Between 1912 and 2016 in the state of Illinois there have been 27 elections of which: 15 have been won by Democrats, 12 won by Republicans, and 0 won by "other parties".

Year Electoral Presidential Candidate Votes Population Votes Turnout Winner
1912 29
R William Howard Taft (OH) 253,593
O Eugene W. Chafin (IL) 15,710
O Theodore Roosevelt (NY) 386,478
O Eugene V. Debs (IN) 81,278
O Arthur E. Reimer (MA) 4,066
D Woodrow Wilson (NJ) 405,048 29 Electoral Votes
5,782,432 1,146,173 19.82% D
1916 29
D Woodrow Wilson (NJ) 950,229
O Allan L. Benson (NY) 61,394
O Arthur E. Reimer (MA)
R Charles Evans Hughes (NY) 1,152,549 29 Electoral Votes
O Frank Hanly (IN) 26,047
6,070,113 2,190,219 36.08% R
1920 29
D James M. Cox (OH) 534,395
O Parley P. Christensen (IL) 49,630
O James E. Ferguson (TX)
R Warren G. Harding (OH) 1,420,480 29 Electoral Votes
O Eugene V. Debs (IN) 74,747
O Aaron S. Watkins (IN) 11,216
O Other (XX) 3,471
6,485,280 2,093,939 32.29% R
1924 29
O Other (XX) 2,334
R Calvin Coolidge (MA) 1,453,321 29 Electoral Votes
O Robert M. La Follette (WI) 432,027
O William Z. Foster (MA) 2,622
D John W. Davis (WV) 576,975
O Herman P. Faris (MO) 2,367
6,767,095 2,469,646 36.49% R
1928 29
D Al Smith (NY) 1,313,817
O William Z. Foster (IL) 3,581
R Herbert Hoover (CA) 1,769,141 29 Electoral Votes
O Norman Thomas (NY) 19,138
O Verne L. Reynolds (MI) 1,812
7,048,910 3,107,489 44.08% R
1932 29
D Franklin D. Roosevelt (NY) 1,882,304 29 Electoral Votes
O Norman Thomas (NY) 67,258
R Herbert Hoover (CA) 1,432,756
O Other (XX) 25,608
7,783,267 3,407,926 43.79% D
1936 29
D Franklin D. Roosevelt (NY) 2,282,999 29 Electoral Votes
O William Lemke (ND) 89,439
O Earl Browder (KS) 6,161
R Alfred Landon (KS) 1,570,393
O Norman Thomas (NY) 7,530
8,088,493 3,956,522 48.92% D
1940 29
R Wendell Willkie (NY) 2,047,240
O Other (XX) 9,847
D Franklin D. Roosevelt (NY) 2,149,934 29 Electoral Votes
O Norman Thomas (NY) 10,914
7,897,241 4,217,935 53.41% D
1944 28
O Texas Regulars (TX)
O Other (XX) 17,088
R Thomas E. Dewey (NY) 1,939,314
O Norman Thomas (NY) 180
D Franklin D. Roosevelt (NY) 2,079,479 28 Electoral Votes
8,213,131 4,036,061 49.14% D
1948 28
R Thomas E. Dewey (NY) 1,961,103
O Henry A. Wallace (IA)
O Other (XX) 16,706
D Harry S. Truman (MO) 1,994,715 28 Electoral Votes
O Strom Thurmond (SC)
O Norman Thomas (NY) 11,522
8,529,020 3,984,046 46.71% D
1952 27
D Adlai Stevenson (IL) 2,013,920
O Stuart Hamblen (TX)
R Dwight D. Eisenhower (NY) 2,457,327 27 Electoral Votes
O Vincent Hallinan (CA)
O Eric Hass (NY) 9,363
8,886,420 4,480,610 50.42% R
1956 27
D Adlai Stevenson (IL) 1,775,682
O Eric Hass (NY) 8,342
R Dwight D. Eisenhower (NY) 2,623,327 27 Electoral Votes
O Other (XX)
9,234,907 4,407,351 47.72% R
1960 27
R Richard Milhous Nixon (CA) 2,368,988
O Eric Hass (NY) 10,560
D John Fitzgerald Kennedy (MA) 2,377,846 27 Electoral Votes
O Other (XX)
10,081,158 4,757,394 47.19% D
1964 26
R Barry Morris Goldwater (AZ) 1,905,946
O Eric Hass (NY)
D Lyndon Baines Johnson (TX) 2,796,833 26 Electoral Votes
O Other (XX)
10,484,404 4,702,779 44.85% D
1968 26
D Hubert Horatio Humphrey (MN) 2,039,814
R Richard Milhous Nixon (CA) 2,174,774 26 Electoral Votes
O George Corley Wallace (AL) 390,958
10,887,651 4,605,546 42.3% R
1972 26
O Linda Jenness (GA)
R Richard Milhous Nixon (CA) 2,788,179 26 Electoral Votes
O John G. Schmitz (CA) 2,471
D George Stanley McGovern (SD) 1,913,472
11,336,256 4,704,122 41.5% R
1976 26
R Gerald Rudolph Ford, Jr. (MI) 2,364,269 26 Electoral Votes
O Roger MacBride (VT) 8,057
D James Earl Carter, Jr. (GA) 2,271,295
O Eugene McCarthy (MN) 55,939
11,780,815 4,699,560 39.89% R
1980 26
D James Earl Carter, Jr. (GA) 1,981,413
O Ed Clark (CA) 38,939
R Ronald Wilson Reagan (CA) 2,358,049 26 Electoral Votes
O John Bayard Anderson (IL) 346,754
11,426,518 4,725,155 41.35% R
1984 24
D Walter Frederick Mondale (MN) 2,086,499
R Ronald Wilson Reagan (CA) 2,707,103 24 Electoral Votes
O David Bergland (CA) 10,086
11,883,579 4,803,688 40.42% R
1988 24
O Lenora Fulani (PA) 10,276
R George Herbert Walker Bush (TX) 2,310,939 24 Electoral Votes
O Ronald Ernest Paul (TX) 14,944
D Michael Stanley Dukakis (MA) 2,215,940
12,340,640 4,552,099 36.89% R
1992 22
R George Herbert Walker Bush (TX) 1,734,096
O Andre Verne Marrou (AK) 9,218
D William Jefferson Clinton (AR) 2,453,350 22 Electoral Votes
O Henry Ross Perot (TX) 840,515
O Other (XX) 12,978
11,659,214 5,050,157 43.31% D
1996 22
D William Jefferson Clinton (AK) 2,341,744 22 Electoral Votes
O Henry Ross Perot (TX) 346,408
O Harry Browne (TN) 22,548
R Robert Joseph Dole (KS) 1,587,021
O Ralph Nader (CT) 1,447
O Other (XX) 12,223
12,116,438 4,311,391 35.58% D
2000 22
O Howard Phillips (VA) 57
O Other (XX) 4
R George Walker Bush (TX) 2,019,421
O Ralph Nader (CT) 103,759
O Harry Browne (TN) 11,623
O John Hagelin (IA) 2,127
D Albert Arnold Gore, Jr. (TN) 2,589,026 22 Electoral Votes
O Pat Buchanan (VA) 16,106
12,419,293 4,742,123 38.18% D
2004 21
D John Forbes Kerry (MA) 2,891,550 21 Electoral Votes
O Michael Badnarik (TX) 32,442
O David Cobb (TX) 241
R George Walker Bush (TX) 2,345,946
O Ralph Nader (CT) 3,571
O Michael Peroutka (MD) 440
O Other (XX) 132
12,916,065 5,274,322 40.84% D
2008 21
O Cynthia McKinney (GA) 11,838
D Barack Hussein Obama (IL) 3,419,348 21 Electoral Votes
O Ralph Nader (CT) 30,948
O Charles Obadiah Baldwin (FL) 8,256
O Other (XX) 1,160
R John Sidney McCain (AZ) 2,031,179
O Robert Laurence Barr (GA) 19,642
13,412,836 5,522,371 41.17% D
2012 20
D Barack Hussein Obama (IL) 3,019,512 20 Electoral Votes
O Gary Johnson (NM) 56,229
O Other (XX) 835
R Mitt Romney (MA) 2,135,216
O Jill Stein (MA) 30,222
13,087,245 5,242,014 40.05% D
2016 20
O Evan McMullin (UT)
O Gary Johnson (NM) 204,491
D Hillary Clinton (NY) 2,977,498 20 Electoral Votes
O Jill Stein (MA) 74,112
R Donal Trump (NY) 2,118,179
13,600,470 5,374,280 39.52% D