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2018 California U.S. House District 4 Election

California · 2 candidates · See every 2018 U.S. House race

Who won the 2018 California U.S. House District 4 Election?

Tom McClintock won the 2018 California U.S. House District 4 Election. Tom McClintock received 184,401 popular votes (54.13%). The main challenger was Jessica Morse (45.87%).

See the full head-to-head between McClintock and Morse

McClintock +8.3 pts · won by 28,148 votes
Tom McClintockRepublicanWINNER54.13%
184,401 votes
Jessica MorseDemocratic45.87%
156,253 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.