%499,796	499,796
2002	R	32.5%132,975	65.2%266,215	408,544
1998	R	28.4%107,375	69.5%262,966	378,174
1996	R	39.9%198,422	57.0%283,532	497,233
1992	R	43.5%208,036	56.5%270,468	478,504
1990	R	38.7%122,295	61.3%193,641	315,936
1986	R	48.4%185,066	51.6%196,958	382,024
1984	R	26.0%105,591	72.2%293,193	406,168
1980	R	48.8%214,439	49.7%218,701	439,647
1978	R	31.6%89,635	68.4%194,412	284,047

voter registration

Registered voters

By party of registration, over time

Party registration · 2024R+46.4

Presidential vote · 2024R+36.5

Registration leans Republican; the presidential vote runs 9.9 points more Republican.

DemocraticRepublicanUnaffiliatedOther parties

Voter registration in Idaho
Year	Total registered	Democratic	Republican	Unaffiliated	Other
2018	846,433	103,501	433,305	299,092	10,535
2020	1,010,991	141,842	532,049	322,983	14,117
2022	1,006,180	130,637	580,188	279,957	15,398
2024	1,069,711	136,278	632,320	284,608	16,505

domestic migration

Who moves in and out

Net domestic migration over time

+19,915 net domestic migration · 2025

20112025

Net +244,498 over 2011–2025 · gain loss

Domestic migration in Idaho in Idaho: net domestic migration by year
Year	Net domestic migration
2011	+528
2012	−718
2013	+3,543
2014	+8,482
2015	+6,763
2016	+18,541
2017	+25,007
2018	+24,020
2019	+27,360
2021	+52,350
2022	+28,019
2023	+14,713
2024	+15,975
2025	+19,915

Two recreation counties — Sun Valley’s Blaine and the Tetons’ Teton — are the whole of the Democratic map in a state Trump carried by 36.5 points.

Reddest and widening: R+30.8 (2020) → R+36.5 (2024) — moving away from competitive as the nation shifted ~6 pts to Trump · MIT Election Lab
The Latter-day Saint east: Franklin R+77.6, Bear Lake R+77.1, Oneida R+75.9 — the deepest Republican ground, along the Utah line · MIT Election Lab 2024
2nd-largest LDS share: 22.1% Latter-day Saints — 2nd of 50, behind only Utah; 50.2% claim no affiliation · 2020 U.S. Religion Census
The whole Democratic map: Only Blaine (Sun Valley, D+31.7) and Teton (D+6.8) of 44 counties — both recreation, not agriculture · MIT Election Lab 2024
Boise the least-red big county: Ada County (Boise, ~⅓ of the vote) R+10.3; Latah (U. of Idaho, Moscow) R+8.0 — nearest of all, still Republican · MIT Election Lab 2024
Two races in 2026: Gov. Little (R) vs Pickens (D) and ind. Stegner; Sen. Risch (R) vs Roth (D) — May 19 primary · Akashic 2026 forecast

Political twins — states

The states whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Wyoming

93.7twin score

2000–2012 trajectory≠ population scale

Kansas

80.3twin score

2004–2016 trajectory≠ 12-yr trend

Nebraska

75.6twin score

2000–2016 trajectory≠ Scottish ancestry

Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

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Largest cities in Idaho

Idaho at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2022 Governorstate + county2022 US Houseall districts2024

Places within Idaho

44counties 17metro areas 3combined areas 3media markets 2congressional districts 35state senate districts 35state house districts

Frequently asked questions

How did Idaho vote in 2024?

In 2024, Idaho voted Republican by 36.5 points (R+36.5), carried by the Republican candidate. Out of 905,057 votes cast, 274,972 went Democratic and 605,246 went Republican.

When did Idaho last vote Democratic?

The most recent presidential election in which Idaho voted Democratic was 1964.

How many people live in Idaho?

Idaho has a population of 1,934,262 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Idaho?

Median household income in Idaho is $77,800 — below the national median of $80,734. The Idaho state median is $77,800.

What is the political history of Idaho?

Akashic tracks 34 presidential elections in Idaho from 1892 to 2024. Of those, 9 went Democratic and 23 went Republican.

presidential history

Presidential margin, 1892–2024

Democratic minus Republican, by election

Presidential margin over time
Year	Margin (D minus R)
1892	−44.2%
1896	+56.8%
1900	+3.8%
1904	−40.4%
1908	−16.9%
1912	+1.1%
1916	+10.9%
1920	−31.3%
1924	−30.8%
1928	−29.3%
1932	+20.4%
1936	+29.8%
1940	+9.1%
1944	+3.5%
1948	+2.7%
1952	−31.0%
1956	−22.4%
1960	−7.6%
1964	+1.8%
1968	−26.1%
1972	−38.2%
1976	−22.8%
1980	−41.3%
1984	−46.0%
1988	−26.1%
1992	−13.6%
1996	−18.5%
2000	−39.5%
2004	−38.1%
2008	−25.4%
2012	−31.9%
2016	−31.8%
2020	−30.8%
2024	−36.5%

DemocraticRepublican

34 presidential elections

Third column names the leading third-party or independent finisher. Source · MIT Election Lab · ICPSR · VEST (precinct-level 2024). Swing · margin change from the prior cycle. vs U.S. · margin relative to the national result that year.
Year	Won	Democratic	Republican	Other	Margin	Swing	vs U.S.	Total
2024	R	30.4%Harris274,972	66.9%Trump605,246	1.4%Kennedy12,812 +8	R+36.5	R+5.7	R+35.0	905,057
All 11 candidates in 2024 · 9 minor / independent Donald J. TrumpRepublican66.9%605,246 Kamala D. HarrisDemocratic30.4%274,972 Robert F. Jr. KennedyIndependent1.4%12,812 Chase OliverLibertarian0.5%4,462 Jill SteinIndependent0.3%2,973 Joel SkousenConstitutional0.2%1,577 Claudia De La CruzIndependent0.1%1,230 Randall TerryIndependent0.1%1,026 Shiva AyyaduraiIndependent0.1%514 Peter Sonski (write-in)Write-In0.0%242 Brian Larry Kienitz (write-in)Write-In0.0%3
2020	R	33.1%Biden287,021	63.8%Trump554,119	1.9%Jorgensen16,404 +12	R+30.8	D+1.0	R+35.2	868,014
All 15 candidates in 2020 · 13 minor / independent Donald J. TrumpRepublican63.8%554,119 Joseph R. Jr. BidenDemocratic33.1%287,021 Jo JorgensenLibertarian1.9%16,404 Kanye WestIndependent0.4%3,632 Brock PierceIndependent0.3%2,808 Don BlankenshipConstitution Party0.2%1,886 Roque ""rocky"" De La FuenteIndependent0.2%1,491 Howie Hawkins (write-in)Write-In0.0%407 Brian Carroll (write-in)Write-In0.0%163 Gloria Estella La Riva (write-in)Write-In0.0%49 Jade Simmons (write-in)Write-In0.0%21 Tom Hoefling (write-in)Write-In0.0%7 Shawn W. Howard (write-in)Write-In0.0%4 Chris Franklin (write-in)Write-In0.0%1 Todd Cella (write-in)Write-In0.0%1
2016	R	27.5%Clinton189,765	59.3%Trump409,055	8.8%Mcmullin60,748 +2	R+31.8	D+0.1	R+33.9	690,255
All 5 candidates in 2016 · 3 minor / independent Donald J. TrumpRepublican59.3%409,055 Hillary ClintonDemocratic27.5%189,765 Evan McmullinIndependent8.8%60,748 Gary JohnsonLibertarian4.1%28,331 Darrell L. CastleConstitution Party0.3%2,356
2012	R	32.6%Obama212,787	64.5%Romney420,911	1.4%Johnson9,453 +2	R+31.9	R+6.5	R+35.8	652,274
All 5 candidates in 2012 · 3 minor / independent Mitt RomneyRepublican64.5%420,911 Barack H. ObamaDemocratic32.6%212,787 Gary JohnsonLibertarian1.4%9,453 OtherAll other candidates1.1%6,901 Virgil Hamlin, Jr. GoodeConstitution Party0.3%2,222
2008	R	36.0%Obama236,440	61.4%McCain403,012	1.1%Nader7,175 +3	R+25.4	D+12.7	R+32.6	656,390
All 6 candidates in 2008 · 4 minor / independent John MccainRepublican61.4%403,012 Barack H. ObamaDemocratic36.0%236,440 Ralph NaderIndependent1.1%7,175 Charles ""chuck"" BaldwinConstitution Party0.7%4,747 Bob BarrLibertarian0.6%3,658 OtherAll other candidates0.2%1,358
2004	R	30.3%Kerry181,098	68.4%Bush409,235	0.6%Badnarik3,844 +3	R+38.1	D+1.4	R+35.7	598,447
All 6 candidates in 2004 · 4 minor / independent George W. BushRepublican68.4%409,235 John KerryDemocratic30.3%181,098 Michael BadnarikLibertarian0.6%3,844 Michael PeroutkaConstitution Party0.5%3,084 Ralph NaderIndependent0.2%1,115 OtherAll other candidates0.0%71
2000	R	27.6%Gore138,637	67.2%Bush336,937	2.5%Nader12,292 +5	R+39.5	R+21.0	R+40.1	501,621
All 8 candidates in 2000 · 6 minor / independent George W. BushRepublican67.2%336,937 Al GoreDemocratic27.6%138,637 Ralph Nader (write-in)Write-In2.5%12,292 Patrick ""pat"" BuchananReform Party1.5%7,615 Harry BrowneLibertarian0.7%3,488 Howard PhillipsConstitution Party0.3%1,469 John HagelinNatural Law0.2%1,177 OtherAll other candidates0.0%6
1996	R	33.6%Clinton165,443	52.2%Dole256,595	12.7%Perot62,518 +3	R+18.5	R+4.9	R+27.1	491,711
All 6 candidates in 1996 · 4 minor / independent Robert DoleRepublican52.2%256,595 Bill ClintonDemocratic33.6%165,443 Ross PerotReform Party12.7%62,518 Harry BrowneLibertarian0.7%3,325 Howard PhillipsU.S. Taxpayers Party0.5%2,230 John HagelinNatural Law0.3%1,600
1992	R	28.4%Clinton137,013	42.0%Bush202,645	27.0%Perot130,395 +2	R+13.6	D+12.5	R+19.2	482,114
All 5 candidates in 1992 · 3 minor / independent George H.W. BushRepublican42.0%202,645 Bill ClintonDemocratic28.4%137,013 Ross PerotIndependent27.0%130,395 James ""bo"" GritzIndependent2.3%10,894 Andre MarrouLibertarian0.2%1,167
1988	R	36.0%Dukakis147,272	62.1%Bush253,881	1.3%Paul5,313 +1	R+26.1	D+19.9	R+18.3	408,968
All 4 candidates in 1988 · 2 minor / independent George H.W. BushRepublican62.1%253,881 Michael DukakisDemocratic36.0%147,272 Ronald ""ron"" PaulLibertarian1.3%5,313 Lenora FulaniIndependent0.6%2,502
1984	R	26.4%Mondale108,510	72.4%Reagan297,523	0.7%Bergland2,823 +1	R+46.0	R+4.7	R+27.8	411,144
All 4 candidates in 1984 · 2 minor / independent Ronald ReaganRepublican72.4%297,523 Walter MondaleDemocratic26.4%108,510 David BerglandLibertarian0.7%2,823 Bob RichardsPopulist0.6%2,288
1980	R	25.2%Carter110,192	66.5%Reagan290,699	6.2%Anderson27,058 +2	R+41.3	R+18.5	R+31.5	437,431
All 5 candidates in 1980 · 3 minor / independent Ronald ReaganRepublican66.5%290,699 Jimmy CarterDemocratic25.2%110,192 John B. AndersonIndependent6.2%27,058 Edward ""ed"" ClarkLibertarian1.9%8,425 John RarickAmerican Independent Party0.2%1,057
1976	R	37.1%Carter126,549	59.9%Ford204,151	1.7%Maddox5,935 +2	R+22.8	D+15.4	R+24.8	340,932
All 5 candidates in 1976 · 3 minor / independent Gerald FordRepublican59.9%204,151 Jimmy CarterDemocratic37.1%126,549 Lester MaddoxAmerican1.7%5,935 Roger MacbrideLibertarian1.0%3,558 Lyndon, Jr. LaroucheU.S. Labor0.2%739
1972	R	26.0%McGovern80,826	64.2%Nixon199,384	9.7%	R+38.2	R+12.1	R+15.0	310,379
1968	R	30.7%Humphrey89,273	56.8%Nixon165,369	12.5%	R+26.1	R+28.0	R+25.4	291,183
1964	D	50.9%Johnson148,920	49.1%Goldwater143,557	0.0%	D+1.8	D+9.4	R+20.7	292,477
1960	R	46.2%Kennedy138,853	53.8%Nixon161,597	0.0%	R+7.6	D+14.8	R+7.7	300,450
1956	R	38.8%Stevenson105,868	61.2%Eisenhower166,979	0.0%	R+22.4	D+8.6	R+7.0	272,847
1952	R	34.4%Stevenson95,081	65.4%Eisenhower180,707	0.2%	R+31.0	R+33.7	R+20.2	276,231
1948	D	50.0%Truman107,370	47.3%Dewey101,514	2.8%	D+2.7	R+0.8	R+1.8	214,816
1944	D	51.6%Roosevelt107,399	48.1%Dewey100,137	0.4%	D+3.5	R+5.6	R+4.0	208,321
1940	D	54.4%Roosevelt127,842	45.3%Willkie106,553	0.3%	D+9.1	R+20.7	R+0.9	235,168
1936	D	63.0%Roosevelt125,683	33.2%Landon66,256	3.8%	D+29.8	D+9.4	D+5.5	199,617
1932	D	58.7%Roosevelt109,479	38.3%Hoover71,417	3.1%	D+20.4	D+49.7	D+2.6	186,625
1928	R	34.9%Smith52,926	64.2%Hoover97,322	0.9%	R+29.3	D+1.5	R+11.8	151,541
1924	R	16.4%Davis24,256	47.1%Coolidge69,879	36.5%La Follette54,160	R+30.8	D+0.5	R+5.6	148,295
1920	R	34.3%Cox46,579	65.6%Harding88,975	0.1%	R+31.3	R+42.2	R+5.1	135,624
1916	D	52.0%Wilson70,054	41.1%Hughes55,368	6.8%	D+10.9	D+9.9	D+7.8	134,615
1912	O	32.1%Wilson33,921	31.0%Taft32,810	36.9%	Roosevelt +4.8	D+18.0	R+18.5	105,754
1908	R	37.2%Bryan36,195	54.1%Taft52,654	8.8%	R+16.9	D+23.5	R+7.3	97,385
1904	R	25.5%Parker18,480	65.8%Roosevelt47,792	8.7%	R+40.4	R+44.1	R+20.7	72,586
1900	D	50.7%Bryan29,414	47.0%McKinley27,237	2.3%	D+3.8	R+53.1	D+11.3	57,981
1896	D	78.1%Bryan23,192	21.3%McKinley6,324	0.6%	D+56.8	D+101.0	D+62.9	29,689
1892	O	0.0%Cleveland2	44.2%Harrison8,563	55.8%	Weaver +11.6	—	R+45.8	19,373

2026 election

On the ballot

Governor

Brad LittlenomineeTerri PickensnomineeJohn Stegner

Full 2026 forecast →

U.S. Senate

Jim RischnomineeTodd AchillesnomineeDavid RothnomineeMatt Loesbynominee

Full 2026 forecast →

Congressional elections · 50 House races · 16 Senate races

U.S. House

Source · MIT Election Lab (MEDSL), House. CC-BY 4.0. Seat totals count district winners; vote shares aggregate every district.
Seats won	D %	R %	Total
R 2	28.0%	66.5%	873,704
R 2	31.0%	67.7%	583,628
R 2	30.1%	66.1%	849,909
R 2	34.8%	61.8%	595,724

U.S. Senate

Source · MIT Election Lab (MEDSL), Senate. CC-BY 4.0.
Year	Won	Democratic	Republican	Total
2022	R	28.7%169,808	60.7%358,539	590,890
2020	R	33.2%285,864	62.6%538,446	859,827
2016	R	27.7%188,249	66.1%449,017	678,943
2014	R	34.7%151,574	65.3%285,596	437,170
2010	R	24.9%112,057	71.2%319,953	449,439
2008	R	34.1%219,903	57.7%371,744	644,777
2004	R	0.0%0	100.0%499,796	499,796
2002	R	32.5%132,975	65.2%266,215	408,544
1998	R	28.4%107,375	69.5%262,966	378,174
1996	R	39.9%198,422	57.0%283,532	497,233
1992	R	43.5%208,036	56.5%270,468	478,504
1990	R	38.7%122,295	61.3%193,641	315,936
1986	R	48.4%185,066	51.6%196,958	382,024
1984	R	26.0%105,591	72.2%293,193	406,168
1980	R	48.8%214,439	49.7%218,701	439,647
1978	R	31.6%89,635	68.4%194,412	284,047

voter registration

Registered voters

By party of registration, over time

Party registration · 2024R+46.4

Presidential vote · 2024R+36.5

Registration leans Republican; the presidential vote runs 9.9 points more Republican.

DemocraticRepublicanUnaffiliatedOther parties

Voter registration in Idaho
Year	Total registered	Democratic	Republican	Unaffiliated	Other
2018	846,433	103,501	433,305	299,092	10,535
2020	1,010,991	141,842	532,049	322,983	14,117
2022	1,006,180	130,637	580,188	279,957	15,398
2024	1,069,711	136,278	632,320	284,608	16,505

domestic migration

Who moves in and out

Net domestic migration over time

+19,915 net domestic migration · 2025

20112025

Net +244,498 over 2011–2025 · gain loss

Domestic migration in Idaho in Idaho: net domestic migration by year
Year	Net domestic migration
2011	+528
2012	−718
2013	+3,543
2014	+8,482
2015	+6,763
2016	+18,541
2017	+25,007
2018	+24,020
2019	+27,360
2021	+52,350
2022	+28,019
2023	+14,713
2024	+15,975
2025	+19,915

Two recreation counties — Sun Valley’s Blaine and the Tetons’ Teton — are the whole of the Democratic map in a state Trump carried by 36.5 points.

Reddest and widening: R+30.8 (2020) → R+36.5 (2024) — moving away from competitive as the nation shifted ~6 pts to Trump · MIT Election Lab
The Latter-day Saint east: Franklin R+77.6, Bear Lake R+77.1, Oneida R+75.9 — the deepest Republican ground, along the Utah line · MIT Election Lab 2024
2nd-largest LDS share: 22.1% Latter-day Saints — 2nd of 50, behind only Utah; 50.2% claim no affiliation · 2020 U.S. Religion Census
The whole Democratic map: Only Blaine (Sun Valley, D+31.7) and Teton (D+6.8) of 44 counties — both recreation, not agriculture · MIT Election Lab 2024
Boise the least-red big county: Ada County (Boise, ~⅓ of the vote) R+10.3; Latah (U. of Idaho, Moscow) R+8.0 — nearest of all, still Republican · MIT Election Lab 2024
Two races in 2026: Gov. Little (R) vs Pickens (D) and ind. Stegner; Sen. Risch (R) vs Roth (D) — May 19 primary · Akashic 2026 forecast

Political twins — states

The states whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.

Wyoming

93.7twin score

2000–2012 trajectory≠ population scale

Kansas

80.3twin score

2004–2016 trajectory≠ 12-yr trend

Nebraska

75.6twin score

2000–2016 trajectory≠ Scottish ancestry

Compare two places, side by side

Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →

Cite this page

All citations released under CC BY 4.0. Attribution: Akashic Intelligence.

Idaho. Akashic. https://akashic.app/state/ID/. Accessed May 20, 2026. License: CC BY 4.0.

License: CC BY 4.0

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Largest cities in Idaho

Idaho at the ballot boxAll elections →

Presidentcounty detail2024 US Senatestatewide2022 Governorstate + county2022 US Houseall districts2024

Places within Idaho

44counties 17metro areas 3combined areas 3media markets 2congressional districts 35state senate districts 35state house districts

Frequently asked questions

How did Idaho vote in 2024?

In 2024, Idaho voted Republican by 36.5 points (R+36.5), carried by the Republican candidate. Out of 905,057 votes cast, 274,972 went Democratic and 605,246 went Republican.

When did Idaho last vote Democratic?

The most recent presidential election in which Idaho voted Democratic was 1964.

How many people live in Idaho?

Idaho has a population of 1,934,262 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.

What is the median household income in Idaho?

Median household income in Idaho is $77,800 — below the national median of $80,734. The Idaho state median is $77,800.

What is the political history of Idaho?

Akashic tracks 34 presidential elections in Idaho from 1892 to 2024. Of those, 9 went Democratic and 23 went Republican.

Measure	Idaho	United States
Median age	37.6	39.1
Age 18–24	9.8%	9.2%
Age 65 and older	17.1%	17.2%

Measure	Idaho	United States
Median household income	$77,800	$84,427
Poverty rate	10.7%	12.5%
Bachelor's degree or higher (25+)	31.8%	35.6%

Measure	Idaho	United States
Speaks a non-English language at home	11.0%	22.3%
Spanish	8.1%	13.6%

Measure	Idaho	United States
Catholic	11.1%	18.6%
Evangelical Protestant	12.4%	16.5%
Unclaimed / not counted	50.2%	51.5%
Latter-day Saints	22.1%	2.0%

Measure	Idaho	United States
Median age	37.6	39.1
Age 18–24	9.8%	9.2%
Age 65 and older	17.1%	17.2%

Age and life stage

Household economy

Languages at home

Religious landscape

Presidential margin, 1892–2024

On the ballot

U.S. House

U.S. Senate

Registered voters

Who moves in and out

Compare two places, side by side

Places within Idaho

Frequently asked questions

Age and life stage

Household economy

Languages at home

Religious landscape

Presidential margin, 1892–2024

On the ballot

U.S. House

U.S. Senate

Registered voters

Who moves in and out

Compare two places, side by side

Places within Idaho

Frequently asked questions

Year	Democrat	Republican	Others	Total	CVAP	Turnout
2024	274,972	605,246	24,839	905,057	1,411,147	64.1%
2020	287,021	554,119	26,874	868,014	1,255,411	69.1%
2016	189,765	409,055	91,435	690,255	1,148,895	60.1%
2012	212,787	420,911	18,576	652,274	1,087,265	60.0%
2008	236,440	403,012	16,938	656,390	1,036,206	63.3%
2004	181,098	409,235	8,114	598,447	985,147^†	60.7%