1978Final results
1978 election for California's 25th District
U.S. House · California
Edward Roybal (D) won with 67.4% of the vote, defeating Robert K. Watson (R) by 34.8 points.
Edward RoybalDemocrat · winner
67.4%45,881
Robert K. WatsonRepublican
32.6%22,205
68,086 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
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET