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2024 California U.S. House District 21 Election
California · 2 candidates
Costa +5.1 pts · won by 10,065 votes
Jim CostaDemocraticWINNER52.57%
102,798 votes
Michael MaherRepublican47.43%
92,733 votes
Popular-vote totals for U.S. Senate elections come from the MIT Election Data and Science Lab (1976–2024).