Arkansas (AR) — Statewide

Arkansas (AR) — Statewide

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1864 2024
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Arkansas (AR) — Total Data

YearDRMargin (D%, R%, 3rd%)D Cand.R Cand.State MarginNat. MarginRel. MarginTotal votesSourceEVs
186819,078(46.3%)22,112(53.7%)(46.3%, 53.7%, 0.0%)Horatio SeymourUlysses S. GrantR+7.4R+5.3R+2.041,190Wikipedia5
187237,927(47.8%)(Δ 18,849)41,373(52.2%)(Δ 19,261)(47.8%, 52.2%, 0.0%)Horace GreeleyUlysses S. GrantR+4.3(Δ D+3.0)R+11.8(Δ R+6.5)D+7.5(Δ D+9.5)79,300(Δ 38,110)Wikipedia6
187658,086(59.9%)(Δ 20,159)38,649(39.9%)(Δ -2,724)(59.9%, 39.9%, 0.2%)Samuel J. TildenRutherford B. HayesD+20.0(Δ D+24.4)D+3.0(Δ D+14.8)D+17.0(Δ D+9.6)96,946(Δ 17,646)Wikipedia6
188060,775(56.6%)(Δ 2,689)42,436(39.6%)(Δ 3,787)(56.6%, 39.6%, 3.8%)Winfield Scott HancockJames A. GarfieldD+17.1(Δ R+3.0)R+0.1(Δ R+3.1)D+17.2(Δ D+0.1)107,290(Δ 10,344)Wikipedia6
188472,734(57.8%)(Δ 11,959)51,198(40.7%)(Δ 8,762)(57.8%, 40.7%, 1.5%)Grover ClevelandJames G. BlaineD+17.1(Δ D+0.0)D+0.6(Δ D+0.7)D+16.5(Δ R+0.6)125,779(Δ 18,489)Wikipedia7
188886,062(55.0%)(Δ 13,328)59,752(38.2%)(Δ 8,554)(54.8%, 38.0%, 6.8%)Grover ClevelandBenjamin HarrisonD+16.8(Δ R+0.4)D+0.8(Δ D+0.3)D+15.9(Δ R+0.6)157,058(Δ 31,279)Wikipedia7
189287,834(59.9%)(Δ 1,772)47,072(32.1%)(Δ -12,680)(59.3%, 31.8%, 8.0%)Grover ClevelandBenjamin HarrisonD+27.5(Δ D+10.8)D+3.0(Δ D+2.2)D+24.5(Δ D+8.6)148,117(Δ -8,941)Wikipedia8
1896110,103(74.1%)(Δ 22,269)37,512(25.3%)(Δ -9,560)(73.7%, 25.1%, 0.6%)William Jennings BryanWilliam McKinleyD+48.6(Δ D+21.1)R+4.3(Δ R+7.3)D+52.9(Δ D+28.4)149,347(Δ 1,230)Wikipedia8
190081,142(63.9%)(Δ -28,961)44,800(35.3%)(Δ 7,288)(63.5%, 35.0%, 0.8%)William Jennings BryanWilliam McKinleyD+28.4(Δ R+20.2)R+6.1(Δ R+1.8)D+34.6(Δ R+18.4)127,866(Δ -21,481)Wikipedia8
190464,434(56.7%)(Δ -16,708)46,860(41.2%)(Δ 2,060)(55.3%, 40.3%, 2.0%)Alton B. ParkerTheodore RooseveltD+15.1(Δ R+13.3)R+18.8(Δ R+12.7)D+33.9(Δ R+0.6)116,421(Δ -11,445)Wikipedia9
190887,015(58.2%)(Δ 22,581)56,624(37.9%)(Δ 9,764)(57.3%, 37.3%, 3.8%)William Jennings BryanWilliam Howard TaftD+20.0(Δ D+4.9)R+8.5(Δ D+10.3)D+28.5(Δ R+5.4)151,822(Δ 35,401)Wikipedia9
191268,814(59.3%)(Δ -18,201)21,644(18.7%)(Δ -34,980)(55.0%, 17.3%, 20.5%)Woodrow WilsonTheodore RooseveltD+37.7(Δ D+17.7)D+14.4(Δ D+23.0)D+23.3(Δ R+5.3)125,104(Δ -26,718)Wikipedia9
1916112,211(66.8%)(Δ 43,397)48,879(29.1%)(Δ 27,235)(66.0%, 28.7%, 4.1%)Woodrow WilsonCharles Evans HughesD+37.2(Δ R+0.5)D+3.1(Δ R+11.3)D+34.1(Δ D+10.9)170,104(Δ 45,000)Wikipedia9
1920107,409(58.5%)(Δ -4,802)71,117(38.7%)(Δ 22,238)(58.5%, 38.7%, 2.8%)James M. CoxWarren G. HardingD+19.8(Δ R+17.5)R+26.2(Δ R+29.3)D+45.9(Δ D+11.8)183,637(Δ 13,533)Wikipedia9
192484,795(61.2%)(Δ -22,614)40,564(29.3%)(Δ -30,553)(61.2%, 29.3%, 9.5%)John W. DavisCalvin CoolidgeD+31.9(Δ D+12.2)R+25.2(Δ D+1.0)D+57.1(Δ D+11.2)138,532(Δ -45,105)Wikipedia9
1928119,196(60.4%)(Δ 34,401)77,751(39.4%)(Δ 37,187)(60.3%, 39.3%, 0.2%)Al SmithHerbert HooverD+21.0(Δ R+11.0)R+17.4(Δ D+7.8)D+38.4(Δ R+18.8)197,693(Δ 59,161)Wikipedia9
1932189,602(86.4%)(Δ 70,406)28,467(13.0%)(Δ -49,284)(86.0%, 12.9%, 0.6%)Franklin D. RooseveltHerbert HooverD+73.1(Δ D+52.1)D+17.8(Δ D+35.2)D+55.3(Δ D+16.9)220,562(Δ 22,869)Wikipedia9
1936146,765(81.9%)(Δ -42,837)32,039(17.9%)(Δ 3,572)(81.8%, 17.9%, 0.2%)Franklin D. RooseveltAlf LandonD+63.9(Δ R+9.1)D+24.3(Δ D+6.5)D+39.7(Δ R+15.6)179,423(Δ -41,139)Wikipedia9
1940158,622(79.0%)(Δ 11,857)42,121(21.0%)(Δ 10,082)(79.0%, 21.0%, 0.0%)Franklin D. RooseveltWendell WillkieD+58.0(Δ R+5.9)D+10.0(Δ R+14.3)D+48.1(Δ D+8.4)200,743(Δ 21,320)Wikipedia9
1944148,965(70.0%)(Δ -9,657)63,551(29.8%)(Δ 21,430)(70.0%, 29.8%, 0.2%)Franklin D. RooseveltThomas E. DeweyD+40.1(Δ R+17.9)D+7.5(Δ R+2.5)D+32.6(Δ R+15.5)212,954(Δ 12,211)Wikipedia9
1948149,659(62.2%)(Δ 694)50,959(21.2%)(Δ -12,592)(61.7%, 21.0%, 16.5%)Harry S. TrumanThomas E. DeweyD+40.7(Δ D+0.6)D+4.5(Δ R+3.0)D+36.2(Δ D+3.6)242,475(Δ 29,521)Wikipedia9
1952226,300(56.0%)(Δ 76,641)177,155(43.8%)(Δ 126,196)(55.9%, 43.8%, 0.2%)Adlai StevensonDwight D. EisenhowerD+12.1(Δ R+28.6)R+10.9(Δ R+15.3)D+23.0(Δ R+13.2)404,800(Δ 162,325)Wikipedia8
1956213,277(52.5%)(Δ -13,023)186,287(45.8%)(Δ 9,132)(52.5%, 45.8%, 1.7%)Adlai StevensonDwight D. EisenhowerD+6.6(Δ R+5.5)R+15.4(Δ R+4.5)D+22.0(Δ R+1.0)406,572(Δ 1,772)Wikipedia8
1960215,049(50.2%)(Δ 1,772)184,508(43.1%)(Δ -1,779)(50.2%, 43.1%, 6.8%)John F. KennedyRichard NixonD+7.1(Δ D+0.5)D+0.2(Δ D+15.6)D+7.0(Δ R+15.1)428,509(Δ 21,937)Wikipedia8
1964314,197(56.4%)(Δ 99,148)243,264(43.6%)(Δ 58,756)(56.1%, 43.4%, 0.0%)Lyndon B. JohnsonBarry GoldwaterD+12.7(Δ D+5.5)D+22.6(Δ D+22.4)R+9.9(Δ R+16.9)560,426(Δ 131,917)Wikipedia6
1968184,901(30.3%)(Δ -129,296)189,062(31.0%)(Δ -54,202)(30.3%, 31.0%, 38.7%)Hubert HumphreyRichard NixonT+7.6(Δ R+13.3)R+0.7(Δ R+23.3)D+0.0(Δ D+9.9)609,590(Δ 49,164)Wikipedia6
1972198,899(30.7%)(Δ 13,998)445,751(68.8%)(Δ 256,689)(30.7%, 68.8%, 0.5%)George McGovernRichard NixonR+38.1(Δ R+37.4)R+23.1(Δ R+22.4)R+15.0(Δ R+15.0)647,666(Δ 38,076)Wikipedia6
1976499,614(65.0%)(Δ 300,715)268,753(34.9%)(Δ -176,998)(64.9%, 34.9%, 0.1%)Jimmy CarterGerald FordD+30.0(Δ D+68.1)D+2.1(Δ D+25.2)D+27.9(Δ D+42.9)769,396(Δ 121,730)Wikipedia6
1980398,041(48.3%)(Δ -101,573)403,164(48.9%)(Δ 134,411)(47.5%, 48.1%, 2.7%)Jimmy CarterRonald ReaganR+0.6(Δ R+30.6)R+9.7(Δ R+11.8)D+9.1(Δ R+18.8)837,582(Δ 68,186)Wikipedia6
1984338,646(38.7%)(Δ -59,395)534,774(61.1%)(Δ 131,610)(38.3%, 60.5%, 0.3%)Walter MondaleRonald ReaganR+22.2(Δ R+21.6)R+18.2(Δ R+8.5)R+4.0(Δ R+13.1)884,406(Δ 46,824)Wikipedia6
1988349,237(42.6%)(Δ 10,591)466,578(57.0%)(Δ -68,196)(42.2%, 56.4%, 0.4%)Michael DukakisGeorge H.W. BushR+14.2(Δ D+8.0)R+7.7(Δ D+10.5)R+6.4(Δ R+2.5)827,738(Δ -56,668)Wikipedia6
1992505,823(53.7%)(Δ 156,586)337,324(35.8%)(Δ -129,254)(53.2%, 35.5%, 10.4%)Bill ClintonGeorge H.W. BushD+17.7(Δ D+31.9)D+5.6(Δ D+13.3)D+12.2(Δ D+18.6)950,653(Δ 122,915)Wikipedia6
1996475,171(54.6%)(Δ -30,652)325,416(37.4%)(Δ -11,908)(53.7%, 36.8%, 7.9%)Bill ClintonBob DoleD+16.9(Δ R+0.8)D+8.5(Δ D+3.0)D+8.4(Δ R+3.8)884,262(Δ -66,391)Wikipedia6
2000422,768(46.5%)(Δ -52,403)472,940(52.0%)(Δ 147,524)(45.9%, 51.3%, 1.5%)Al GoreGeorge W. BushR+5.4(Δ R+22.4)D+0.5(Δ R+8.0)R+6.0(Δ R+14.4)921,781(Δ 37,519)Wikipedia6
2004469,953(44.8%)(Δ 47,185)572,898(54.6%)(Δ 99,958)(44.5%, 54.3%, 0.6%)John KerryGeorge W. BushR+9.8(Δ R+4.3)R+2.5(Δ R+3.0)R+7.3(Δ R+1.3)1,054,945(Δ 133,164)Wikipedia6
2008422,310(39.4%)(Δ -47,643)638,017(59.4%)(Δ 65,119)(38.9%, 58.7%, 1.2%)Barack ObamaJohn McCainR+19.9(Δ R+10.1)D+7.3(Δ D+9.7)R+27.1(Δ R+19.8)1,086,617(Δ 31,672)Wikipedia6
2012394,409(37.3%)(Δ -27,901)647,744(61.2%)(Δ 9,727)(36.9%, 60.6%, 1.5%)Barack ObamaMitt RomneyR+23.7(Δ R+3.8)D+3.9(Δ R+3.4)R+27.5(Δ R+0.4)1,069,468(Δ -17,149)Wikipedia6
2016380,494(34.7%)(Δ -13,915)684,872(62.5%)(Δ 37,128)(33.7%, 60.6%, 2.6%)Hillary ClintonDonald TrumpR+26.9(Δ R+3.2)D+2.1(Δ R+1.8)R+29.0(Δ R+1.5)1,130,676(Δ 61,208)Wikipedia6
2020423,932(35.4%)(Δ 43,438)760,647(63.5%)(Δ 75,775)(34.8%, 62.4%, 1.1%)Joe BidenDonald TrumpR+27.6(Δ R+0.7)D+4.5(Δ D+2.4)R+32.1(Δ R+3.1)1,219,069(Δ 88,393)Wikipedia6
2024396,905(33.9%)(Δ -27,027)759,241(64.9%)(Δ -1,406)(33.6%, 64.2%, 1.1%)Kamala HarrisDonald TrumpR+30.6(Δ R+3.0)R+1.5(Δ R+5.9)R+29.2(Δ D+2.9)1,182,676(Δ -36,393)Wikipedia6

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.

Arkansas (AR) — 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
186819,078(46.3%)22,112(53.7%)(46.3%, 53.7%, 0.0%)0(0.0%)None0.00%00.00%0.00%0.00%
187237,927(47.8%)(Δ 18,849)41,373(52.2%)(Δ 19,261)(47.8%, 52.2%, 0.0%)0(0.0%)None0.00%00.00%0.63%-0.63%
187658,086(59.9%)(Δ 20,159)38,649(39.9%)(Δ -2,724)(59.9%, 39.9%, 0.2%)211(0.2%)Peter Cooper0.22%2110.22%1.16%-0.94%
188060,775(56.6%)(Δ 2,689)42,436(39.6%)(Δ 3,787)(56.6%, 39.6%, 3.8%)4,079(3.8%)James Weaver3.80%4,0793.80%3.47%0.33%
188472,734(57.8%)(Δ 11,959)51,198(40.7%)(Δ 8,762)(57.8%, 40.7%, 1.5%)1,847(1.5%)Benjamin Butler1.47%1,8471.47%2.87%-1.40%
188886,062(55.0%)(Δ 13,328)59,752(38.2%)(Δ 8,554)(54.8%, 38.0%, 6.8%)10,630(6.8%)Alson Streeter6.77%11,2447.16%3.57%3.59%
189287,834(59.9%)(Δ 1,772)47,072(32.1%)(Δ -12,680)(59.3%, 31.8%, 8.0%)11,831(8.1%)James Weaver7.99%13,2118.92%10.97%-2.05%
1896110,103(74.1%)(Δ 22,269)37,512(25.3%)(Δ -9,560)(73.7%, 25.1%, 0.6%)893(0.6%)Charles Bentley0.60%1,7321.16%2.27%-1.11%
190081,142(63.9%)(Δ -28,961)44,800(35.3%)(Δ 7,288)(63.5%, 35.0%, 0.8%)972(0.8%)Wharton0.76%1,9241.50%2.84%-1.34%
190464,434(56.7%)(Δ -16,708)46,860(41.2%)(Δ 2,060)(55.3%, 40.3%, 2.0%)2,318(2.0%)Thomas Watson1.99%5,1274.40%5.99%-1.59%
190887,015(58.2%)(Δ 22,581)56,624(37.9%)(Δ 9,764)(57.3%, 37.3%, 3.8%)5,842(3.9%)Eugene V. Debs3.85%8,1835.39%5.39%0.00%
191268,814(59.3%)(Δ -18,201)21,644(18.7%)(Δ -34,980)(55.0%, 17.3%, 20.5%)25,585(22.0%)William H. Taft20.45%34,64627.69%30.74%-3.05%
1916112,211(66.8%)(Δ 43,397)48,879(29.1%)(Δ 27,235)(66.0%, 28.7%, 4.1%)6,999(4.2%)Allan Benson4.11%9,0145.30%4.64%0.65%
1920107,409(58.5%)(Δ -4,802)71,117(38.7%)(Δ 22,238)(58.5%, 38.7%, 2.8%)5,111(2.8%)Eugene Debs2.78%5,1112.78%5.53%-2.75%
192484,795(61.2%)(Δ -22,614)40,564(29.3%)(Δ -30,553)(61.2%, 29.3%, 9.5%)13,173(9.5%)Robert La Follette9.51%13,1739.51%17.14%-7.63%
1928119,196(60.4%)(Δ 34,401)77,751(39.4%)(Δ 37,187)(60.3%, 39.3%, 0.2%)429(0.2%)Norman Thomas0.22%7460.38%0.99%-0.61%
1932189,602(86.4%)(Δ 70,406)28,467(13.0%)(Δ -49,284)(86.0%, 12.9%, 0.6%)1,269(0.6%)Thomas/Maurer0.58%2,4931.13%2.94%-1.81%
1936146,765(81.9%)(Δ -42,837)32,039(17.9%)(Δ 3,572)(81.8%, 17.9%, 0.2%)446(0.2%)Norman Thomas0.25%6190.34%2.66%-2.31%
1940158,622(79.0%)(Δ 11,857)42,121(21.0%)(Δ 10,082)(79.0%, 21.0%, 0.0%)0(0.0%)None0.00%00.00%0.48%-0.48%
1944148,965(70.0%)(Δ -9,657)63,551(29.8%)(Δ 21,430)(70.0%, 29.8%, 0.2%)438(0.2%)Norman Thomas0.21%4380.21%0.72%-0.52%
1948149,659(62.2%)(Δ 694)50,959(21.2%)(Δ -12,592)(61.7%, 21.0%, 16.5%)40,068(16.6%)Strom Thurmond16.52%41,85717.26%5.38%11.89%
1952226,300(56.0%)(Δ 76,641)177,155(43.8%)(Δ 126,196)(55.9%, 43.8%, 0.2%)886(0.2%)Stuart Hamblen0.22%1,3450.33%0.49%-0.16%
1956213,277(52.5%)(Δ -13,023)186,287(45.8%)(Δ 9,132)(52.5%, 45.8%, 1.7%)7,008(1.7%)Unpledged Electors1.72%7,0081.72%0.67%1.05%
1960215,049(50.2%)(Δ 1,772)184,508(43.1%)(Δ -1,779)(50.2%, 43.1%, 6.8%)28,952(6.8%)Orval Faubus6.76%28,9526.76%0.73%6.03%
1964314,197(56.4%)(Δ 99,148)243,264(43.6%)(Δ 58,756)(56.1%, 43.4%, 0.0%)0(0.0%)None0.00%2,9650.53%0.48%0.05%
1968184,901(30.3%)(Δ -129,296)189,062(31.0%)(Δ -54,202)(30.3%, 31.0%, 38.7%)235,627(38.7%)George Wallace38.65%235,62738.65%13.86%24.79%
1972198,899(30.7%)(Δ 13,998)445,751(68.8%)(Δ 256,689)(30.7%, 68.8%, 0.5%)3,016(0.5%)John Schmitz0.47%3,0160.47%1.80%-1.34%
1976499,614(65.0%)(Δ 300,715)268,753(34.9%)(Δ -176,998)(64.9%, 34.9%, 0.1%)647(0.1%)Eugene McCarthy0.08%1,0290.13%1.90%-1.77%
1980398,041(48.3%)(Δ -101,573)403,164(48.9%)(Δ 134,411)(47.5%, 48.1%, 2.7%)22,468(2.7%)John Anderson2.68%36,3774.34%8.24%-3.89%
1984338,646(38.7%)(Δ -59,395)534,774(61.1%)(Δ 131,610)(38.3%, 60.5%, 0.3%)2,221(0.3%)David Bergland0.25%10,9861.24%0.67%0.57%
1988349,237(42.6%)(Δ 10,591)466,578(57.0%)(Δ -68,196)(42.2%, 56.4%, 0.4%)3,297(0.4%)Ron Paul0.40%11,9231.44%0.98%0.46%
1992505,823(53.7%)(Δ 156,586)337,324(35.8%)(Δ -129,254)(53.2%, 35.5%, 10.4%)99,132(10.5%)Ross Perot10.43%107,50611.31%19.55%-8.24%
1996475,171(54.6%)(Δ -30,652)325,416(37.4%)(Δ -11,908)(53.7%, 36.8%, 7.9%)69,884(8.0%)Ross Perot7.90%83,6759.46%10.05%-0.59%
2000422,768(46.5%)(Δ -52,403)472,940(52.0%)(Δ 147,524)(45.9%, 51.3%, 1.5%)13,421(1.5%)Ralph Nader1.46%26,0732.83%3.75%-0.92%
2004469,953(44.8%)(Δ 47,185)572,898(54.6%)(Δ 99,958)(44.5%, 54.3%, 0.6%)6,171(0.6%)Ralph Nader0.58%12,0941.15%1.00%0.15%
2008422,310(39.4%)(Δ -47,643)638,017(59.4%)(Δ 65,119)(38.9%, 58.7%, 1.2%)12,882(1.2%)Ralph Nader1.19%26,2902.42%1.42%1.00%
2012394,409(37.3%)(Δ -27,901)647,744(61.2%)(Δ 9,727)(36.9%, 60.6%, 1.5%)16,276(1.5%)Johnson/Gray1.52%27,3152.55%1.73%0.82%
2016380,494(34.7%)(Δ -13,915)684,872(62.5%)(Δ 37,128)(33.7%, 60.6%, 2.6%)29,949(2.7%)Johnson/Weld2.65%65,3105.78%5.73%0.05%
2020423,932(35.4%)(Δ 43,438)760,647(63.5%)(Δ 75,775)(34.8%, 62.4%, 1.1%)13,133(1.1%)Jorgensen/Cohen1.08%34,4902.83%1.84%0.98%
2024396,905(33.9%)(Δ -27,027)759,241(64.9%)(Δ -1,406)(33.6%, 64.2%, 1.1%)13,255(1.1%)Kennedy/Shanahan1.12%26,5302.24%1.88%0.36%

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).

Arkansas (AR) — Two-Party Data

YearDRMargin (D%, R%, 3rd%)2-Party Margin2-Party Nat. Margin2-Party Rel. MarginEVs
186819,078(46.3%)22,112(53.7%)(46.3%, 53.7%, 0.0%)R+7.4R+5.3R+2.05
187237,927(47.8%)(Δ 18,849)41,373(52.2%)(Δ 19,261)(47.8%, 52.2%, 0.0%)R+4.3(Δ D+3.0)R+11.9(Δ R+6.5)D+7.5(Δ D+9.6)6
187658,086(60.0%)(Δ 20,159)38,649(40.0%)(Δ -2,724)(59.9%, 39.9%, 0.2%)D+20.1(Δ D+24.4)D+3.0(Δ D+14.9)D+17.1(Δ D+9.5)6
188060,775(58.9%)(Δ 2,689)42,436(41.1%)(Δ 3,787)(56.6%, 39.6%, 3.8%)D+17.8(Δ R+2.3)R+0.1(Δ R+3.1)D+17.9(Δ D+0.8)6
188472,734(58.7%)(Δ 11,959)51,198(41.3%)(Δ 8,762)(57.8%, 40.7%, 1.5%)D+17.4(Δ R+0.4)D+0.6(Δ D+0.7)D+16.8(Δ R+1.1)7
188886,062(59.0%)(Δ 13,328)59,752(41.0%)(Δ 8,554)(54.8%, 38.0%, 6.8%)D+18.0(Δ D+0.7)D+0.9(Δ D+0.3)D+17.2(Δ D+0.4)7
189287,834(65.1%)(Δ 1,772)47,072(34.9%)(Δ -12,680)(59.3%, 31.8%, 8.0%)D+30.2(Δ D+12.2)D+3.4(Δ D+2.5)D+26.8(Δ D+9.7)8
1896110,103(74.6%)(Δ 22,269)37,512(25.4%)(Δ -9,560)(73.7%, 25.1%, 0.6%)D+49.2(Δ D+19.0)R+4.4(Δ R+7.8)D+53.6(Δ D+26.8)8
190081,142(64.4%)(Δ -28,961)44,800(35.6%)(Δ 7,288)(63.5%, 35.0%, 0.8%)D+28.9(Δ R+20.3)R+6.3(Δ R+1.9)D+35.2(Δ R+18.4)8
190464,434(57.9%)(Δ -16,708)46,860(42.1%)(Δ 2,060)(55.3%, 40.3%, 2.0%)D+15.8(Δ R+13.1)R+20.0(Δ R+13.7)D+35.8(Δ D+0.7)9
190887,015(60.6%)(Δ 22,581)56,624(39.4%)(Δ 9,764)(57.3%, 37.3%, 3.8%)D+21.2(Δ D+5.4)R+9.0(Δ D+11.0)D+30.2(Δ R+5.7)9
191268,814(76.1%)(Δ -18,201)21,644(23.9%)(Δ -34,980)(55.0%, 17.3%, 20.5%)D+52.1(Δ D+31.0)D+20.9(Δ D+29.9)D+31.3(Δ D+1.1)9
1916112,211(69.7%)(Δ 43,397)48,879(30.3%)(Δ 27,235)(66.0%, 28.7%, 4.1%)D+39.3(Δ R+12.8)D+3.3(Δ R+17.6)D+36.0(Δ D+4.8)9
1920107,409(60.2%)(Δ -4,802)71,117(39.8%)(Δ 22,238)(58.5%, 38.7%, 2.8%)D+20.3(Δ R+19.0)R+27.7(Δ R+31.0)D+48.0(Δ D+12.0)9
192484,795(67.6%)(Δ -22,614)40,564(32.4%)(Δ -30,553)(61.2%, 29.3%, 9.5%)D+35.3(Δ D+15.0)R+30.4(Δ R+2.7)D+65.7(Δ D+17.7)9
1928119,196(60.5%)(Δ 34,401)77,751(39.5%)(Δ 37,187)(60.3%, 39.3%, 0.2%)D+21.0(Δ R+14.2)R+17.6(Δ D+12.8)D+38.6(Δ R+27.1)9
1932189,602(86.9%)(Δ 70,406)28,467(13.1%)(Δ -49,284)(86.0%, 12.9%, 0.6%)D+73.9(Δ D+52.8)D+18.3(Δ D+35.9)D+55.6(Δ D+17.0)9
1936146,765(82.1%)(Δ -42,837)32,039(17.9%)(Δ 3,572)(81.8%, 17.9%, 0.2%)D+64.2(Δ R+9.7)D+24.9(Δ D+6.6)D+39.2(Δ R+16.3)9
1940158,622(79.0%)(Δ 11,857)42,121(21.0%)(Δ 10,082)(79.0%, 21.0%, 0.0%)D+58.0(Δ R+6.1)D+10.0(Δ R+14.9)D+48.0(Δ D+8.8)9
1944148,965(70.1%)(Δ -9,657)63,551(29.9%)(Δ 21,430)(70.0%, 29.8%, 0.2%)D+40.2(Δ R+17.8)D+7.5(Δ R+2.5)D+32.6(Δ R+15.4)9
1948149,659(74.6%)(Δ 694)50,959(25.4%)(Δ -12,592)(61.7%, 21.0%, 16.5%)D+49.2(Δ D+9.0)D+4.7(Δ R+2.8)D+44.5(Δ D+11.8)9
1952226,300(56.1%)(Δ 76,641)177,155(43.9%)(Δ 126,196)(55.9%, 43.8%, 0.2%)D+12.2(Δ R+37.0)R+10.9(Δ R+15.6)D+23.1(Δ R+21.4)8
1956213,277(53.4%)(Δ -13,023)186,287(46.6%)(Δ 9,132)(52.5%, 45.8%, 1.7%)D+6.8(Δ R+5.4)R+15.5(Δ R+4.6)D+22.3(Δ R+0.8)8
1960215,049(53.8%)(Δ 1,772)184,508(46.2%)(Δ -1,779)(50.2%, 43.1%, 6.8%)D+7.6(Δ D+0.9)D+0.2(Δ D+15.7)D+7.5(Δ R+14.8)8
1964314,197(56.4%)(Δ 99,148)243,264(43.6%)(Δ 58,756)(56.1%, 43.4%, 0.0%)D+12.7(Δ D+5.1)D+22.7(Δ D+22.5)R+10.0(Δ R+17.4)6
1968184,901(49.4%)(Δ -129,296)189,062(50.6%)(Δ -54,202)(30.3%, 31.0%, 38.7%)R+1.1(Δ R+13.8)R+0.8(Δ R+23.5)R+0.3(Δ D+9.7)6
1972198,899(30.9%)(Δ 13,998)445,751(69.1%)(Δ 256,689)(30.7%, 68.8%, 0.5%)R+38.3(Δ R+37.2)R+23.6(Δ R+22.8)R+14.7(Δ R+14.4)6
1976499,614(65.0%)(Δ 300,715)268,753(35.0%)(Δ -176,998)(64.9%, 34.9%, 0.1%)D+30.0(Δ D+68.3)D+2.1(Δ D+25.7)D+27.9(Δ D+42.7)6
1980398,041(49.7%)(Δ -101,573)403,164(50.3%)(Δ 134,411)(47.5%, 48.1%, 2.7%)R+0.6(Δ R+30.7)R+10.6(Δ R+12.7)D+10.0(Δ R+18.0)6
1984338,646(38.8%)(Δ -59,395)534,774(61.2%)(Δ 131,610)(38.3%, 60.5%, 0.3%)R+22.5(Δ R+21.8)R+18.3(Δ R+7.7)R+4.1(Δ R+14.1)6
1988349,237(42.8%)(Δ 10,591)466,578(57.2%)(Δ -68,196)(42.2%, 56.4%, 0.4%)R+14.4(Δ D+8.1)R+7.8(Δ D+10.5)R+6.6(Δ R+2.5)6
1992505,823(60.0%)(Δ 156,586)337,324(40.0%)(Δ -129,254)(53.2%, 35.5%, 10.4%)D+20.0(Δ D+34.4)D+6.9(Δ D+14.7)D+13.1(Δ D+19.7)6
1996475,171(59.4%)(Δ -30,652)325,416(40.6%)(Δ -11,908)(53.7%, 36.8%, 7.9%)D+18.7(Δ R+1.3)D+9.5(Δ D+2.6)D+9.2(Δ R+3.8)6
2000422,768(47.2%)(Δ -52,403)472,940(52.8%)(Δ 147,524)(45.9%, 51.3%, 1.5%)R+5.6(Δ R+24.3)D+0.5(Δ R+8.9)R+6.1(Δ R+15.4)6
2004469,953(45.1%)(Δ 47,185)572,898(54.9%)(Δ 99,958)(44.5%, 54.3%, 0.6%)R+9.9(Δ R+4.3)R+2.5(Δ R+3.0)R+7.4(Δ R+1.2)6
2008422,310(39.8%)(Δ -47,643)638,017(60.2%)(Δ 65,119)(38.9%, 58.7%, 1.2%)R+20.3(Δ R+10.5)D+7.4(Δ D+9.9)R+27.7(Δ R+20.3)6
2012394,409(37.8%)(Δ -27,901)647,744(62.2%)(Δ 9,727)(36.9%, 60.6%, 1.5%)R+24.3(Δ R+4.0)D+3.9(Δ R+3.4)R+28.2(Δ R+0.5)6
2016380,494(35.7%)(Δ -13,915)684,872(64.3%)(Δ 37,128)(33.7%, 60.6%, 2.6%)R+28.6(Δ R+4.3)D+2.2(Δ R+1.7)R+30.8(Δ R+2.6)6
2020423,932(35.8%)(Δ 43,438)760,647(64.2%)(Δ 75,775)(34.8%, 62.4%, 1.1%)R+28.4(Δ D+0.1)D+4.5(Δ D+2.3)R+33.0(Δ R+2.2)6
2024396,905(34.3%)(Δ -27,027)759,241(65.7%)(Δ -1,406)(33.6%, 64.2%, 1.1%)R+31.3(Δ R+2.9)R+1.5(Δ R+6.0)R+29.8(Δ D+3.1)6

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.

Arkansas (AR) — Senate Total Data

YearDRMargin (D%, R%, 3rd%)ClassD Cand.R Cand.Senate MarginNat. MarginRel. MarginTotal votesSource
1978395,506(76.5%)84,308(16.3%)(76.5%, 16.3%, 7.2%)IIDAVID PRYORTOM KELLYD+60.2D+3.0(Δ R+9.3)D+57.2517,138
1980477,905(59.1%)330,576(40.9%)(59.1%, 40.9%, 0.0%)IIIDALE BUMPERSBILL CLARKD+18.2D+11.0(Δ D+8.0)D+7.2808,812
1984502,341(57.3%)(Δ 106,835)373,615(42.7%)(Δ 289,307)(57.3%, 42.7%, 0.0%)IIDAVID PRYORED BETHUNED+14.7(Δ R+45.5)R+1.4(Δ R+14.8)D+16.1(Δ R+41.1)875,956(Δ 358,818)
1986433,122(62.3%)(Δ -44,783)262,313(37.7%)(Δ -68,263)(62.3%, 37.7%, 0.0%)IIIDALE BUMPERSASA HUTCHINSOND+24.6(Δ D+6.3)D+2.3(Δ D+3.7)D+22.2(Δ D+15.0)695,487(Δ -113,325)
1990493,910(100.0%)(Δ -8,431)0(0.0%)(Δ -373,615)(99.8%, 0.0%, 0.0%)IIDAVID H. PRYORNoneD+99.8(Δ D+85.1)D+4.5(Δ R+1.4)D+95.3(Δ D+79.3)494,735(Δ -381,221)
1992553,635(60.2%)(Δ 120,513)366,373(39.8%)(Δ 104,060)(60.2%, 39.8%, 0.0%)IIIDALE BUMPERSMIKE HUCKABEED+20.4(Δ R+4.2)D+5.4(Δ D+0.9)D+14.9(Δ R+7.3)920,008(Δ 224,521)
1996400,241(47.3%)(Δ -93,669)445,942(52.7%)(Δ 445,942)(47.3%, 52.7%, 0.0%)IIWINSTON BRYANTY. TIM HUTCHINSONR+5.4(Δ R+105.2)R+1.5(Δ D+4.4)R+3.9(Δ R+99.3)846,183(Δ 351,448)
1998385,878(55.1%)(Δ -167,757)295,870(42.2%)(Δ -70,503)(55.1%, 42.2%, 2.7%)IIIBLANCHE LAMBERT LINCOLNFAY BOOZMAND+12.8(Δ R+7.5)D+1.3(Δ D+2.8)D+11.5(Δ R+3.4)700,831(Δ -219,177)
2002433,386(53.9%)(Δ 33,145)370,735(46.1%)(Δ -75,207)(53.9%, 46.1%, 0.0%)IIMARK PRYORTIM HUTCHINSOND+7.8(Δ D+13.2)R+4.1(Δ R+4.2)D+11.9(Δ D+15.8)804,121(Δ -42,062)
2004580,973(55.9%)(Δ 195,095)458,036(44.1%)(Δ 162,166)(55.9%, 44.1%, 0.0%)IIIBLANCHE L. LINCOLNJIM HOLTD+11.8(Δ R+1.0)D+4.3(Δ D+8.4)D+7.6(Δ R+4.0)1,039,349(Δ 338,518)
2008804,678(79.5%)(Δ 371,292)0(0.0%)(Δ -370,735)(79.5%, 0.0%, 20.5%)IIMARK L. PRYORNoneD+79.5(Δ D+71.7)D+7.5(Δ R+5.7)D+72.0(Δ D+60.1)1,011,754(Δ 207,633)
2010288,156(37.0%)(Δ -292,817)451,618(57.9%)(Δ -6,418)(36.9%, 57.9%, 3.2%)IIIBLANCHE L. LINCOLNJOHN BOOZMANR+21.0(Δ R+32.8)R+4.6(Δ R+12.2)R+16.3(Δ R+23.9)779,957(Δ -259,392)
2014334,174(39.5%)(Δ -470,504)478,819(56.5%)(Δ 478,819)(39.4%, 56.5%, 2.0%)IIMARK L. PRYORTOM COTTONR+17.1(Δ R+96.6)R+7.2(Δ R+19.5)R+9.9(Δ R+81.9)847,505(Δ -164,249)
2016400,602(36.2%)(Δ 112,446)661,984(59.8%)(Δ 210,366)(36.2%, 59.8%, 4.0%)IIICONNER ELDRIDGEJOHN BOOZMANR+23.6(Δ R+2.6)D+6.0(Δ D+13.1)R+29.6(Δ R+13.2)1,107,522(Δ 327,565)
20200(0.0%)(Δ -334,174)793,871(66.5%)(Δ 315,052)(0.0%, 66.5%, 33.5%)IINoneTOM COTTONR+66.5(Δ R+49.5)R+2.3(Δ R+19.1)R+64.3(Δ R+54.4)1,193,261(Δ 345,756)
2022280,187(31.1%)(Δ -120,415)592,437(65.7%)(Δ -69,547)(31.1%, 65.7%, 3.2%)IIINatalie JamesJohn BoozmanR+34.6(Δ R+11.0)R+2.4(Δ R+0.1)R+32.3(Δ R+2.7)901,306(Δ -206,216)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).

Arkansas (AR) — 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
1978395,506(76.5%)84,308(16.3%)(76.5%, 16.3%, 7.2%)37,211(7.2%)JOHN GRAHAM BLACK7.20%37,2117.20%1.77%5.43%
1980477,905(59.1%)330,576(40.9%)(59.1%, 40.9%, 0.0%)0(0.0%)None0.00%00.00%3.33%-3.33%
1984502,341(57.3%)(Δ 106,835)373,615(42.7%)(Δ 289,307)(57.3%, 42.7%, 0.0%)0(0.0%)None0.00%00.00%0.86%-0.86%
1986433,122(62.3%)(Δ -44,783)262,313(37.7%)(Δ -68,263)(62.3%, 37.7%, 0.0%)0(0.0%)None0.00%00.00%1.68%-1.68%
1990493,910(100.0%)(Δ -8,431)0(0.0%)(Δ -373,615)(99.8%, 0.0%, 0.0%)0(0.0%)None0.00%00.00%1.81%-1.81%
1992553,635(60.2%)(Δ 120,513)366,373(39.8%)(Δ 104,060)(60.2%, 39.8%, 0.0%)0(0.0%)None0.00%00.00%5.04%-5.04%
1996400,241(47.3%)(Δ -93,669)445,942(52.7%)(Δ 445,942)(47.3%, 52.7%, 0.0%)0(0.0%)None0.00%00.00%2.64%-2.64%
1998385,878(55.1%)(Δ -167,757)295,870(42.2%)(Δ -70,503)(55.1%, 42.2%, 2.7%)18,896(2.7%)CHARLEY E. HEFFLEY2.70%18,8962.70%3.30%-0.60%
2002433,386(53.9%)(Δ 33,145)370,735(46.1%)(Δ -75,207)(53.9%, 46.1%, 0.0%)0(0.0%)None0.00%00.00%4.10%-4.10%
2004580,973(55.9%)(Δ 195,095)458,036(44.1%)(Δ 162,166)(55.9%, 44.1%, 0.0%)212(0.0%)GLEN A. SCHWARZ0.02%2120.02%3.46%-3.44%
2008804,678(79.5%)(Δ 371,292)0(0.0%)(Δ -370,735)(79.5%, 0.0%, 20.5%)207,076(20.5%)REBEKAH KENNEDY20.47%207,07620.47%3.51%16.96%
2010288,156(37.0%)(Δ -292,817)451,618(57.9%)(Δ -6,418)(36.9%, 57.9%, 3.2%)39,807(5.1%)TREVOR DROWN3.24%39,8075.10%6.58%-1.48%
2014334,174(39.5%)(Δ -470,504)478,819(56.5%)(Δ 478,819)(39.4%, 56.5%, 2.0%)34,007(4.0%)NATHAN LAFRANCE2.03%34,0074.01%4.37%-0.36%
2016400,602(36.2%)(Δ 112,446)661,984(59.8%)(Δ 210,366)(36.2%, 59.8%, 4.0%)43,866(4.0%)FRANK GILBERT3.96%43,8663.96%4.46%-0.50%
20200(0.0%)(Δ -334,174)793,871(66.5%)(Δ 315,052)(0.0%, 66.5%, 33.5%)399,390(33.5%)RICKY DALE HARRINGTON JR.33.47%399,39033.47%3.96%29.51%
2022280,187(31.1%)(Δ -120,415)592,437(65.7%)(Δ -69,547)(31.1%, 65.7%, 3.2%)28,682(3.2%)Kenneth Cates3.18%28,6823.18%15.16%-11.98%

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).

Arkansas (AR) — Senate Two-Party Data

YearDRMargin (D%, R%, 3rd%)2-Party Margin2-Party Nat. Margin2-Party Rel. Margin
1978395,506(82.4%)84,308(17.6%)(76.5%, 16.3%, 7.2%)D+64.9D+3.0(Δ R+9.8)D+61.8
1980477,905(59.1%)330,576(40.9%)(59.1%, 40.9%, 0.0%)D+18.2D+11.9(Δ D+8.9)D+6.3
1984502,341(57.3%)(Δ 106,835)373,615(42.7%)(Δ 289,307)(57.3%, 42.7%, 0.0%)D+14.7(Δ R+50.2)R+1.4(Δ R+15.5)D+16.1(Δ R+45.7)
1986433,122(62.3%)(Δ -44,783)262,313(37.7%)(Δ -68,263)(62.3%, 37.7%, 0.0%)D+24.6(Δ D+6.3)D+2.4(Δ D+3.8)D+22.2(Δ D+15.8)
1990493,910(100.0%)(Δ -8,431)0(0.0%)(Δ -373,615)(99.8%, 0.0%, 0.0%)D+100.0(Δ D+85.3)D+4.6(Δ R+1.4)D+95.4(Δ D+79.3)
1992553,635(60.2%)(Δ 120,513)366,373(39.8%)(Δ 104,060)(60.2%, 39.8%, 0.0%)D+20.4(Δ R+4.2)D+5.8(Δ D+1.2)D+14.5(Δ R+7.6)
1996400,241(47.3%)(Δ -93,669)445,942(52.7%)(Δ 445,942)(47.3%, 52.7%, 0.0%)R+5.4(Δ R+105.4)R+1.5(Δ D+4.8)R+3.9(Δ R+99.3)
1998385,878(56.6%)(Δ -167,757)295,870(43.4%)(Δ -70,503)(55.1%, 42.2%, 2.7%)D+13.2(Δ R+7.2)D+1.5(Δ D+3.0)D+11.7(Δ R+2.8)
2002433,386(53.9%)(Δ 33,145)370,735(46.1%)(Δ -75,207)(53.9%, 46.1%, 0.0%)D+7.8(Δ D+13.2)R+4.4(Δ R+4.5)D+12.2(Δ D+16.1)
2004580,973(55.9%)(Δ 195,095)458,036(44.1%)(Δ 162,166)(55.9%, 44.1%, 0.0%)D+11.8(Δ R+1.4)D+4.4(Δ D+8.9)D+7.4(Δ R+4.3)
2008804,678(100.0%)(Δ 371,292)0(0.0%)(Δ -370,735)(79.5%, 0.0%, 20.5%)D+100.0(Δ D+92.2)D+7.8(Δ R+6.4)D+92.2(Δ D+80.0)
2010288,156(39.0%)(Δ -292,817)451,618(61.0%)(Δ -6,418)(36.9%, 57.9%, 3.2%)R+22.1(Δ R+33.9)R+5.1(Δ R+12.9)R+17.0(Δ R+24.4)
2014334,174(41.1%)(Δ -470,504)478,819(58.9%)(Δ 478,819)(39.4%, 56.5%, 2.0%)R+17.8(Δ R+117.8)R+7.5(Δ R+20.9)R+10.3(Δ R+102.5)
2016400,602(37.7%)(Δ 112,446)661,984(62.3%)(Δ 210,366)(36.2%, 59.8%, 4.0%)R+24.6(Δ R+2.5)D+6.9(Δ D+14.4)R+31.5(Δ R+14.5)
20200(0.0%)(Δ -334,174)793,871(100.0%)(Δ 315,052)(0.0%, 66.5%, 33.5%)R+100.0(Δ R+82.2)R+2.4(Δ R+21.1)R+97.6(Δ R+87.4)
2022280,187(32.1%)(Δ -120,415)592,437(67.9%)(Δ -69,547)(31.1%, 65.7%, 3.2%)R+35.8(Δ R+11.2)R+2.8(Δ R+0.5)R+33.0(Δ R+1.5)

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).