Between 1912 and 2020 in the state of Idaho there have been 28 elections of which: 8 have been won by Democrats, 20 won by Republicans, and 0 won by "other parties".
| Year | Electoral | Presidential Candidate Votes | Population | Votes | Turnout | Winner |
|---|---|---|---|---|---|---|
| 1912 | 4 | D Woodrow Wilson (NJ) 33,921 4 Electoral Votes
R William Howard Taft (OH) 32,810
O Eugene W. Chafin (IL) 1,536
O Theodore Roosevelt (NY) 25,527
O Eugene V. Debs (IN) 11,960
O Arthur E. Reimer (MA) |
350,434 | 105,754 | 30.18% | D |
| 1916 | 4 | D Woodrow Wilson (NJ) 70,054 4 Electoral Votes
O Allan L. Benson (NY) 8,066
O Arthur E. Reimer (MA)
R Charles Evans Hughes (NY) 55,368
O Frank Hanly (IN) 1,127 |
400,113 | 134,615 | 33.64% | D |
| 1920 | 4 | D James M. Cox (OH) 46,579
O Parley P. Christensen (IL)
O James E. Ferguson (TX)
R Warren G. Harding (OH) 88,975 4 Electoral Votes
O Eugene V. Debs (IN) 38
O Aaron S. Watkins (IN) 32
O Other (XX) |
431,866 | 135,624 | 31.4% | R |
| 1924 | 4 | D John W. Davis (WV) 24,256
O Herman P. Faris (MO)
O Other (XX)
R Calvin Coolidge (MA) 69,879 4 Electoral Votes
O Robert M. La Follette (WI) 54,160
O William Z. Foster (MA) |
488,511 | 148,295 | 30.36% | R |
| 1928 | 4 | D Al Smith (NY) 52,926
O William Z. Foster (IL)
R Herbert Hoover (CA) 97,322 4 Electoral Votes
O Norman Thomas (NY) 1,293
O Verne L. Reynolds (MI) |
545,156 | 151,541 | 27.8% | R |
| 1932 | 4 | D Franklin D. Roosevelt (NY) 109,479 4 Electoral Votes
O Norman Thomas (NY) 526
R Herbert Hoover (CA) 71,417
O Other (XX) 5,203 |
453,933 | 186,625 | 41.11% | D |
| 1936 | 4 | D Franklin D. Roosevelt (NY) 125,683 4 Electoral Votes
O William Lemke (ND) 7,678
O Earl Browder (KS)
R Alfred Landon (KS) 66,256
O Norman Thomas (NY) |
471,734 | 199,617 | 42.32% | D |
| 1940 | 4 | O Norman Thomas (NY) 497
R Wendell Willkie (NY) 106,553
O Other (XX) 276
D Franklin D. Roosevelt (NY) 127,842 4 Electoral Votes |
524,873 | 235,168 | 44.8% | D |
| 1944 | 4 | D Franklin D. Roosevelt (NY) 107,399 4 Electoral Votes
O Texas Regulars (TX)
O Other (XX) 503
R Thomas E. Dewey (NY) 100,137
O Norman Thomas (NY) 282 |
545,868 | 208,321 | 38.16% | D |
| 1948 | 4 | R Thomas E. Dewey (NY) 101,514
O Henry A. Wallace (IA) 4,972
O Other (XX) 628
D Harry S. Truman (MO) 107,370 4 Electoral Votes
O Strom Thurmond (SC)
O Norman Thomas (NY) 332 |
566,863 | 214,816 | 37.9% | D |
| 1952 | 4 | O Eric Hass (NY)
D Adlai Stevenson (IL) 95,081
O Stuart Hamblen (TX)
R Dwight D. Eisenhower (NY) 180,707 4 Electoral Votes
O Vincent Hallinan (CA) 443 |
600,410 | 276,231 | 46.01% | R |
| 1956 | 4 | D Adlai Stevenson (IL) 105,868
O Eric Hass (NY)
R Dwight D. Eisenhower (NY) 166,979 4 Electoral Votes
O Other (XX) |
623,955 | 272,847 | 43.73% | R |
| 1960 | 4 | R Richard Milhous Nixon (CA) 161,597 4 Electoral Votes
O Eric Hass (NY)
D John Fitzgerald Kennedy (MA) 138,853
O Other (XX) |
667,191 | 300,450 | 45.03% | R |
| 1964 | 4 | R Barry Morris Goldwater (AZ) 143,557
O Eric Hass (NY)
D Lyndon Baines Johnson (TX) 148,920 4 Electoral Votes
O Other (XX) |
693,879 | 292,477 | 42.15% | D |
| 1968 | 4 | O George Corley Wallace (AL) 36,541
D Hubert Horatio Humphrey (MN) 89,273
R Richard Milhous Nixon (CA) 165,369 4 Electoral Votes |
720,566 | 291,183 | 40.41% | R |
| 1972 | 4 | D George Stanley McGovern (SD) 80,826
O Linda Jenness (GA)
R Richard Milhous Nixon (CA) 199,384 4 Electoral Votes
O John G. Schmitz (CA) 28,869 |
726,818 | 309,079 | 42.52% | R |
| 1976 | 4 | R Gerald Rudolph Ford, Jr. (MI) 204,151 4 Electoral Votes
O Roger MacBride (VT) 3,558
D James Earl Carter, Jr. (GA) 126,549
O Eugene McCarthy (MN) |
755,321 | 334,258 | 44.25% | R |
| 1980 | 4 | D James Earl Carter, Jr. (GA) 110,192
O Ed Clark (CA) 8,425
R Ronald Wilson Reagan (CA) 290,699 4 Electoral Votes
O John Bayard Anderson (IL) 27,058 |
943,935 | 436,374 | 46.23% | R |
| 1984 | 4 | D Walter Frederick Mondale (MN) 108,510
R Ronald Wilson Reagan (CA) 297,523 4 Electoral Votes
O David Bergland (CA) 2,823 |
981,693 | 408,856 | 41.65% | R |
| 1988 | 4 | D Michael Stanley Dukakis (MA) 147,272
O Lenora Fulani (PA) 2,502
R George Herbert Walker Bush (TX) 253,881 4 Electoral Votes
O Ronald Ernest Paul (TX) 5,313 |
1,019,450 | 408,968 | 40.12% | R |
| 1992 | 4 | R George Herbert Walker Bush (TX) 202,645 4 Electoral Votes
O Andre Verne Marrou (AK) 1,167
D William Jefferson Clinton (AR) 137,013
O Henry Ross Perot (TX) 130,395
O Other (XX) 10,894 |
1,026,884 | 482,114 | 46.95% | R |
| 1996 | 4 | D William Jefferson Clinton (AK) 165,443
O Henry Ross Perot (TX) 62,518
O Harry Browne (TN) 3,325
R Robert Joseph Dole (KS) 256,595 4 Electoral Votes
O Ralph Nader (CT)
O Other (XX) 3,838 |
1,067,154 | 491,719 | 46.08% | R |
| 2000 | 4 | D Albert Arnold Gore, Jr. (TN) 138,637
O Pat Buchanan (VA) 7,615
O Howard Phillips (VA) 1,469
O Other (XX) 6
R George Walker Bush (TX) 336,937 4 Electoral Votes
O Ralph Nader (CT) 12,292
O Harry Browne (TN) 3,488
O John Hagelin (IA) 1,177 |
1,293,953 | 501,621 | 38.77% | R |
| 2004 | 4 | D John Forbes Kerry (MA) 181,098
O Michael Badnarik (TX) 3,844
O David Cobb (TX) 58
R George Walker Bush (TX) 409,235 4 Electoral Votes
O Ralph Nader (CT) 1,115
O Michael Peroutka (MD) 3,084
O Other (XX) 13 |
1,345,711 | 598,447 | 44.47% | R |
| 2008 | 4 | O Robert Laurence Barr (GA) 3,658
O Cynthia McKinney (GA) 39
D Barack Hussein Obama (IL) 236,440
O Ralph Nader (CT) 7,175
O Charles Obadiah Baldwin (FL) 4,747
O Other (XX) 51
R John Sidney McCain (AZ) 403,012 4 Electoral Votes |
1,397,469 | 655,122 | 46.88% | R |
| 2012 | 4 | D Barack Hussein Obama (IL) 212,787
O Gary Johnson (NM) 9,453
O Other (XX) 4,721
R Mitt Romney (MA) 420,911 4 Electoral Votes
O Jill Stein (MA) 4,402 |
1,598,934 | 652,274 | 40.79% | R |
| 2016 | 4 | O Evan McMullin (UT) 46,702
O Gary Johnson (NM) 28,369
D Hillary Clinton (NY) 190,971
O Jill Stein (MA) 8,524
R Donal Trump (NY) 412,525 4 Electoral Votes |
1,661,637 | 687,091 | 41.35% | R |
| 2020 | 4 | D Joe Biden (DE) 287,021
O Jo Jorgensen (SC) 16,304
R Donald Trump (FL) 554,119 4 Electoral Votes
O Howie Hawkins (CA) 407 |
1,847,999 | 857,851 | 46.42% | R |