This is the 1978 race. The latest: 2026 →

1978Final results

1978 election for California's 40th District

U.S. House · California

Robert E. Badham (R) won with 65.9% of the vote, defeating Jim McGuy (D) by 31.9 points.

Robert E. BadhamRepublican · winner
65.9%147,882
Jim McGuyDemocrat
34.1%76,358
224,240 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 1978

Races before and after

EvenR+48.41980R+45.51982R+30.41984R+22.01986R+37.21988R+35.31990

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET