Between 1912 and 2020 in the state of Colorado there have been 28 elections of which: 11 have been won by Democrats, 17 won by Republicans, and 0 won by "other parties".
| Year | Electoral | Presidential Candidate Votes | Population | Votes | Turnout | Winner | 
|---|---|---|---|---|---|---|
| 1912 | 6 | O Theodore Roosevelt (NY)   72,306  
O Eugene V. Debs (IN)   16,418  
O Arthur E. Reimer (MA)   475  
D Woodrow Wilson (NJ)   114,232  6 Electoral Votes  
R William Howard Taft (OH)   58,386  
O Eugene W. Chafin (IL)   5,063   | 
883,627 | 266,880 | 30.2% | D | 
| 1916 | 6 | O Arthur E. Reimer (MA)   409  
R Charles Evans Hughes (NY)   102,308  
O Frank Hanly (IN)   2,793  
D Woodrow Wilson (NJ)   178,816  6 Electoral Votes  
O Allan L. Benson (NY)   10,049   | 
1,052,834 | 294,375 | 27.96% | D | 
| 1920 | 6 | R Warren G. Harding (OH)   173,248  6 Electoral Votes  
O Eugene V. Debs (IN)   8,046  
O Aaron S. Watkins (IN)   2,807  
O Other (XX)   
D James M. Cox (OH)   104,936  
O Parley P. Christensen (IL)   3,016  
O James E. Ferguson (TX)    | 
939,629 | 292,053 | 31.08% | R | 
| 1924 | 6 | O Robert M. La Follette (WI)   69,945  
O William Z. Foster (MA)   562  
D John W. Davis (WV)   75,238  
O Herman P. Faris (MO)   966  
O Other (XX)   378  
R Calvin Coolidge (MA)   195,171  6 Electoral Votes   | 
1,137,908 | 342,260 | 30.08% | R | 
| 1928 | 6 | R Herbert Hoover (CA)   253,872  6 Electoral Votes  
O Norman Thomas (NY)   3,472  
O Verne L. Reynolds (MI)   
D Al Smith (NY)   133,131  
O William Z. Foster (IL)   675   | 
1,336,187 | 391,150 | 29.27% | R | 
| 1932 | 6 | R Herbert Hoover (CA)   189,617  
O Other (XX)   3,611  
D Franklin D. Roosevelt (NY)   250,877  6 Electoral Votes  
O Norman Thomas (NY)   13,591   | 
1,056,507 | 457,696 | 43.32% | D | 
| 1936 | 6 | R Alfred Landon (KS)   181,267  
O Norman Thomas (NY)   1,593  
D Franklin D. Roosevelt (NY)   295,021  6 Electoral Votes  
O William Lemke (ND)   9,962  
O Earl Browder (KS)   841   | 
1,097,938 | 488,684 | 44.51% | D | 
| 1940 | 6 | O Other (XX)   1,975  
D Franklin D. Roosevelt (NY)   265,554  
O Norman Thomas (NY)   1,899  
R Wendell Willkie (NY)   279,576  6 Electoral Votes   | 
1,123,296 | 549,004 | 48.87% | R | 
| 1944 | 6 | R Thomas E. Dewey (NY)   268,731  6 Electoral Votes  
O Norman Thomas (NY)   1,977  
D Franklin D. Roosevelt (NY)   234,331  
O Texas Regulars (TX)   
O Other (XX)    | 
1,168,228 | 505,039 | 43.23% | R | 
| 1948 | 6 | D Harry S. Truman (MO)   267,288  6 Electoral Votes  
O Strom Thurmond (SC)   
O Norman Thomas (NY)   1,678  
R Thomas E. Dewey (NY)   239,714  
O Henry A. Wallace (IA)   6,115  
O Other (XX)   442   | 
1,213,160 | 515,237 | 42.47% | D | 
| 1952 | 6 | O Stuart Hamblen (TX)   
R Dwight D. Eisenhower (NY)   379,782  6 Electoral Votes  
O Vincent Hallinan (CA)   1,919  
O Eric Hass (NY)   352  
D Adlai Stevenson (IL)   245,504   | 
1,351,591 | 627,557 | 46.43% | R | 
| 1956 | 6 | R Dwight D. Eisenhower (NY)   394,479  6 Electoral Votes  
O Other (XX)   759  
D Adlai Stevenson (IL)   263,997  
O Eric Hass (NY)   3,308   | 
1,404,594 | 662,543 | 47.17% | R | 
| 1960 | 6 | D John Fitzgerald Kennedy (MA)   330,629  
O Other (XX)   
R Richard Milhous Nixon (CA)   402,242  6 Electoral Votes  
O Eric Hass (NY)   2,803   | 
1,753,947 | 735,674 | 41.94% | R | 
| 1964 | 6 | D Lyndon Baines Johnson (TX)   476,024  6 Electoral Votes  
O Other (XX)   
R Barry Morris Goldwater (AZ)   296,767  
O Eric Hass (NY)   302   | 
1,824,105 | 773,093 | 42.38% | D | 
| 1968 | 6 | R Richard Milhous Nixon (CA)   409,345  6 Electoral Votes  
O George Corley Wallace (AL)   60,813  
D Hubert Horatio Humphrey (MN)   335,174   | 
1,894,263 | 805,332 | 42.51% | R | 
| 1972 | 7 | R Richard Milhous Nixon (CA)   597,189  7 Electoral Votes  
O John G. Schmitz (CA)   17,269  
D George Stanley McGovern (SD)   329,980  
O Linda Jenness (GA)   1,111   | 
2,251,404 | 945,549 | 42% | R | 
| 1976 | 7 | D James Earl Carter, Jr. (GA)   460,353  
O Eugene McCarthy (MN)   26,107  
R Gerald Rudolph Ford, Jr. (MI)   584,367  7 Electoral Votes  
O Roger MacBride (VT)   5,330   | 
2,339,695 | 1,076,157 | 46% | R | 
| 1980 | 7 | R Ronald Wilson Reagan  (CA)   652,264  7 Electoral Votes  
O John Bayard Anderson  (IL)   130,633  
D James Earl Carter, Jr. (GA)   367,973  
O Ed Clark (CA)   25,744   | 
2,889,964 | 1,176,614 | 40.71% | R | 
| 1984 | 8 | R Ronald Wilson Reagan (CA)   821,818  8 Electoral Votes  
O David Bergland (CA)   11,257  
D Walter Frederick Mondale (MN)   454,974   | 
3,005,562 | 1,288,049 | 42.86% | R | 
| 1988 | 8 | R George Herbert Walker Bush (TX)   728,177  8 Electoral Votes  
O Ronald Ernest Paul (TX)   15,482  
D Michael Stanley Dukakis (MA)   621,453  
O Lenora Fulani (PA)   2,539   | 
3,121,161 | 1,367,651 | 43.82% | R | 
| 1992 | 8 | D William Jefferson Clinton (AR)   629,681  8 Electoral Votes  
O Henry Ross Perot (TX)   366,010  
O Other (XX)   1,970  
R George Herbert Walker Bush (TX)   562,850  
O Andre Verne Marrou (AK)   8,669   | 
3,360,282 | 1,569,180 | 46.7% | D | 
| 1996 | 8 | R Robert Joseph Dole (KS)   691,848  8 Electoral Votes  
O Ralph Nader (CT)   25,070  
O Other (XX)   10,613  
D William Jefferson Clinton (AK)   671,152  
O Henry Ross Perot (TX)   99,629  
O Harry Browne (TN)   12,392   | 
3,492,057 | 1,510,704 | 43.26% | R | 
| 2000 | 8 | O Ralph Nader (CT)   91,434  
O Harry Browne (TN)   12,799  
O John Hagelin (IA)   2,240  
D Albert Arnold Gore, Jr.  (TN)   738,227  
O Pat Buchanan (VA)   10,465  
O Howard Phillips (VA)   1,319  
O Other (XX)   1,136  
R George Walker Bush (TX)   883,748  8 Electoral Votes   | 
4,301,261 | 1,741,368 | 40.49% | R | 
| 2004 | 9 | R George Walker Bush (TX)   1,101,255  9 Electoral Votes  
O Ralph Nader (CT)   12,718  
O Michael Peroutka (MD)   2,562  
O Other (XX)   2,808  
D John Forbes Kerry (MA)   1,001,732  
O Michael Badnarik (TX)   7,664  
O David Cobb (TX)   1,591   | 
4,473,311 | 2,130,330 | 47.62% | R | 
| 2008 | 9 | O Ralph Nader  (CT)   13,352  
O Charles Obadiah Baldwin (FL)   6,233  
O Other (XX)   5,895  
R John Sidney McCain (AZ)   1,073,629  
O Robert Laurence Barr (GA)   10,898  
O Cynthia McKinney (GA)   2,822  
D Barack Hussein Obama (IL)   1,288,633  9 Electoral Votes   | 
4,645,362 | 2,401,462 | 51.7% | D | 
| 2012 | 9 | R Mitt Romney (MA)   1,185,243  
O Jill Stein (MA)   7,508  
D Barack Hussein Obama (IL)   1,323,101  9 Electoral Votes  
O Gary Johnson (NM)   35,545  
O Other (XX)   18,123   | 
5,129,780 | 2,569,520 | 50.09% | D | 
| 2016 | 9 | O Jill Stein (MA)   38,073  
R Donal Trump (NY)   1,196,662  
O Evan McMullin (UT)   28,765  
O Gary Johnson (NM)   144,083  
D Hillary Clinton (NY)   1,331,675  9 Electoral Votes   | 
5,330,948 | 2,739,258 | 51.38% | D | 
| 2020 | 9 | R Donald Trump (FL)   1,364,607  
O Howie Hawkins (CA)   8,986  
D Joe Biden (DE)   1,804,352  9 Electoral Votes  
O Jo Jorgensen (SC)   52,460   | 
5,896,597 | 3,230,405 | 54.78% | D |