Columns: District | Incumbent | Party | First elected | Result | Candidates
Pennsylvania 5 | Richard T. Schulze | Republican | 1974 | Re-elected | Richard T. Schulze (R) 67.2% Bob Burger (D) 32.8% | Pennsylvania 6 | Gus Yatron | Democratic | 1968 | Re-elected | Gus Yatron (D) 72.0% Harry B. Martin (R) 28.0% | Pennsylvania 7 | Robert W. Edgar | Democratic | 1974 | Re-elected | Robert W. Edgar (D) 55.4% Steve Joachim (R) 44.6% | Pennsylvania 9 | Bud Shuster | Republican | 1972 | Re-elected | Bud Shuster (R) 65.1% Eugene J. Duncan (D) 34.9% | Pennsylvania 17 | Allen E. Ertel | Democratic | 1976 | Retired to run for Governor Republican gain | George Gekas (R) 57.6% Larry Hochendoner (D) 42.4%