Between 1912 and 2020 in the state of Ohio there have been 28 elections of which: 12 have been won by Democrats, 16 won by Republicans, and 0 won by "other parties".

Year Electoral Presidential Candidate Votes Population Votes Turnout Winner
1912 24
D Woodrow Wilson (NJ) 424,834 24 Electoral Votes
R William Howard Taft (OH) 278,168
O Eugene W. Chafin (IL) 11,511
O Theodore Roosevelt (NY) 229,807
O Eugene V. Debs (IN) 90,144
O Arthur E. Reimer (MA) 2,630
4,902,509 1,037,094 21.15% D
1916 24
D Woodrow Wilson (NJ) 604,161 24 Electoral Votes
O Allan L. Benson (NY) 38,092
O Arthur E. Reimer (MA)
R Charles Evans Hughes (NY) 514,753
O Frank Hanly (IN) 8,080
5,173,284 1,165,086 22.52% D
1920 24
D James M. Cox (OH) 780,037
O Parley P. Christensen (IL)
O James E. Ferguson (TX)
R Warren G. Harding (OH) 1,182,022 24 Electoral Votes
O Eugene V. Debs (IN) 57,147
O Aaron S. Watkins (IN)
O Other (XX)
5,759,394 2,019,206 35.06% R
1924 24
D John W. Davis (WV) 477,888
O Herman P. Faris (MO)
O Other (XX) 3,025
R Calvin Coolidge (MA) 1,176,130 24 Electoral Votes
O Robert M. La Follette (WI) 357,948
O William Z. Foster (MA)
6,004,266 2,014,991 33.56% R
1928 24
D Al Smith (NY) 864,210
O William Z. Foster (IL) 2,836
R Herbert Hoover (CA) 1,627,546 24 Electoral Votes
O Norman Thomas (NY) 8,683
O Verne L. Reynolds (MI) 1,515
6,249,139 2,504,790 40.08% R
1932 26
D Franklin D. Roosevelt (NY) 1,301,695 26 Electoral Votes
O Norman Thomas (NY) 64,094
R Herbert Hoover (CA) 1,227,319
O Other (XX) 16,620
6,779,631 2,609,728 38.49% D
1936 26
D Franklin D. Roosevelt (NY) 1,747,140 26 Electoral Votes
O William Lemke (ND) 132,212
O Earl Browder (KS) 5,265
R Alfred Landon (KS) 1,127,855
O Norman Thomas (NY) 117
7,045,499 3,012,589 42.76% D
1940 26
O Norman Thomas (NY)
R Wendell Willkie (NY) 1,586,773
O Other (XX)
D Franklin D. Roosevelt (NY) 1,733,139 26 Electoral Votes
6,907,612 3,319,912 48.06% D
1944 25
D Franklin D. Roosevelt (NY) 1,570,763
O Texas Regulars (TX)
O Other (XX)
R Thomas E. Dewey (NY) 1,582,293 25 Electoral Votes
O Norman Thomas (NY)
7,183,916 3,153,056 43.89% R
1948 25
R Thomas E. Dewey (NY) 1,445,684
O Henry A. Wallace (IA) 37,596
O Other (XX)
D Harry S. Truman (MO) 1,452,791 25 Electoral Votes
O Strom Thurmond (SC)
O Norman Thomas (NY)
7,460,221 2,936,071 39.36% D
1952 25
O Eric Hass (NY)
D Adlai Stevenson (IL) 1,600,367
O Stuart Hamblen (TX)
R Dwight D. Eisenhower (NY) 2,100,391 25 Electoral Votes
O Vincent Hallinan (CA)
8,105,560 3,700,758 45.66% R
1956 25
D Adlai Stevenson (IL) 1,439,655
O Eric Hass (NY)
R Dwight D. Eisenhower (NY) 2,262,610 25 Electoral Votes
O Other (XX)
8,423,425 3,702,265 43.95% R
1960 25
R Richard Milhous Nixon (CA) 2,217,611 25 Electoral Votes
O Eric Hass (NY)
D John Fitzgerald Kennedy (MA) 1,944,248
O Other (XX)
9,706,397 4,161,859 42.88% R
1964 26
R Barry Morris Goldwater (AZ) 1,470,865
O Eric Hass (NY)
D Lyndon Baines Johnson (TX) 2,498,331 26 Electoral Votes
O Other (XX)
10,094,653 3,969,196 39.32% D
1968 26
O George Corley Wallace (AL) 467,495
D Hubert Horatio Humphrey (MN) 1,700,586
R Richard Milhous Nixon (CA) 1,791,014 26 Electoral Votes
10,482,909 3,959,095 37.77% R
1972 25
D George Stanley McGovern (SD) 1,558,889
O Linda Jenness (GA)
R Richard Milhous Nixon (CA) 2,441,827 25 Electoral Votes
O John G. Schmitz (CA) 80,067
10,865,057 4,080,783 37.56% R
1976 25
R Gerald Rudolph Ford, Jr. (MI) 2,000,505
O Roger MacBride (VT) 8,961
D James Earl Carter, Jr. (GA) 2,011,621 25 Electoral Votes
O Eugene McCarthy (MN) 58,258
11,291,138 4,079,345 36.13% D
1980 25
D James Earl Carter, Jr. (GA) 1,752,414
O Ed Clark (CA) 49,033
R Ronald Wilson Reagan (CA) 2,206,545 25 Electoral Votes
O John Bayard Anderson (IL) 254,472
10,797,630 4,262,464 39.48% R
1984 23
D Walter Frederick Mondale (MN) 1,825,440
R Ronald Wilson Reagan (CA) 2,678,560 23 Electoral Votes
O David Bergland (CA) 5,886
11,229,535 4,509,886 40.16% R
1988 23
D Michael Stanley Dukakis (MA) 1,939,629
O Lenora Fulani (PA) 12,017
R George Herbert Walker Bush (TX) 2,416,549 23 Electoral Votes
O Ronald Ernest Paul (TX) 11,989
11,661,440 4,380,184 37.56% R
1992 21
R George Herbert Walker Bush (TX) 1,894,310
O Andre Verne Marrou (AK) 7,252
D William Jefferson Clinton (AR) 1,984,942 21 Electoral Votes
O Henry Ross Perot (TX) 1,036,426
O Other (XX) 17,034
11,064,057 4,939,964 44.65% D
1996 21
D William Jefferson Clinton (AK) 2,148,222 21 Electoral Votes
O Henry Ross Perot (TX) 483,207
O Harry Browne (TN) 12,851
R Robert Joseph Dole (KS) 1,859,883
O Ralph Nader (CT) 2,962
O Other (XX) 27,309
11,497,942 4,534,434 39.44% D
2000 21
D Albert Arnold Gore, Jr. (TN) 2,186,190
O Pat Buchanan (VA) 26,724
O Howard Phillips (VA) 3,823
O Other (XX) 10
R George Walker Bush (TX) 2,351,209 21 Electoral Votes
O Ralph Nader (CT) 117,857
O Harry Browne (TN) 13,475
O John Hagelin (IA) 6,169
11,353,140 4,705,457 41.45% R
2004 20
D John Forbes Kerry (MA) 2,741,167
O Michael Badnarik (TX) 14,676
O David Cobb (TX) 192
R George Walker Bush (TX) 2,859,768 20 Electoral Votes
O Ralph Nader (CT)
O Michael Peroutka (MD) 11,939
O Other (XX) 166
11,807,266 5,627,908 47.66% R
2008 20
O Robert Laurence Barr (GA) 19,917
O Cynthia McKinney (GA) 8,518
D Barack Hussein Obama (IL) 2,940,044 20 Electoral Votes
O Ralph Nader (CT) 42,337
O Charles Obadiah Baldwin (FL) 12,565
O Other (XX) 7,149
R John Sidney McCain (AZ) 2,677,820
12,261,391 5,708,350 46.56% D
2012 18
D Barack Hussein Obama (IL) 2,827,710 18 Electoral Votes
O Gary Johnson (NM) 49,493
O Other (XX) 23,630
R Mitt Romney (MA) 2,661,433
O Jill Stein (MA) 18,574
11,767,234 5,580,840 47.43% D
2016 18
O Jill Stein (MA) 44,310
R Donal Trump (NY) 2,776,683 18 Electoral Votes
O Evan McMullin (UT)
O Gary Johnson (NM) 168,599
D Hillary Clinton (NY) 2,320,596
12,228,694 5,310,188 43.42% R
2020 18
D Joe Biden (DE) 2,679,165
O Jo Jorgensen (SC) 67,569
R Donald Trump (FL) 3,154,834 18 Electoral Votes
O Howie Hawkins (CA) 18,812
11,881,199 5,920,380 49.83% R