Between 1912 and 2016 in the state of Pennsylvania there have been 27 elections of which: 13 have been won by Democrats, 13 won by Republicans, and 1 won by "other parties".

Year Electoral Presidential Candidate Votes Population Votes Turnout Winner
1912 38
O Eugene W. Chafin (IL) 19,525
O Theodore Roosevelt (NY) 444,894 38 Electoral Votes
O Eugene V. Debs (IN) 83,614
O Arthur E. Reimer (MA) 706
D Woodrow Wilson (NJ) 395,637
R William Howard Taft (OH) 273,360
7,765,856 1,217,736 15.68% O
1916 38
D Woodrow Wilson (NJ) 521,784
O Allan L. Benson (NY) 42,638
O Arthur E. Reimer (MA)
R Charles Evans Hughes (NY) 703,823 38 Electoral Votes
O Frank Hanly (IN) 28,525
7,967,347 1,296,770 16.28% R
1920 38
D James M. Cox (OH) 503,843
O Parley P. Christensen (IL) 15,704
O James E. Ferguson (TX)
R Warren G. Harding (OH) 1,218,216 38 Electoral Votes
O Eugene V. Debs (IN) 70,571
O Aaron S. Watkins (IN) 42,696
O Other (XX) 753
8,720,017 1,851,783 21.24% R
1924 38
R Calvin Coolidge (MA) 1,401,481 38 Electoral Votes
O Robert M. La Follette (WI) 307,567
O William Z. Foster (MA) 2,735
D John W. Davis (WV) 409,192
O Herman P. Faris (MO) 9,779
O Other (XX) 634
8,895,726 2,131,388 23.96% R
1928 38
D Al Smith (NY) 1,067,586
O William Z. Foster (IL) 4,726
R Herbert Hoover (CA) 2,055,382 38 Electoral Votes
O Norman Thomas (NY) 18,647
O Verne L. Reynolds (MI) 380
9,071,435 3,146,721 34.69% R
1932 36
D Franklin D. Roosevelt (NY) 1,295,948
O Norman Thomas (NY) 91,223
R Herbert Hoover (CA) 1,453,540 36 Electoral Votes
O Other (XX) 18,466
9,823,977 2,859,177 29.1% R
1936 36
D Franklin D. Roosevelt (NY) 2,353,987 36 Electoral Votes
O William Lemke (ND) 67,468
O Earl Browder (KS) 12,172
R Alfred Landon (KS) 1,690,200
O Norman Thomas (NY) 14,599
10,209,231 4,138,426 40.54% D
1940 36
R Wendell Willkie (NY) 1,889,848
O Other (XX) 6,864
D Franklin D. Roosevelt (NY) 2,171,035 36 Electoral Votes
O Norman Thomas (NY) 10,967
9,900,180 4,078,714 41.2% D
1944 35
O Other (XX) 7,539
R Thomas E. Dewey (NY) 1,835,054
O Norman Thomas (NY) 11,721
D Franklin D. Roosevelt (NY) 1,940,479 35 Electoral Votes
O Texas Regulars (TX)
10,296,187 3,794,793 36.86% D
1948 35
R Thomas E. Dewey (NY) 1,902,197 35 Electoral Votes
O Henry A. Wallace (IA) 55,161
O Other (XX) 14,039
D Harry S. Truman (MO) 1,752,426
O Strom Thurmond (SC)
O Norman Thomas (NY) 11,325
10,692,194 3,735,148 34.93% R
1952 32
D Adlai Stevenson (IL) 2,146,269
O Stuart Hamblen (TX) 8,951
R Dwight D. Eisenhower (NY) 2,415,789 32 Electoral Votes
O Vincent Hallinan (CA) 4,222
O Eric Hass (NY) 1,377
10,707,972 4,576,608 42.74% R
1956 32
O Eric Hass (NY) 7,447
R Dwight D. Eisenhower (NY) 2,585,252 32 Electoral Votes
O Other (XX)
D Adlai Stevenson (IL) 1,981,769
11,127,893 4,574,468 41.11% R
1960 32
R Richard Milhous Nixon (CA) 2,439,956
O Eric Hass (NY) 7,185
D John Fitzgerald Kennedy (MA) 2,556,282 32 Electoral Votes
O Other (XX)
11,319,366 5,003,423 44.2% D
1964 29
R Barry Morris Goldwater (AZ) 1,673,657
O Eric Hass (NY) 5,092
D Lyndon Baines Johnson (TX) 3,130,954 29 Electoral Votes
O Other (XX)
11,772,141 4,809,703 40.86% D
1968 29
D Hubert Horatio Humphrey (MN) 2,259,405 29 Electoral Votes
R Richard Milhous Nixon (CA) 2,090,017
O George Corley Wallace (AL) 378,582
12,224,916 4,728,004 38.68% D
1972 27
R Richard Milhous Nixon (CA) 2,714,521 27 Electoral Votes
O John G. Schmitz (CA) 70,593
D George Stanley McGovern (SD) 1,796,951
O Linda Jenness (GA)
12,029,787 4,582,065 38.09% R
1976 27
R Gerald Rudolph Ford, Jr. (MI) 2,205,604
O Roger MacBride (VT)
D James Earl Carter, Jr. (GA) 2,328,677 27 Electoral Votes
O Eugene McCarthy (MN) 50,584
12,501,544 4,584,865 36.67% D
1980 27
D James Earl Carter, Jr. (GA) 1,937,540
O Ed Clark (CA) 33,263
R Ronald Wilson Reagan (CA) 2,261,872 27 Electoral Votes
O John Bayard Anderson (IL) 292,921
11,863,895 4,525,596 38.15% R
1984 25
D Walter Frederick Mondale (MN) 2,228,131
R Ronald Wilson Reagan (CA) 2,584,323 25 Electoral Votes
O David Bergland (CA) 6,982
12,338,451 4,819,436 39.06% R
1988 25
R George Herbert Walker Bush (TX) 2,300,087 25 Electoral Votes
O Ronald Ernest Paul (TX) 12,051
D Michael Stanley Dukakis (MA) 2,194,944
O Lenora Fulani (PA) 4,379
12,813,007 4,511,461 35.21% R
1992 23
R George Herbert Walker Bush (TX) 1,791,841
O Andre Verne Marrou (AK) 21,477
D William Jefferson Clinton (AR) 2,239,164 23 Electoral Votes
O Henry Ross Perot (TX) 902,667
O Other (XX) 4,661
12,119,276 4,959,810 40.92% D
1996 23
D William Jefferson Clinton (AK) 2,215,819 23 Electoral Votes
O Henry Ross Perot (TX) 430,984
O Harry Browne (TN) 28,000
R Robert Joseph Dole (KS) 1,801,169
O Ralph Nader (CT) 3,086
O Other (XX) 27,060
12,594,541 4,506,118 35.78% D
2000 23
O Other (XX) 934
R George Walker Bush (TX) 2,281,127
O Ralph Nader (CT) 103,392
O Harry Browne (TN) 11,248
O John Hagelin (IA)
D Albert Arnold Gore, Jr. (TN) 2,485,967 23 Electoral Votes
O Pat Buchanan (VA) 16,023
O Howard Phillips (VA) 14,428
12,281,054 4,913,119 40.01% D
2004 21
D John Forbes Kerry (MA) 2,938,095 21 Electoral Votes
O Michael Badnarik (TX) 21,185
O David Cobb (TX) 6,319
R George Walker Bush (TX) 2,793,847
O Ralph Nader (CT) 2,656
O Michael Peroutka (MD) 6,318
O Other (XX) 1,170
12,772,296 5,769,590 45.17% D
2008 21
D Barack Hussein Obama (IL) 3,276,363 21 Electoral Votes
O Ralph Nader (CT) 42,977
O Charles Obadiah Baldwin (FL) 1,092
O Other (XX) 17,043
R John Sidney McCain (AZ) 2,655,885
O Robert Laurence Barr (GA) 19,912
O Cynthia McKinney (GA)
13,263,538 6,013,272 45.34% D
2012 20
D Barack Hussein Obama (IL) 2,990,274 20 Electoral Votes
O Gary Johnson (NM) 49,991
O Other (XX) 11,630
R Mitt Romney (MA) 2,680,434
O Jill Stein (MA) 21,341
12,956,427 5,753,670 44.41% D
2016 20
O Jill Stein (MA) 49,223
R Donal Trump (NY) 2,938,420 20 Electoral Votes
O Evan McMullin (UT)
O Gary Johnson (NM) 144,300
D Hillary Clinton (NY) 2,869,606
13,464,522 6,001,549 44.57% R