San Joaquin and Contra Costa Counties

9th Congressional District (2026)

760,064 Population
412,406 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 9th Congressional District.
San Joaquin and Contra Costa Counties

9th Congressional District (2026)

760,064 Population
412,406 Voters
These maps go into effect starting with the 2026 election cycle, following the passage of Proposition 50. View 2022 9th Congressional District.

Unlock full voter and turnout data for 9th Congressional District Voter counts, turnout history, and demographics—ready for your next briefing in minutes, not hours.

How 9th Congressional District (2026) Voted

2025 Special

How they voted in other elections
1 race analyzed
|
Statewide & Federal 1
Proposition 50 Congressional Redistricting
PASSED ~XX% Yes +22.8%
Congressional Redistricting
Yes
~XX% +22.8% ~XXX,XXX
No
~XX% -22.8% ~XX,XXX
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