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Contra Costa and Alameda Counties

10th Congressional District (2022)

Representative: Mark DeSaulnier (D)
760,066 Population
501,677 Voters
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 10th Congressional District.
Contra Costa and Alameda Counties

10th Congressional District (2022)

Representative: Mark DeSaulnier (D)
760,066 Population
501,677 Voters
These maps were put into place during the 2022 redistricting but are no longer in effect starting with the 2026 election cycle, due to the passage of Proposition 50. View 2026 10th Congressional District.

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Election Results

10th Congressional District (2022)
Candidate Races 1
United States Representative District 10
Josh Harder 52.3% +4.6%
Josh Harder DEM
52.3% +4.6% 115,945
Jeff Denham REP
47.7% -4.6% 105,955
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