United States Senate – DEM Hold
Russell B. Long (D-inc) – 335,564 – 100.00%
United States House of Representatives – District 1 – DEM Hold
F. Edward Hébert (D-inc) – 69,500 – 100.00%
United States House of Representatives – District 2 – DEM Hold
Hale Boggs (D-inc) – 69,715 – 64.52%
George R. Blue (R) – 38,344 – 35.48%
Total Votes – 108,059 – 100.00%
United States House of Representatives – District 3 – DEM Hold
Edwin E. Willis (D-inc) – 19,075 – 100.00%
United States House of Representatives – District 4 – DEM Hold
Overton Brooks (D-inc) – 40,583 – 68.06%
Calhoun Allen, Jr. (R) – 19,041 – 31.94%
Total Votes – 59,624 – 100.00%
United States House of Representatives – District 5 – DEM Hold
Otto E. Passman (D-inc) – 18,210 – 100.00%
United States House of Representatives – District 6 – DEM Hold
James H. Morrison (D-inc) – 58,414 – 100.00%
United States House of Representatives – District 7 – DEM Hold
T. Ashton Thompson (D-inc) – 36,432 – 100.00%
United States House of Representatives – District 8 – DEM Hold
George S. Long (D-inc) – 18,341 – 100.00%