PolitiFinder

1998 California U.S. House District 5 Election

California · 3 candidates · See every 1998 U.S. House race

Who won the 1998 California U.S. House District 5 Election?

Robert T. Matsui won the 1998 California U.S. House District 5 Election. Robert T. Matsui received 130,715 popular votes (71.91%). The main challenger was Robert S. Dinsmore (26.03%).

See the full head-to-head between Matsui and Dinsmore

Matsui +45.9 pts · won by 83,408 votes
Robert T. MatsuiDemocraticWINNER71.91%
130,715 votes
Robert S. DinsmoreRepublican26.03%
47,307 votes
Douglas Arthur TumaLibertarian2.06%
3,746 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.