Louisiana — 1978 U.S. Senate election
Recent presidential results
Akashicstate1978 Senate electionLouisiana · U.S. SenateJr.D+59.4
How it voted
Share of the 1978 vote
| J. Bennett Johnston Jr. ✓Democrat | 100.0% | 1 |
|---|
1978Senate margin
D+60R+60
64 counties, each filled by 1978 D-vs-R margin. Hover any county for its result.
County-level results (64 counties) — table
| County | Winner | Margin |
|---|---|---|
| ACADIA, LA | Democratic | D+64.0 |
| ALLEN, LA | Democratic | D+60.1 |
| ASCENSION, LA | Democratic | D+58.5 |
| ASSUMPTION, LA | Democratic | D+58.8 |
| AVOYELLES, LA | Democratic | D+47.4 |
| BEAUREGARD, LA | Democratic | D+64.6 |
| BIENVILLE, LA | Democratic | D+60.8 |
| BOSSIER, LA | Democratic | D+52.1 |
| CADDO, LA | Democratic | D+60.0 |
| CALCASIEU, LA | Democratic | D+52.3 |
| CALDWELL, LA | Democratic | D+49.2 |
| CAMERON, LA | Democratic | D+54.3 |
| CATAHOULA, LA | Democratic | D+53.4 |
| CLAIBORNE, LA | Democratic | D+61.5 |
| CONCORDIA, LA | Democratic | D+50.7 |
| DE SOTO, LA | Democratic | D+58.5 |
| EAST BATON ROUGE, LA | Democratic | D+57.3 |
| EAST CARROLL, LA | Democratic | D+57.0 |
| EAST FELICIANA, LA | Democratic | D+56.4 |
| EVANGELINE, LA | Democratic | D+52.6 |
| FRANKLIN, LA | Democratic | D+54.3 |
| GRANT, LA | Democratic | D+51.5 |
| IBERIA, LA | Democratic | D+61.0 |
| IBERVILLE, LA | Democratic | D+59.0 |
| JACKSON, LA | Democratic | D+63.2 |
| JEFFERSON, LA | Democratic | D+64.2 |
| JEFFERSON DAVIS, LA | Democratic | D+59.4 |
| LA SALLE, LA | Democratic | D+53.2 |
| LAFAYETTE, LA | Democratic | D+56.7 |
| LAFOURCHE, LA | Democratic | D+65.5 |
| LINCOLN, LA | Democratic | D+62.9 |
| LIVINGSTON, LA | Democratic | D+45.7 |
| MADISON, LA | Democratic | D+68.9 |
| MOREHOUSE, LA | Democratic | D+54.6 |
| NATCHITOCHES, LA | Democratic | D+57.9 |
| ORLEANS, LA | Democratic | D+70.2 |
| OUACHITA, LA | Democratic | D+54.1 |
| PLAQUEMINES, LA | Democratic | D+87.9 |
| POINTE COUPEE, LA | Democratic | D+61.6 |
| RAPIDES, LA | Democratic | D+44.8 |
| RED RIVER, LA | Democratic | D+58.2 |
| RICHLAND, LA | Democratic | D+60.6 |
| SABINE, LA | Democratic | D+51.1 |
| ST BERNARD, LA | Democratic | D+68.9 |
| ST HELENA, LA | Democratic | D+52.5 |
| ST. CHARLES, LA | Democratic | D+65.9 |
| ST. JAMES, LA | Democratic | D+75.0 |
| ST. JOHN THE BAPTIST, LA | Democratic | D+70.2 |
| ST. LANDRY, LA | Democratic | D+52.5 |
| ST. MARTIN, LA | Democratic | D+66.8 |
| ST. MARY, LA | Democratic | D+63.7 |
| ST. TAMMANY, LA | Democratic | D+55.1 |
| TANGIPAHOA, LA | Democratic | D+55.2 |
| TENSAS, LA | Democratic | D+70.9 |
| TERREBONNE, LA | Democratic | D+64.3 |
| UNION, LA | Democratic | D+54.9 |
| VERMILION, LA | Democratic | D+59.4 |
| VERNON, LA | Democratic | D+63.2 |
| WASHINGTON, LA | Democratic | D+64.5 |
| WEBSTER, LA | Democratic | D+55.0 |
| WEST BATON ROUGE, LA | Democratic | D+60.3 |
| WEST CARROLL, LA | Democratic | D+53.6 |
| WEST FELICIANA, LA | Democratic | D+67.8 |
| WINN, LA | Democratic | D+55.0 |
presidential baselinePresident 1976D+5.8Senate 1978D+100.0vs. baselineD+94.2
Louisiana's 1978 Senate race ran 94.2 points more Democratic than its 1976 presidential margin.
Louisiana's Senate margins
Every comparable D–R contest in our store, 1978–2022
| Year | Margin (D minus R) |
|---|---|
| 1978 | +100.0% |
| 1980 | +93.5% |
| 1984 | +100.0% |
| 1986 | +5.6% |
| 1990 | +100.0% |
| 1992 | +100.0% |
| 1996 | +0.3% |
| 1998 | +32.6% |
| 2002 | +0.3% |
| 2004 | −3.5% |
| 2008 | +6.4% |
| 2010 | −18.9% |
| 2014 | −9.9% |
| 2016 | −26.7% |
| 2020 | −25.9% |
| 2022 | −28.6% |
Same ballot, 1978LA
Source. MIT Election Data + Science Lab — 1978 US Senate returns, party-classified by literal ballot party · county returns aggregated from precinct-level results. Real returns — nothing estimated.