Big fan of election and demographic numbers since 2006
 

1966 United States Congressional Elections – Louisiana

United States Senate – DEM Hold

Allen J. Ellender (D-inc) – 437,695100.00%

United States House of Representatives – District 1 – DEM Hold

F. Edward Hébert (D-inc) – 68,523100.00%

United States House of Representatives – District 2 – DEM Hold

Hale Boggs (D-inc) – 90,14968.63%

Leonard L. Limes (R) – 41,20931.37%

Total Votes – 131,358100.00%

United States House of Representatives – District 3 – DEM Hold

Edwin E. Willis (D-inc) – 46,53359.68%

Hall M. Lyons (R) – 31,44440.32%

Total Votes – 77,977100.00%

United States House of Representatives – District 4 – DEM Hold

J. D. ‘Joe’ Waggonner (D-inc) – 48,345100.00%

United States House of Representatives – District 5 – DEM Hold

Otto E. Passman (D-inc) – 38,660100.00%

United States House of Representatives – District 6 – DEM Hold

John R. Rarick (D) – 86,95876.58%

Crayton G. (Sparky) Hall (R) – 26,59923.42%

Total Votes – 113,557100.00%

United States House of Representatives – District 7 – DEM Hold

Edwin W. Edwards (D-inc) – 34,655100.00%

United States House of Representatives – District 8 – DEM Hold

Speedy O. Long (D-inc) – 33,183100.00%

Source: Office of the Clerk of the United States House of Representatives