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United States · Election results history · 1984 Senate · Louisiana
Election 1984 Results

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1984 US Senate election in Louisiana

J. Bennett Johnston (Democrat) beat Robert M. Ross (Republican) in Louisiana in 1984, 85.7% to 8.9%, a margin of 76.9 points and 751,635 votes. Decided in the open primary, where the winner took a majority.

The Democratic hold continued from 1978, when J. Bennett Johnston also won.

Democrats led in 64 of the 64 counties as they stood then. The largest, Orleans, cast 115,774 votes and went to the Democrat by 82.9 points. The closest was Caldwell, where 948 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
J. Bennett Johnston won Democratic 838,181 85.7%
Robert M. Ross Republican 86,546 8.9%
Larry Napoleon "Boogaloo" Cooper Republican 52,746 5.4%
Total977,473

Decided in the open primary, where the winner took a majority.

Every county

CountyDemocratRepublicanOthersTotalMargin
Orleans 103,118 89.1% 7,161 6.2% 5,495 115,774 D+82.9
East Baton Rouge 99,634 86.7% 10,184 8.9% 5,137 114,955 D+77.8
Jefferson 51,832 82.4% 7,218 11.5% 3,842 62,892 D+70.9
Calcasieu 44,511 86.0% 4,290 8.3% 2,960 51,761 D+77.7
Caddo 40,173 84.4% 5,043 10.6% 2,389 47,605 D+73.8
Ouachita 30,615 83.7% 4,210 11.5% 1,746 36,571 D+72.2
Rapides 29,154 85.5% 3,275 9.6% 1,687 34,116 D+75.9
St. Tammany 23,599 80.6% 3,772 12.9% 1,895 29,266 D+67.7
St. Bernard 24,247 86.7% 1,881 6.7% 1,831 27,959 D+80.0
Terrebonne 18,564 87.0% 1,512 7.1% 1,250 21,326 D+80.0
St. Landry 16,346 83.5% 1,898 9.7% 1,329 19,573 D+73.8
Tangipahoa 15,603 85.3% 1,539 8.4% 1,151 18,293 D+76.9
St. Mary 15,436 88.5% 1,210 6.9% 788 17,434 D+81.6
Bossier 14,369 84.3% 1,898 11.1% 785 17,052 D+73.1
Webster 12,638 87.2% 1,231 8.5% 620 14,489 D+78.7
Ascension 12,411 88.4% 992 7.1% 637 14,040 D+81.3
Washington 11,464 87.4% 921 7.0% 731 13,116 D+80.4
Lafayette 10,661 85.6% 1,076 8.6% 724 12,461 D+76.9
Natchitoches 10,470 84.6% 1,223 9.9% 688 12,381 D+74.7
St. John The Baptist 9,919 84.0% 1,100 9.3% 789 11,808 D+74.7
St. Martin 10,323 88.3% 690 5.9% 674 11,687 D+82.4
Iberia 9,927 85.1% 1,172 10.0% 569 11,668 D+75.0
Avoyelles 9,603 86.8% 888 8.0% 567 11,058 D+78.8
Jefferson Davis 9,548 87.1% 790 7.2% 620 10,958 D+79.9
Morehouse 9,012 84.7% 1,114 10.5% 513 10,639 D+74.2
Livingston 8,775 86.1% 946 9.3% 467 10,188 D+76.8
Vermilion 6,761 73.6% 1,567 17.1% 855 9,183 D+56.6
Pointe Coupee 8,080 88.5% 577 6.3% 478 9,135 D+82.1
Beauregard 7,462 85.4% 777 8.9% 501 8,740 D+76.5
Evangeline 6,978 82.7% 726 8.6% 738 8,442 D+74.1
Assumption 7,507 91.3% 339 4.1% 375 8,221 D+87.2
Plaquemines 6,907 88.8% 500 6.4% 375 7,782 D+82.3
St. James 6,841 88.8% 401 5.2% 466 7,708 D+83.5
Acadia 6,518 85.0% 580 7.6% 572 7,670 D+77.4
Sabine 6,373 85.5% 709 9.5% 374 7,456 D+76.0
Franklin 6,255 84.4% 749 10.1% 410 7,414 D+74.3
Desoto 6,251 86.1% 590 8.1% 421 7,262 D+78.0
Vernon 6,108 87.0% 522 7.4% 394 7,024 D+79.5
Iberville 6,049 88.2% 367 5.4% 441 6,857 D+82.9
Grant 5,561 86.0% 615 9.5% 294 6,470 D+76.4
Richland 5,286 84.4% 612 9.8% 367 6,265 D+74.6
Lincoln 5,161 83.2% 707 11.4% 333 6,201 D+71.8
La Salle 5,029 82.7% 641 10.5% 411 6,081 D+72.2
Jackson 4,894 82.1% 729 12.2% 339 5,962 D+69.9
Winn 4,947 83.9% 658 11.2% 291 5,896 D+72.7
Allen 5,070 86.8% 449 7.7% 324 5,843 D+79.1
Concordia 4,929 85.2% 603 10.4% 254 5,786 D+74.8
East Feliciana 4,560 83.7% 565 10.4% 323 5,448 D+73.3
Bienville 4,419 82.0% 513 9.5% 457 5,389 D+72.5
Union 4,189 81.8% 614 12.0% 317 5,120 D+69.8
Madison 4,240 88.4% 364 7.6% 193 4,797 D+80.8
Lafourche 4,293 90.9% 239 5.1% 193 4,725 D+85.8
St. Helena 3,732 83.9% 401 9.0% 313 4,446 D+74.9
West Baton Rouge 3,931 88.7% 295 6.7% 205 4,431 D+82.1
Claiborne 3,586 82.5% 421 9.7% 338 4,345 D+72.8
Catahoula 3,527 86.0% 366 8.9% 206 4,099 D+77.1
West Carroll 3,356 84.1% 472 11.8% 162 3,990 D+72.3
Cameron 3,393 88.6% 209 5.5% 228 3,830 D+83.1
St. Charles 2,992 85.0% 286 8.1% 241 3,519 D+76.9
Red River 2,896 84.7% 305 8.9% 218 3,419 D+75.8
East Carroll 2,669 87.2% 257 8.4% 135 3,061 D+78.8
West Feliciana 2,424 87.2% 244 8.8% 113 2,781 D+78.4
Tensas 1,946 86.8% 182 8.1% 114 2,242 D+78.7
Caldwell 1,109 81.4% 161 11.8% 93 1,363 D+69.6

Counties as they stood in 1984; some have since been split, merged or renamed. Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

Louisiana Senate elections we hold

YearWinnerMargin
2022 John Kennedy (R) R+43.7
2020 Bill Cassidy (R) R+40.3
2016 John Neely Kennedy (R) R+21.3
2014 Bill Cassidy (R) R+11.9
2010 David Vitter (R) R+18.9
2008 Mary L. Landrieu (D) D+6.4
2004 David Vitter (R) R+21.7
2002 Mary Landrieu (D) D+3.4
1998 John Breaux (D) D+32.4
1996 Mary Landrieu (D) D+0.3
1992 John Breaux (D) D+64.8
1990 J. Bennett Johnston (D) D+10.5
1986 John B. Breaux (D) D+5.6
1984 J. Bennett Johnston (D) D+76.9
1980 Russell B. Long (D) D+55.9
1978 J. Bennett Johnston (D) D+59.4
1974 Russell B. Long (D) D+100.0
1972 J. Bennett Johnston (D) D+36.1
1968 Russell B. Long (D) D+100.0
1966 Allen J. Ellender (D) D+100.0
1962 Russell B. Long (D) D+51.1
1960 Allen J. Ellender (D) D+59.5
1956 Russell B. Long (D) D+100.0
1954 Allen J. Ellender (D) D+100.0
1950 Russell B. Long (D) D+75.4
1948 Allen J. Ellender (D) D+100.0
1944 John H. Overton (D) D+100.0
1942 Allen J. Ellender (D) D+100.0
1938 John H. Overton (D) D+99.8
1936 Allen J. Ellender (D) D+100.0
1932 John H. Overton (D) D+100.0
1930 Huey Long (D) D+100.0
1926 Edwin S. Broussard (D) D+100.0
1924 Joseph Ransdell (D) D+100.0
1920 Edwin S. Broussard (D) D+100.0
1918 Joseph Ransdell (D) D+100.0