PolitiFinder

1978 California U.S. House District 18 Election

California · 2 candidates · See every 1978 U.S. House race

Who won the 1978 California U.S. House District 18 Election?

William M. Thomas won the 1978 California U.S. House District 18 Election. William M. Thomas received 85,663 popular votes (59.26%). The main challenger was Bob Sogge (40.74%).

See the full head-to-head between Thomas and Sogge

Thomas +18.5 pts · won by 26,763 votes
William M. ThomasRepublicanWINNER59.26%
85,663 votes
Bob SoggeDemocratic40.74%
58,900 votes
Popular-vote totals for U.S. House elections come from the MIT Election Data and Science Lab (1976–2024).

Data last verified July 28, 2026.