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United States · Election results history · 1978 Senate · Louisiana
Election 1978 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

1978 US Senate election in Louisiana

J. Bennett Johnston (Democrat) beat Woody Jenkins (independent) in Louisiana in 1978, 59.4% to 40.6%, a margin of 18.8 points and 157,877 votes. Decided in the open primary, where the winner took a majority.

The Democratic hold continued from 1972, when J. Bennett Johnston also won.

Democrats led in 60 of the 64 counties as they stood then and other candidates in 4. The largest, Orleans, cast 94,389 votes and went to the Democrat by 70.2 points. The closest was Caldwell, where 42 votes separated the top two.

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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 498,773 59.4%
Woody Jenkins Democratic 340,896 40.6%
Total839,669

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

Every county

CountyDemocratRepublicanOthersTotalMargin
Orleans 66,284 70.2% 0 0.0% 28,105 94,389 D+70.2
Caddo 38,003 60.0% 0 0.0% 25,304 63,307 D+60.0
East Baton Rouge 34,006 57.3% 0 0.0% 25,311 59,317 D+57.3
Jefferson 33,900 64.2% 0 0.0% 18,892 52,792 D+64.2
Calcasieu 25,287 52.3% 0 0.0% 23,035 48,322 D+52.3
Rapides 14,232 44.8% 0 0.0% 17,566 31,798 Others
Ouachita 13,650 54.1% 0 0.0% 11,600 25,250 D+54.1
Lafayette 13,885 56.7% 0 0.0% 10,583 24,468 D+56.7
Tangipahoa 12,816 55.2% 0 0.0% 10,398 23,214 D+55.2
St. Bernard 15,688 68.9% 0 0.0% 7,079 22,767 D+68.9
St. Tammany 11,922 55.1% 0 0.0% 9,711 21,633 D+55.1
Bossier 9,422 52.1% 0 0.0% 8,651 18,073 D+52.1
Terrebonne 9,861 64.3% 0 0.0% 5,478 15,339 D+64.3
Vermilion 8,710 59.4% 0 0.0% 5,963 14,673 D+59.4
St. Landry 7,576 52.5% 0 0.0% 6,850 14,426 D+52.5
Washington 8,958 64.5% 0 0.0% 4,938 13,896 D+64.5
Livingston 6,201 45.7% 0 0.0% 7,376 13,577 Others
Avoyelles 5,957 47.4% 0 0.0% 6,610 12,567 Others
Webster 6,820 55.0% 0 0.0% 5,590 12,410 D+55.0
Acadia 7,000 64.0% 0 0.0% 3,929 10,929 D+64.0
Vernon 6,400 63.2% 0 0.0% 3,725 10,125 D+63.2
Jefferson Davis 5,229 59.4% 0 0.0% 3,571 8,800 D+59.4
Natchitoches 5,085 57.9% 0 0.0% 3,702 8,787 D+57.9
Lafourche 5,743 65.5% 0 0.0% 3,031 8,774 D+65.5
Iberia 5,293 61.0% 0 0.0% 3,388 8,681 D+61.0
Evangeline 4,403 52.6% 0 0.0% 3,967 8,370 D+52.6
Sabine 4,227 51.1% 0 0.0% 4,037 8,264 D+51.1
St. Charles 5,403 65.9% 0 0.0% 2,802 8,205 D+65.9
St. John The Baptist 5,547 70.2% 0 0.0% 2,356 7,903 D+70.2
Lincoln 4,657 62.9% 0 0.0% 2,750 7,407 D+62.9
St. Martin 4,764 66.8% 0 0.0% 2,365 7,129 D+66.8
Concordia 3,578 50.7% 0 0.0% 3,485 7,063 D+50.7
Allen 4,178 60.1% 0 0.0% 2,777 6,955 D+60.1
Franklin 3,649 54.3% 0 0.0% 3,070 6,719 D+54.3
Desoto 3,811 58.5% 0 0.0% 2,705 6,516 D+58.5
Beauregard 4,107 64.6% 0 0.0% 2,248 6,355 D+64.6
La Salle 3,376 53.2% 0 0.0% 2,974 6,350 D+53.2
Richland 3,728 60.6% 0 0.0% 2,422 6,150 D+60.6
Morehouse 3,159 54.6% 0 0.0% 2,626 5,785 D+54.6
Iberville 3,328 59.0% 0 0.0% 2,310 5,638 D+59.0
Plaquemines 4,834 87.9% 0 0.0% 667 5,501 D+87.9
Ascension 3,190 58.5% 0 0.0% 2,260 5,450 D+58.5
Bienville 3,252 60.8% 0 0.0% 2,101 5,353 D+60.8
St. Mary 3,392 63.7% 0 0.0% 1,929 5,321 D+63.7
Pointe Coupee 3,064 61.6% 0 0.0% 1,908 4,972 D+61.6
Grant 2,498 51.5% 0 0.0% 2,357 4,855 D+51.5
Winn 2,660 55.0% 0 0.0% 2,180 4,840 D+55.0
Jackson 2,984 63.2% 0 0.0% 1,739 4,723 D+63.2
St. James 3,530 75.0% 0 0.0% 1,174 4,704 D+75.0
Union 2,563 54.9% 0 0.0% 2,103 4,666 D+54.9
Claiborne 2,866 61.5% 0 0.0% 1,793 4,659 D+61.5
Catahoula 2,482 53.4% 0 0.0% 2,170 4,652 D+53.4
West Carroll 2,446 53.6% 0 0.0% 2,119 4,565 D+53.6
Madison 2,562 68.9% 0 0.0% 1,155 3,717 D+68.9
East Feliciana 1,938 56.4% 0 0.0% 1,501 3,439 D+56.4
St. Helena 1,744 52.5% 0 0.0% 1,579 3,323 D+52.5
West Baton Rouge 1,989 60.3% 0 0.0% 1,311 3,300 D+60.3
Red River 1,884 58.2% 0 0.0% 1,353 3,237 D+58.2
Cameron 1,625 54.3% 0 0.0% 1,368 2,993 D+54.3
Tensas 1,968 70.9% 0 0.0% 808 2,776 D+70.9
Caldwell 1,363 49.2% 0 0.0% 1,405 2,768 Others
East Carroll 1,358 57.0% 0 0.0% 1,023 2,381 D+57.0
Assumption 1,385 58.8% 0 0.0% 970 2,355 D+58.8
West Feliciana 1,353 67.8% 0 0.0% 643 1,996 D+67.8

Counties as they stood in 1978; 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