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2022 California U.S. House District 21 Election

California · 2 candidates · See every 2022 U.S. House race

Who won the 2022 California U.S. House District 21 Election?

Jim Costa won the 2022 California U.S. House District 21 Election. Jim Costa received 68,074 popular votes (54.18%). The main challenger was Michael Maher (45.82%).

See the full head-to-head between Costa and Maher

Costa +8.4 pts · won by 10,501 votes
Jim CostaDemocraticWINNER54.18%
68,074 votes
Michael MaherRepublican45.82%
57,573 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.