Colorado (CO) — Statewide

Colorado (CO) — Statewide

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1864 2024
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Colorado (CO) — Total Data

YearDRMargin (D%, R%, 3rd%)D Cand.R Cand.State MarginNat. MarginRel. MarginTotal votesSourceEVs
18760(0.0%)1(100.0%)(0.0%, 100.0%, 0.0%)Samuel J. TildenRutherford B. HayesR+100.0D+3.0R+103.01Wikipedia3
188024,647(46.0%)(Δ 24,647)27,450(51.3%)(Δ 27,449)(46.0%, 51.3%, 2.7%)Winfield Scott HancockJames A. GarfieldR+5.2(Δ D+94.8)R+0.1(Δ R+3.1)R+5.1(Δ D+97.9)53,546(Δ 53,545)Wikipedia3
188427,723(42.2%)(Δ 3,076)36,084(54.9%)(Δ 8,634)(41.7%, 54.2%, 2.9%)Grover ClevelandJames G. BlaineR+12.6(Δ R+7.3)D+0.6(Δ D+0.7)R+13.1(Δ R+8.0)66,519(Δ 12,973)Wikipedia3
188837,549(41.5%)(Δ 9,826)50,772(56.1%)(Δ 14,688)(40.8%, 55.2%, 2.4%)Grover ClevelandBenjamin HarrisonR+14.4(Δ R+1.8)D+0.8(Δ D+0.3)R+15.2(Δ R+2.1)91,946(Δ 25,427)Wikipedia3
18920(0.0%)(Δ -37,549)38,620(41.9%)(Δ -12,152)(0.0%, 41.1%, 57.1%)Grover ClevelandBenjamin HarrisonT+15.9(Δ R+26.8)D+3.0(Δ D+2.2)R+44.1(Δ R+28.9)93,891(Δ 1,945)Wikipedia4
1896161,005(85.2%)(Δ 161,005)26,271(13.9%)(Δ -12,349)(84.9%, 13.9%, 0.9%)William Jennings BryanWilliam McKinleyD+71.1(Δ D+112.2)R+4.3(Δ R+7.3)D+75.4(Δ D+119.5)189,539(Δ 95,648)Wikipedia4
1900122,733(55.9%)(Δ -38,272)93,072(42.4%)(Δ 66,801)(55.4%, 42.0%, 1.7%)William Jennings BryanWilliam McKinleyD+13.4(Δ R+57.7)R+6.1(Δ R+1.8)D+19.5(Δ R+55.9)221,408(Δ 31,869)Wikipedia4
1904100,105(41.9%)(Δ -22,628)134,661(56.3%)(Δ 41,589)(41.1%, 55.3%, 1.8%)Alton B. ParkerTheodore RooseveltR+14.2(Δ R+27.6)R+18.8(Δ R+12.7)D+4.6(Δ R+14.9)243,667(Δ 22,259)Wikipedia5
1908126,644(49.0%)(Δ 26,539)123,693(47.9%)(Δ -10,968)(48.0%, 46.9%, 3.0%)William Jennings BryanWilliam Howard TaftD+1.1(Δ D+15.3)R+8.5(Δ D+10.3)D+9.6(Δ D+5.0)263,858(Δ 20,191)Wikipedia5
1912114,232(46.6%)(Δ -12,412)72,306(29.5%)(Δ -51,387)(42.8%, 27.1%, 21.9%)Woodrow WilsonTheodore RooseveltD+15.7(Δ D+14.6)D+14.4(Δ D+23.0)D+1.3(Δ R+8.4)266,880(Δ 3,022)Wikipedia6
1916178,816(61.4%)(Δ 64,584)102,308(35.1%)(Δ 30,002)(60.7%, 34.8%, 3.4%)Woodrow WilsonCharles Evans HughesD+26.0(Δ D+10.3)D+3.1(Δ R+11.3)D+22.9(Δ D+21.6)294,375(Δ 27,495)Wikipedia6
1920104,936(36.7%)(Δ -73,880)173,248(60.5%)(Δ 70,940)(35.9%, 59.3%, 2.8%)James M. CoxWarren G. HardingR+23.4(Δ R+49.4)R+26.2(Δ R+29.3)D+2.8(Δ R+20.1)292,053(Δ -2,322)Wikipedia6
192475,238(22.1%)(Δ -29,698)195,171(57.3%)(Δ 21,923)(22.0%, 57.0%, 20.4%)John W. DavisCalvin CoolidgeR+35.0(Δ R+11.7)R+25.2(Δ D+1.0)R+9.8(Δ R+12.6)342,260(Δ 50,207)Wikipedia6
1928133,131(34.1%)(Δ 57,893)253,872(65.0%)(Δ 58,701)(33.9%, 64.7%, 0.9%)Al SmithHerbert HooverR+30.8(Δ D+4.3)R+17.4(Δ D+7.8)R+13.4(Δ R+3.5)392,242(Δ 49,982)Wikipedia6
1932250,877(55.2%)(Δ 117,746)189,617(41.8%)(Δ -64,255)(54.8%, 41.4%, 3.0%)Franklin D. RooseveltHerbert HooverD+13.4(Δ D+44.2)D+17.8(Δ D+35.2)R+4.4(Δ D+9.0)457,696(Δ 65,454)Wikipedia6
1936295,021(60.7%)(Δ 44,144)181,267(37.3%)(Δ -8,350)(60.4%, 37.1%, 2.0%)Franklin D. RooseveltAlf LandonD+23.3(Δ D+9.9)D+24.3(Δ D+6.5)R+1.0(Δ D+3.4)488,684(Δ 30,988)Wikipedia6
1940265,554(48.5%)(Δ -29,467)279,576(51.1%)(Δ 98,309)(48.4%, 50.9%, 0.3%)Franklin D. RooseveltWendell WillkieR+2.6(Δ R+25.8)D+10.0(Δ R+14.3)R+12.5(Δ R+11.5)549,004(Δ 60,320)Wikipedia6
1944234,331(46.4%)(Δ -31,223)268,731(53.2%)(Δ -10,845)(46.4%, 53.2%, 0.4%)Franklin D. RooseveltThomas E. DeweyR+6.8(Δ R+4.3)D+7.5(Δ R+2.5)R+14.3(Δ R+1.8)505,039(Δ -43,965)Wikipedia6
1948267,288(52.1%)(Δ 32,957)239,714(46.7%)(Δ -29,017)(51.9%, 46.5%, 1.2%)Harry S. TrumanThomas E. DeweyD+5.4(Δ D+12.2)D+4.5(Δ R+3.0)D+0.9(Δ D+15.2)515,237(Δ 10,198)Wikipedia6
1952245,504(39.1%)(Δ -21,784)379,782(60.6%)(Δ 140,068)(39.0%, 60.3%, 0.3%)Adlai StevensonDwight D. EisenhowerR+21.3(Δ R+26.7)R+10.9(Δ R+15.3)R+10.5(Δ R+11.3)630,103(Δ 114,866)Wikipedia6
1956263,997(39.9%)(Δ 18,493)394,479(59.6%)(Δ 14,697)(39.8%, 59.5%, 0.5%)Adlai StevensonDwight D. EisenhowerR+19.7(Δ D+1.6)R+15.4(Δ R+4.5)R+4.3(Δ D+6.2)663,074(Δ 32,971)Wikipedia6
1960330,629(44.9%)(Δ 66,632)402,242(54.7%)(Δ 7,763)(44.9%, 54.6%, 0.4%)John F. KennedyRichard NixonR+9.7(Δ D+10.0)D+0.2(Δ D+15.6)R+9.9(Δ R+5.6)736,246(Δ 73,172)Wikipedia6
1964476,024(61.6%)(Δ 145,395)296,767(38.4%)(Δ -105,475)(61.3%, 38.2%, 0.0%)Lyndon B. JohnsonBarry GoldwaterD+23.1(Δ D+32.8)D+22.6(Δ D+22.4)D+0.5(Δ D+10.4)776,986(Δ 40,740)Wikipedia6
1968335,174(41.6%)(Δ -140,850)409,345(50.8%)(Δ 112,578)(41.3%, 50.5%, 7.5%)Hubert HumphreyRichard NixonR+9.1(Δ R+32.2)R+0.7(Δ R+23.3)R+8.4(Δ R+8.9)811,199(Δ 34,213)Wikipedia6
1972329,980(34.9%)(Δ -5,194)597,189(63.2%)(Δ 187,844)(34.6%, 62.6%, 1.8%)George McGovernRichard NixonR+28.0(Δ R+18.9)R+23.1(Δ R+22.4)R+4.9(Δ D+3.6)953,884(Δ 142,685)Wikipedia7
1976460,353(43.0%)(Δ 130,373)584,367(54.6%)(Δ -12,822)(42.6%, 54.1%, 2.4%)Jimmy CarterGerald FordR+11.5(Δ D+16.5)D+2.1(Δ D+25.2)R+13.5(Δ R+8.7)1,081,135(Δ 127,251)Wikipedia7
1980367,973(32.0%)(Δ -92,380)652,264(56.7%)(Δ 67,897)(31.1%, 55.1%, 11.0%)Jimmy CarterRonald ReaganR+24.0(Δ R+12.5)R+9.7(Δ R+11.8)R+14.3(Δ R+0.7)1,184,415(Δ 103,280)Wikipedia7
1984454,974(35.3%)(Δ 87,001)821,818(63.8%)(Δ 169,554)(35.1%, 63.4%, 0.9%)Walter MondaleRonald ReaganR+28.3(Δ R+4.3)R+18.2(Δ R+8.5)R+10.1(Δ D+4.2)1,295,381(Δ 110,966)Wikipedia8
1988621,453(45.5%)(Δ 166,479)728,177(53.3%)(Δ -93,641)(45.3%, 53.1%, 1.1%)Michael DukakisGeorge H.W. BushR+7.8(Δ D+20.5)R+7.7(Δ D+10.5)R+0.0(Δ D+10.1)1,372,394(Δ 77,013)Wikipedia8
1992629,681(40.4%)(Δ 8,228)562,850(36.1%)(Δ -165,327)(40.1%, 35.9%, 23.3%)Bill ClintonGeorge H.W. BushD+4.3(Δ D+12.0)D+5.6(Δ D+13.3)R+1.3(Δ R+1.3)1,569,180(Δ 196,786)Wikipedia8
1996671,152(45.9%)(Δ 41,471)691,848(47.3%)(Δ 128,998)(44.4%, 45.8%, 6.6%)Bill ClintonBob DoleR+1.4(Δ R+5.6)D+8.5(Δ D+3.0)R+9.9(Δ R+8.6)1,510,704(Δ -58,476)Wikipedia8
2000738,227(43.1%)(Δ 67,075)883,748(51.6%)(Δ 191,900)(42.4%, 50.8%, 5.3%)Al GoreGeorge W. BushR+8.4(Δ R+7.0)D+0.5(Δ R+8.0)R+8.9(Δ D+1.0)1,741,368(Δ 230,664)Wikipedia8
20041,001,732(47.3%)(Δ 263,505)1,101,255(52.1%)(Δ 217,507)(47.0%, 51.7%, 0.6%)John KerryGeorge W. BushR+4.7(Δ D+3.7)R+2.5(Δ R+3.0)R+2.2(Δ D+6.7)2,130,330(Δ 388,962)Wikipedia9
20081,288,633(54.2%)(Δ 286,901)1,073,629(45.2%)(Δ -27,626)(53.7%, 44.7%, 0.6%)Barack ObamaJohn McCainD+9.0(Δ D+13.6)D+7.3(Δ D+9.7)D+1.7(Δ D+3.9)2,401,462(Δ 271,132)Wikipedia9
20121,323,102(52.0%)(Δ 34,469)1,185,243(46.6%)(Δ 111,614)(51.5%, 46.1%, 1.4%)Barack ObamaMitt RomneyD+5.4(Δ R+3.6)D+3.9(Δ R+3.4)D+1.5(Δ R+0.2)2,569,518(Δ 168,056)Wikipedia9
20161,338,870(49.9%)(Δ 15,768)1,202,484(44.8%)(Δ 17,241)(48.2%, 43.3%, 5.2%)Hillary ClintonDonald TrumpD+4.9(Δ R+0.5)D+2.1(Δ R+1.8)D+2.8(Δ D+1.3)2,780,247(Δ 210,729)Wikipedia9
20201,804,352(56.0%)(Δ 465,482)1,364,607(42.4%)(Δ 162,123)(55.4%, 41.9%, 1.6%)Joe BidenDonald TrumpD+13.5(Δ D+8.6)D+4.5(Δ D+2.4)D+9.0(Δ D+6.2)3,256,980(Δ 476,733)Wikipedia9
20241,728,159(55.0%)(Δ -76,193)1,377,441(43.9%)(Δ 12,834)(54.1%, 43.1%, 1.1%)Kamala HarrisDonald TrumpD+11.0(Δ R+2.5)R+1.5(Δ R+5.9)D+12.5(Δ D+3.4)3,192,745(Δ -64,235)Wikipedia10

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
D Cand.
Name of the Democratic candidate.
R Cand.
Name of the Republican candidate.
State Margin
Margin between the two major-party candidates, including third-party votes ((D - R)/total).
Nat. Margin
The national presidential margin for that year, including third-party votes ((D_total - R_total)/total_votes).
Rel. Margin
The presidential margin relative to the national presidential margin (Margin - Nat. Margin).
Total votes
Total voter turnout or ballots cast (when provided).
Source
URL of the source for this data (usually Wikipedia).
EVs
Number of electoral votes allocated to this state or unit.

Colorado (CO) — Third-Party Data

YearDRMargin (D%, R%, 3rd%)Other votesTop 3rd-Party CandidateTop 3rd-Party ShareTotal 3rd-Party VotesState 3rd-Party Share3rd-Party Nat. Share3rd-Party Rel. Share
18760(0.0%)1(100.0%)(0.0%, 100.0%, 0.0%)0(0.0%)None0.00%00.00%1.16%-1.16%
188024,647(46.0%)(Δ 24,647)27,450(51.3%)(Δ 27,449)(46.0%, 51.3%, 2.7%)1,435(2.7%)James Weaver2.68%1,4492.71%3.47%-0.77%
188427,723(42.2%)(Δ 3,076)36,084(54.9%)(Δ 8,634)(41.7%, 54.2%, 2.9%)1,956(3.0%)Benjamin Butler2.94%2,7124.08%2.87%1.21%
188837,549(41.5%)(Δ 9,826)50,772(56.1%)(Δ 14,688)(40.8%, 55.2%, 2.4%)2,182(2.4%)Clinton Fisk2.37%3,6253.94%3.57%0.37%
18920(0.0%)(Δ -37,549)38,620(41.9%)(Δ -12,152)(0.0%, 41.1%, 57.1%)53,584(58.1%)James Weaver57.07%55,27158.87%10.97%47.90%
1896161,005(85.2%)(Δ 161,005)26,271(13.9%)(Δ -12,349)(84.9%, 13.9%, 0.9%)1,717(0.9%)Joshua Levering0.91%2,2631.19%2.27%-1.07%
1900122,733(55.9%)(Δ -38,272)93,072(42.4%)(Δ 66,801)(55.4%, 42.0%, 1.7%)3,790(1.7%)John Woolley1.71%5,6032.53%2.84%-0.31%
1904100,105(41.9%)(Δ -22,628)134,661(56.3%)(Δ 41,589)(41.1%, 55.3%, 1.8%)4,304(1.8%)Eugene V. Debs1.77%8,9013.65%5.99%-2.34%
1908126,644(49.0%)(Δ 26,539)123,693(47.9%)(Δ -10,968)(48.0%, 46.9%, 3.0%)7,960(3.1%)Eugene V. Debs3.02%13,5215.12%5.39%-0.26%
1912114,232(46.6%)(Δ -12,412)72,306(29.5%)(Δ -51,387)(42.8%, 27.1%, 21.9%)58,386(23.8%)William H. Taft21.88%80,34230.10%30.74%-0.64%
1916178,816(61.4%)(Δ 64,584)102,308(35.1%)(Δ 30,002)(60.7%, 34.8%, 3.4%)10,049(3.5%)Allan Benson3.41%13,2514.50%4.64%-0.14%
1920104,936(36.7%)(Δ -73,880)173,248(60.5%)(Δ 70,940)(35.9%, 59.3%, 2.8%)8,046(2.8%)Eugene Debs2.75%13,8694.75%5.53%-0.79%
192475,238(22.1%)(Δ -29,698)195,171(57.3%)(Δ 21,923)(22.0%, 57.0%, 20.4%)69,945(20.6%)Robert La Follette20.44%71,85120.99%17.14%3.85%
1928133,131(34.1%)(Δ 57,893)253,872(65.0%)(Δ 58,701)(33.9%, 64.7%, 0.9%)3,472(0.9%)Norman Thomas0.89%5,2391.34%0.99%0.35%
1932250,877(55.2%)(Δ 117,746)189,617(41.8%)(Δ -64,255)(54.8%, 41.4%, 3.0%)13,591(3.0%)Thomas/Maurer2.97%17,2023.76%2.94%0.82%
1936295,021(60.7%)(Δ 44,144)181,267(37.3%)(Δ -8,350)(60.4%, 37.1%, 2.0%)9,962(2.0%)William Lemke2.04%12,3962.54%2.66%-0.12%
1940265,554(48.5%)(Δ -29,467)279,576(51.1%)(Δ 98,309)(48.4%, 50.9%, 0.3%)1,899(0.3%)Norman Thomas0.35%3,8740.71%0.48%0.22%
1944234,331(46.4%)(Δ -31,223)268,731(53.2%)(Δ -10,845)(46.4%, 53.2%, 0.4%)1,977(0.4%)Norman Thomas0.39%1,9770.39%0.72%-0.33%
1948267,288(52.1%)(Δ 32,957)239,714(46.7%)(Δ -29,017)(51.9%, 46.5%, 1.2%)6,115(1.2%)Henry Wallace1.19%8,2351.60%5.38%-3.78%
1952245,504(39.1%)(Δ -21,784)379,782(60.6%)(Δ 140,068)(39.0%, 60.3%, 0.3%)1,919(0.3%)Vincent Hallinan0.30%4,8170.76%0.49%0.28%
1956263,997(39.9%)(Δ 18,493)394,479(59.6%)(Δ 14,697)(39.8%, 59.5%, 0.5%)3,308(0.5%)Eric Hass0.50%4,5980.69%0.67%0.02%
1960330,629(44.9%)(Δ 66,632)402,242(54.7%)(Δ 7,763)(44.9%, 54.6%, 0.4%)2,803(0.4%)Eric Hass0.38%3,3750.46%0.73%-0.27%
1964476,024(61.6%)(Δ 145,395)296,767(38.4%)(Δ -105,475)(61.3%, 38.2%, 0.0%)0(0.0%)None0.00%4,1950.54%0.48%0.06%
1968335,174(41.6%)(Δ -140,850)409,345(50.8%)(Δ 112,578)(41.3%, 50.5%, 7.5%)60,813(7.6%)George Wallace7.50%66,6808.22%13.86%-5.64%
1972329,980(34.9%)(Δ -5,194)597,189(63.2%)(Δ 187,844)(34.6%, 62.6%, 1.8%)17,269(1.8%)John Schmitz1.81%26,7152.80%1.80%1.00%
1976460,353(43.0%)(Δ 130,373)584,367(54.6%)(Δ -12,822)(42.6%, 54.1%, 2.4%)26,107(2.4%)Eugene McCarthy2.41%36,4153.37%1.90%1.47%
1980367,973(32.0%)(Δ -92,380)652,264(56.7%)(Δ 67,897)(31.1%, 55.1%, 11.0%)130,633(11.4%)John Anderson11.03%164,17813.86%8.24%5.62%
1984454,974(35.3%)(Δ 87,001)821,818(63.8%)(Δ 169,554)(35.1%, 63.4%, 0.9%)11,257(0.9%)David Bergland0.87%18,5891.44%0.67%0.77%
1988621,453(45.5%)(Δ 166,479)728,177(53.3%)(Δ -93,641)(45.3%, 53.1%, 1.1%)15,482(1.1%)Ron Paul1.13%22,7641.66%0.98%0.68%
1992629,681(40.4%)(Δ 8,228)562,850(36.1%)(Δ -165,327)(40.1%, 35.9%, 23.3%)366,010(23.5%)Ross Perot23.32%376,64924.00%19.55%4.46%
1996671,152(45.9%)(Δ 41,471)691,848(47.3%)(Δ 128,998)(44.4%, 45.8%, 6.6%)99,629(6.8%)Ross Perot6.59%147,7049.78%10.05%-0.27%
2000738,227(43.1%)(Δ 67,075)883,748(51.6%)(Δ 191,900)(42.4%, 50.8%, 5.3%)91,434(5.3%)Ralph Nader5.25%119,3936.86%3.75%3.11%
20041,001,732(47.3%)(Δ 263,505)1,101,255(52.1%)(Δ 217,507)(47.0%, 51.7%, 0.6%)12,718(0.6%)Ralph Nader0.60%27,3431.28%1.00%0.28%
20081,288,633(54.2%)(Δ 286,901)1,073,629(45.2%)(Δ -27,626)(53.7%, 44.7%, 0.6%)13,352(0.6%)Ralph Nader0.56%39,2001.63%1.42%0.21%
20121,323,102(52.0%)(Δ 34,469)1,185,243(46.6%)(Δ 111,614)(51.5%, 46.1%, 1.4%)35,545(1.4%)Johnson/Gray1.38%61,1732.38%1.73%0.65%
20161,338,870(49.9%)(Δ 15,768)1,202,484(44.8%)(Δ 17,241)(48.2%, 43.3%, 5.2%)144,121(5.4%)Johnson/Weld5.18%238,8938.59%5.73%2.86%
20201,804,352(56.0%)(Δ 465,482)1,364,607(42.4%)(Δ 162,123)(55.4%, 41.9%, 1.6%)52,460(1.6%)Jorgensen/Cohen1.61%88,0212.70%1.84%0.86%
20241,728,159(55.0%)(Δ -76,193)1,377,441(43.9%)(Δ 12,834)(54.1%, 43.1%, 1.1%)35,623(1.1%)Kennedy/Shanahan1.12%87,1452.73%1.88%0.85%

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
Other votes
Number of votes for third-party (other) candidates (raw count(pct%)).
Top 3rd-Party Candidate
Name of the highest-vote third-party / other candidate in that state and year.
Top 3rd-Party Share
Share of the vote received by third-party (other) candidates.
Total 3rd-Party Votes
Total votes for all third-party / other candidates combined (may exceed top candidate).
State 3rd-Party Share
Share of the vote received by third-party (other) candidates.
3rd-Party Nat. Share
The national third-party share for that year (3rd-Party votes / total votes).
3rd-Party Rel. Share
Third-party share relative to the national third-party share (3rd-Party share - Nat. 3rd-Party share).

Colorado (CO) — Two-Party Data

YearDRMargin (D%, R%, 3rd%)2-Party Margin2-Party Nat. Margin2-Party Rel. MarginEVs
18760(0.0%)1(100.0%)(0.0%, 100.0%, 0.0%)R+100.0D+3.0R+103.03
188024,647(47.3%)(Δ 24,647)27,450(52.7%)(Δ 27,449)(46.0%, 51.3%, 2.7%)R+5.4(Δ D+94.6)R+0.1(Δ R+3.1)R+5.3(Δ D+97.8)3
188427,723(43.4%)(Δ 3,076)36,084(56.6%)(Δ 8,634)(41.7%, 54.2%, 2.9%)R+13.1(Δ R+7.7)D+0.6(Δ D+0.7)R+13.7(Δ R+8.4)3
188837,549(42.5%)(Δ 9,826)50,772(57.5%)(Δ 14,688)(40.8%, 55.2%, 2.4%)R+15.0(Δ R+1.9)D+0.9(Δ D+0.3)R+15.8(Δ R+2.1)3
18920(0.0%)(Δ -37,549)38,620(100.0%)(Δ -12,152)(0.0%, 41.1%, 57.1%)R+100.0(Δ R+85.0)D+3.4(Δ D+2.5)R+103.4(Δ R+87.5)4
1896161,005(86.0%)(Δ 161,005)26,271(14.0%)(Δ -12,349)(84.9%, 13.9%, 0.9%)D+71.9(Δ D+171.9)R+4.4(Δ R+7.8)D+76.4(Δ D+179.7)4
1900122,733(56.9%)(Δ -38,272)93,072(43.1%)(Δ 66,801)(55.4%, 42.0%, 1.7%)D+13.7(Δ R+58.2)R+6.3(Δ R+1.9)D+20.1(Δ R+56.3)4
1904100,105(42.6%)(Δ -22,628)134,661(57.4%)(Δ 41,589)(41.1%, 55.3%, 1.8%)R+14.7(Δ R+28.5)R+20.0(Δ R+13.7)D+5.3(Δ R+14.7)5
1908126,644(50.6%)(Δ 26,539)123,693(49.4%)(Δ -10,968)(48.0%, 46.9%, 3.0%)D+1.2(Δ D+15.9)R+9.0(Δ D+11.0)D+10.2(Δ D+4.9)5
1912114,232(61.2%)(Δ -12,412)72,306(38.8%)(Δ -51,387)(42.8%, 27.1%, 21.9%)D+22.5(Δ D+21.3)D+20.9(Δ D+29.9)D+1.6(Δ R+8.6)6
1916178,816(63.6%)(Δ 64,584)102,308(36.4%)(Δ 30,002)(60.7%, 34.8%, 3.4%)D+27.2(Δ D+4.7)D+3.3(Δ R+17.6)D+23.9(Δ D+22.3)6
1920104,936(37.7%)(Δ -73,880)173,248(62.3%)(Δ 70,940)(35.9%, 59.3%, 2.8%)R+24.6(Δ R+51.8)R+27.7(Δ R+31.0)D+3.1(Δ R+20.8)6
192475,238(27.8%)(Δ -29,698)195,171(72.2%)(Δ 21,923)(22.0%, 57.0%, 20.4%)R+44.4(Δ R+19.8)R+30.4(Δ R+2.7)R+13.9(Δ R+17.1)6
1928133,131(34.4%)(Δ 57,893)253,872(65.6%)(Δ 58,701)(33.9%, 64.7%, 0.9%)R+31.2(Δ D+13.2)R+17.6(Δ D+12.8)R+13.6(Δ D+0.3)6
1932250,877(57.0%)(Δ 117,746)189,617(43.0%)(Δ -64,255)(54.8%, 41.4%, 3.0%)D+13.9(Δ D+45.1)D+18.3(Δ D+35.9)R+4.4(Δ D+9.2)6
1936295,021(61.9%)(Δ 44,144)181,267(38.1%)(Δ -8,350)(60.4%, 37.1%, 2.0%)D+23.9(Δ D+10.0)D+24.9(Δ D+6.6)R+1.0(Δ D+3.4)6
1940265,554(48.7%)(Δ -29,467)279,576(51.3%)(Δ 98,309)(48.4%, 50.9%, 0.3%)R+2.6(Δ R+26.5)D+10.0(Δ R+14.9)R+12.6(Δ R+11.5)6
1944234,331(46.6%)(Δ -31,223)268,731(53.4%)(Δ -10,845)(46.4%, 53.2%, 0.4%)R+6.8(Δ R+4.3)D+7.5(Δ R+2.5)R+14.4(Δ R+1.8)6
1948267,288(52.7%)(Δ 32,957)239,714(47.3%)(Δ -29,017)(51.9%, 46.5%, 1.2%)D+5.4(Δ D+12.3)D+4.7(Δ R+2.8)D+0.7(Δ D+15.1)6
1952245,504(39.3%)(Δ -21,784)379,782(60.7%)(Δ 140,068)(39.0%, 60.3%, 0.3%)R+21.5(Δ R+26.9)R+10.9(Δ R+15.6)R+10.6(Δ R+11.3)6
1956263,997(40.1%)(Δ 18,493)394,479(59.9%)(Δ 14,697)(39.8%, 59.5%, 0.5%)R+19.8(Δ D+1.7)R+15.5(Δ R+4.6)R+4.3(Δ D+6.3)6
1960330,629(45.1%)(Δ 66,632)402,242(54.9%)(Δ 7,763)(44.9%, 54.6%, 0.4%)R+9.8(Δ D+10.0)D+0.2(Δ D+15.7)R+9.9(Δ R+5.6)6
1964476,024(61.6%)(Δ 145,395)296,767(38.4%)(Δ -105,475)(61.3%, 38.2%, 0.0%)D+23.2(Δ D+33.0)D+22.7(Δ D+22.5)D+0.5(Δ D+10.4)6
1968335,174(45.0%)(Δ -140,850)409,345(55.0%)(Δ 112,578)(41.3%, 50.5%, 7.5%)R+10.0(Δ R+33.2)R+0.8(Δ R+23.5)R+9.2(Δ R+9.7)6
1972329,980(35.6%)(Δ -5,194)597,189(64.4%)(Δ 187,844)(34.6%, 62.6%, 1.8%)R+28.8(Δ R+18.9)R+23.6(Δ R+22.8)R+5.2(Δ D+3.9)7
1976460,353(44.1%)(Δ 130,373)584,367(55.9%)(Δ -12,822)(42.6%, 54.1%, 2.4%)R+11.9(Δ D+16.9)D+2.1(Δ D+25.7)R+14.0(Δ R+8.7)7
1980367,973(36.1%)(Δ -92,380)652,264(63.9%)(Δ 67,897)(31.1%, 55.1%, 11.0%)R+27.9(Δ R+16.0)R+10.6(Δ R+12.7)R+17.3(Δ R+3.3)7
1984454,974(35.6%)(Δ 87,001)821,818(64.4%)(Δ 169,554)(35.1%, 63.4%, 0.9%)R+28.7(Δ R+0.9)R+18.3(Δ R+7.7)R+10.4(Δ D+6.9)8
1988621,453(46.0%)(Δ 166,479)728,177(54.0%)(Δ -93,641)(45.3%, 53.1%, 1.1%)R+7.9(Δ D+20.8)R+7.8(Δ D+10.5)R+0.1(Δ D+10.3)8
1992629,681(52.8%)(Δ 8,228)562,850(47.2%)(Δ -165,327)(40.1%, 35.9%, 23.3%)D+5.6(Δ D+13.5)D+6.9(Δ D+14.7)R+1.3(Δ R+1.2)8
1996671,152(49.2%)(Δ 41,471)691,848(50.8%)(Δ 128,998)(44.4%, 45.8%, 6.6%)R+1.5(Δ R+7.1)D+9.5(Δ D+2.6)R+11.0(Δ R+9.7)8
2000738,227(45.5%)(Δ 67,075)883,748(54.5%)(Δ 191,900)(42.4%, 50.8%, 5.3%)R+9.0(Δ R+7.5)D+0.5(Δ R+8.9)R+9.5(Δ D+1.5)8
20041,001,732(47.6%)(Δ 263,505)1,101,255(52.4%)(Δ 217,507)(47.0%, 51.7%, 0.6%)R+4.7(Δ D+4.2)R+2.5(Δ R+3.0)R+2.2(Δ D+7.3)9
20081,288,633(54.6%)(Δ 286,901)1,073,629(45.4%)(Δ -27,626)(53.7%, 44.7%, 0.6%)D+9.1(Δ D+13.8)D+7.4(Δ D+9.9)D+1.7(Δ D+4.0)9
20121,323,102(52.7%)(Δ 34,469)1,185,243(47.3%)(Δ 111,614)(51.5%, 46.1%, 1.4%)D+5.5(Δ R+3.6)D+3.9(Δ R+3.4)D+1.6(Δ R+0.2)9
20161,338,870(52.7%)(Δ 15,768)1,202,484(47.3%)(Δ 17,241)(48.2%, 43.3%, 5.2%)D+5.4(Δ R+0.1)D+2.2(Δ R+1.7)D+3.1(Δ D+1.6)9
20201,804,352(56.9%)(Δ 465,482)1,364,607(43.1%)(Δ 162,123)(55.4%, 41.9%, 1.6%)D+13.9(Δ D+8.5)D+4.5(Δ D+2.3)D+9.3(Δ D+6.2)9
20241,728,159(55.6%)(Δ -76,193)1,377,441(44.4%)(Δ 12,834)(54.1%, 43.1%, 1.1%)D+11.3(Δ R+2.6)R+1.5(Δ R+6.0)D+12.8(Δ D+3.5)10

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
2-Party Margin
Margin between the two major-party candidates, ignoring third-party votes ((D - R)/(D + R)).
2-Party Nat. Margin
The national presidential margin for that year, including third-party votes ((D_total - R_total)/total_votes).
2-Party Rel. Margin
The presidential margin relative to the national presidential margin (Margin - Nat. Margin).
EVs
Number of electoral votes allocated to this state or unit.

Colorado (CO) — Senate Total Data

YearDRMargin (D%, R%, 3rd%)ClassD Cand.R Cand.Senate MarginNat. MarginRel. MarginTotal votesSource
1978330,148(40.3%)480,801(58.7%)(40.3%, 58.7%, 0.7%)IIFLOYD K. HASKELLWILLIAM L. ARMSTRONGR+18.4D+3.0(Δ R+9.3)R+21.4819,256
1980590,501(50.3%)571,295(48.7%)(50.3%, 48.7%, 0.6%)IIIGARY HARTMARY ESTILL BUCHANAND+1.6D+11.0(Δ D+8.0)R+9.31,173,142
1984449,327(34.6%)(Δ 119,179)833,821(64.2%)(Δ 353,020)(34.6%, 64.2%, 0.9%)IINANCY DICKWILLIAM L. "BILL" ARMSTRONGR+29.6(Δ R+11.2)R+1.4(Δ R+14.8)R+28.2(Δ R+6.9)1,297,809(Δ 478,553)
1986529,449(49.9%)(Δ -61,052)512,994(48.4%)(Δ -58,301)(49.9%, 48.4%, 1.0%)IIITIMOTHY E. WIRTHKEN KRAMERD+1.6(Δ R+0.1)D+2.3(Δ D+3.7)R+0.8(Δ D+8.6)1,060,765(Δ -112,377)
1990425,746(41.7%)(Δ -23,581)569,048(55.7%)(Δ -264,773)(41.7%, 55.7%, 1.5%)IIJOSIE HEATHHANK BROWNR+14.0(Δ D+15.6)D+4.5(Δ R+1.4)R+18.5(Δ D+9.7)1,022,027(Δ -275,782)
1992803,725(51.8%)(Δ 274,276)662,893(42.7%)(Δ 149,899)(51.8%, 42.7%, 2.7%)IIIBEN NIGHTHORSE CAMPBELLTERRY CONSIDINED+9.1(Δ D+7.5)D+5.4(Δ D+0.9)D+3.7(Δ D+4.4)1,552,289(Δ 491,524)
1996667,600(45.7%)(Δ 241,854)750,315(51.4%)(Δ 181,267)(45.7%, 51.4%, 2.9%)IITOM STRICKLANDWAYNE ALLARDR+5.7(Δ D+8.4)R+1.5(Δ D+4.4)R+4.2(Δ D+14.3)1,459,601(Δ 437,574)
1998464,754(35.0%)(Δ -338,971)829,370(62.5%)(Δ 166,477)(35.0%, 62.5%, 1.1%)IIIDOTTIE LAMMBEN NIGHTHORSE CAMPBELLR+27.5(Δ R+36.5)D+1.3(Δ D+2.8)R+28.8(Δ R+32.5)1,327,235(Δ -225,054)
2002648,130(45.8%)(Δ -19,470)717,893(50.7%)(Δ -32,422)(45.8%, 50.7%, 1.5%)IITOM STRICKLANDWAYNE ALLARDR+4.9(Δ D+0.7)R+4.1(Δ R+4.2)R+0.8(Δ D+3.4)1,416,082(Δ -43,519)
20041,081,188(51.3%)(Δ 616,434)980,668(46.5%)(Δ 151,298)(51.3%, 46.5%, 0.9%)IIIKEN SALAZARPETE COORSD+4.8(Δ D+32.2)D+4.3(Δ D+8.4)D+0.5(Δ D+29.3)2,107,472(Δ 780,237)
20081,230,994(52.8%)(Δ 582,864)990,755(42.5%)(Δ 272,862)(52.8%, 42.5%, 2.6%)IIMARK UDALLBOB SCHAFFERD+10.3(Δ D+15.2)D+7.5(Δ R+5.7)D+2.8(Δ D+3.6)2,331,621(Δ 915,539)
2010851,590(48.1%)(Δ -229,598)822,731(46.4%)(Δ -157,937)(48.1%, 46.4%, 2.2%)IIIMICHAEL F. BENNETKEN BUCKD+1.6(Δ R+3.1)R+4.6(Δ R+12.2)D+6.3(Δ D+5.7)1,772,286(Δ -335,186)
2014944,203(46.3%)(Δ -286,791)983,891(48.2%)(Δ -6,864)(46.3%, 48.2%, 2.6%)IIMARK UDALLCORY GARDNERR+1.9(Δ R+12.2)R+7.2(Δ R+19.5)D+5.2(Δ D+2.5)2,041,058(Δ -290,563)
20161,370,710(50.0%)(Δ 519,120)1,215,318(44.3%)(Δ 392,587)(50.0%, 44.3%, 3.6%)IIIMICHAEL F. BENNETDARRYL GLENND+5.7(Δ D+4.0)D+6.0(Δ D+13.1)R+0.3(Δ R+6.6)2,743,023(Δ 970,737)
20201,731,114(53.5%)(Δ 786,911)1,429,492(44.2%)(Δ 445,601)(53.5%, 44.2%, 1.7%)IIJOHN W. HICKENLOOPERCORY GARDNERD+9.3(Δ D+11.3)R+2.3(Δ R+19.1)D+11.6(Δ D+6.4)3,235,790(Δ 1,194,732)
20221,397,170(55.9%)(Δ 26,460)1,031,693(41.3%)(Δ -183,625)(55.9%, 41.3%, 1.7%)IIIMichael BennetJoe O'DeaD+14.6(Δ D+9.0)R+2.4(Δ R+0.1)D+17.0(Δ D+17.3)2,500,201(Δ -242,822)Wikipedia

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
Class
Senate class (I, II, or III) for this race.
D Cand.
Name of the Democratic candidate.
R Cand.
Name of the Republican candidate.
Senate Margin
Senate margin between the two major-party candidates, including third-party votes ((D - R)/total).
Nat. Margin
The national presidential margin for that year, including third-party votes ((D_total - R_total)/total_votes).
Rel. Margin
The presidential margin relative to the national presidential margin (Margin - Nat. Margin).
Total votes
Total voter turnout or ballots cast (when provided).
Source
URL of the source for this data (usually Wikipedia).

Colorado (CO) — Senate Third-Party Data

YearDRMargin (D%, R%, 3rd%)Other votesTop 3rd-Party CandidateTop 3rd-Party ShareTotal 3rd-Party VotesState 3rd-Party Share3rd-Party Nat. Share3rd-Party Rel. Share
1978330,148(40.3%)480,801(58.7%)(40.3%, 58.7%, 0.7%)8,307(1.0%)VEDDER V. DRON0.71%8,3071.01%1.77%-0.75%
1980590,501(50.3%)571,295(48.7%)(50.3%, 48.7%, 0.6%)11,346(1.0%)EARL HIGGERSON0.62%11,3460.97%3.33%-2.36%
1984449,327(34.6%)(Δ 119,179)833,821(64.2%)(Δ 353,020)(34.6%, 64.2%, 0.9%)14,661(1.1%)CRAIG GREEN0.85%14,6611.13%0.86%0.27%
1986529,449(49.9%)(Δ -61,052)512,994(48.4%)(Δ -58,301)(49.9%, 48.4%, 1.0%)18,322(1.7%)MICHAEL MARTIN BUSH1.05%18,3221.73%1.68%0.05%
1990425,746(41.7%)(Δ -23,581)569,048(55.7%)(Δ -264,773)(41.7%, 55.7%, 1.5%)27,233(2.7%)JOHN HECKMAN1.51%27,2332.66%1.81%0.86%
1992803,725(51.8%)(Δ 274,276)662,893(42.7%)(Δ 149,899)(51.8%, 42.7%, 2.7%)85,671(5.5%)RICHARD O. GRIMES2.73%85,6715.52%5.04%0.48%
1996667,600(45.7%)(Δ 241,854)750,315(51.4%)(Δ 181,267)(45.7%, 51.4%, 2.9%)41,620(2.9%)RANDY MACKENZIE2.85%41,6202.85%2.64%0.22%
1998464,754(35.0%)(Δ -338,971)829,370(62.5%)(Δ 166,477)(35.0%, 62.5%, 1.1%)33,111(2.5%)DAVID S. SEGAL1.06%33,1112.49%3.30%-0.80%
2002648,130(45.8%)(Δ -19,470)717,893(50.7%)(Δ -32,422)(45.8%, 50.7%, 1.5%)49,463(3.5%)DOULGAS "DAYHORSE" CAMPBELL1.52%49,4633.49%4.10%-0.61%
20041,081,188(51.3%)(Δ 616,434)980,668(46.5%)(Δ 151,298)(51.3%, 46.5%, 0.9%)45,616(2.2%)DOUGLAS "DAYHORSE" CAMPBELL0.89%45,6162.16%3.46%-1.30%
20081,230,994(52.8%)(Δ 582,864)990,755(42.5%)(Δ 272,862)(52.8%, 42.5%, 2.6%)109,737(4.7%)DOUGLAS "DAYHORSE" CAMPBELL2.56%109,7374.71%3.51%1.19%
2010851,590(48.1%)(Δ -229,598)822,731(46.4%)(Δ -157,937)(48.1%, 46.4%, 2.2%)97,869(5.5%)BOB KINSEY2.19%97,8695.52%6.58%-1.06%
2014944,203(46.3%)(Δ -286,791)983,891(48.2%)(Δ -6,864)(46.3%, 48.2%, 2.6%)112,926(5.5%)GAYLON KENT2.59%112,9265.53%4.37%1.16%
20161,370,710(50.0%)(Δ 519,120)1,215,318(44.3%)(Δ 392,587)(50.0%, 44.3%, 3.6%)156,995(5.7%)LILY TANG WILLIAMS3.62%156,9955.72%4.46%1.26%
20201,731,114(53.5%)(Δ 786,911)1,429,492(44.2%)(Δ 445,601)(53.5%, 44.2%, 1.7%)75,184(2.3%)RAYMON ANTHONY DOANE1.74%75,1842.32%3.96%-1.64%
20221,397,170(55.9%)(Δ 26,460)1,031,693(41.3%)(Δ -183,625)(55.9%, 41.3%, 1.7%)71,338(2.9%)Brian Peotter1.74%71,3382.85%15.16%-12.31%

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
Other votes
Number of votes for third-party (other) candidates (raw count(pct%)).
Top 3rd-Party Candidate
Name of the highest-vote third-party / other candidate in that state and year.
Top 3rd-Party Share
Share of the vote received by third-party (other) candidates.
Total 3rd-Party Votes
Total votes for all third-party / other candidates combined (may exceed top candidate).
State 3rd-Party Share
Share of the vote received by third-party (other) candidates.
3rd-Party Nat. Share
The national third-party share for that year (3rd-Party votes / total votes).
3rd-Party Rel. Share
Third-party share relative to the national third-party share (3rd-Party share - Nat. 3rd-Party share).

Colorado (CO) — Senate Two-Party Data

YearDRMargin (D%, R%, 3rd%)2-Party Margin2-Party Nat. Margin2-Party Rel. Margin
1978330,148(40.7%)480,801(59.3%)(40.3%, 58.7%, 0.7%)R+18.6D+3.0(Δ R+9.8)R+21.6
1980590,501(50.8%)571,295(49.2%)(50.3%, 48.7%, 0.6%)D+1.7D+11.9(Δ D+8.9)R+10.2
1984449,327(35.0%)(Δ 119,179)833,821(65.0%)(Δ 353,020)(34.6%, 64.2%, 0.9%)R+30.0(Δ R+11.4)R+1.4(Δ R+15.5)R+28.6(Δ R+7.0)
1986529,449(50.8%)(Δ -61,052)512,994(49.2%)(Δ -58,301)(49.9%, 48.4%, 1.0%)D+1.6(Δ R+0.1)D+2.4(Δ D+3.8)R+0.8(Δ D+9.4)
1990425,746(42.8%)(Δ -23,581)569,048(57.2%)(Δ -264,773)(41.7%, 55.7%, 1.5%)R+14.4(Δ D+15.6)D+4.6(Δ R+1.4)R+19.0(Δ D+9.6)
1992803,725(54.8%)(Δ 274,276)662,893(45.2%)(Δ 149,899)(51.8%, 42.7%, 2.7%)D+9.6(Δ D+8.0)D+5.8(Δ D+1.2)D+3.8(Δ D+4.6)
1996667,600(47.1%)(Δ 241,854)750,315(52.9%)(Δ 181,267)(45.7%, 51.4%, 2.9%)R+5.8(Δ D+8.6)R+1.5(Δ D+4.8)R+4.3(Δ D+14.7)
1998464,754(35.9%)(Δ -338,971)829,370(64.1%)(Δ 166,477)(35.0%, 62.5%, 1.1%)R+28.2(Δ R+37.8)D+1.5(Δ D+3.0)R+29.7(Δ R+33.5)
2002648,130(47.4%)(Δ -19,470)717,893(52.6%)(Δ -32,422)(45.8%, 50.7%, 1.5%)R+5.1(Δ D+0.7)R+4.4(Δ R+4.5)R+0.7(Δ D+3.6)
20041,081,188(52.4%)(Δ 616,434)980,668(47.6%)(Δ 151,298)(51.3%, 46.5%, 0.9%)D+4.9(Δ D+33.0)D+4.4(Δ D+8.9)D+0.4(Δ D+30.1)
20081,230,994(55.4%)(Δ 582,864)990,755(44.6%)(Δ 272,862)(52.8%, 42.5%, 2.6%)D+10.8(Δ D+15.9)D+7.8(Δ R+6.4)D+3.0(Δ D+3.7)
2010851,590(50.9%)(Δ -229,598)822,731(49.1%)(Δ -157,937)(48.1%, 46.4%, 2.2%)D+1.7(Δ R+3.2)R+5.1(Δ R+12.9)D+6.8(Δ D+6.4)
2014944,203(49.0%)(Δ -286,791)983,891(51.0%)(Δ -6,864)(46.3%, 48.2%, 2.6%)R+2.1(Δ R+12.9)R+7.5(Δ R+20.9)D+5.5(Δ D+2.4)
20161,370,710(53.0%)(Δ 519,120)1,215,318(47.0%)(Δ 392,587)(50.0%, 44.3%, 3.6%)D+6.0(Δ D+4.3)D+6.9(Δ D+14.4)R+0.9(Δ R+7.7)
20201,731,114(54.8%)(Δ 786,911)1,429,492(45.2%)(Δ 445,601)(53.5%, 44.2%, 1.7%)D+9.5(Δ D+11.6)R+2.4(Δ R+21.1)D+11.9(Δ D+6.5)
20221,397,170(57.5%)(Δ 26,460)1,031,693(42.5%)(Δ -183,625)(55.9%, 41.3%, 1.7%)D+15.0(Δ D+9.0)R+2.8(Δ R+0.5)D+17.9(Δ D+18.7)

Column explanations

Δ
Change (delta) in the value from the previous election year.
Year
Election year.
D
Number of votes for the Democratic candidate (raw count(pct%)).
R
Number of votes for the Republican candidate (raw count(pct%)).
Margin (D%, R%, 3rd%)
Vote share breakdown showing Democratic %, Republican %, and top third-party % in format (D%, R%, 3rd%).
2-Party Margin
Margin between the two major-party candidates, ignoring third-party votes ((D - R)/(D + R)).
2-Party Nat. Margin
The national presidential margin for that year, including third-party votes ((D_total - R_total)/total_votes).
2-Party Rel. Margin
The presidential margin relative to the national presidential margin (Margin - Nat. Margin).