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Politics in Castle Hill

Who represents Castle Hill

Castle Hill is represented in Congress by Senators Alex Padilla and Adam B. Schiff and Representative Mark DeSaulnier. Gavin Newsom is governor.

Alex PadillaAdam B. SchiffMark DeSaulnier6 people represent Castle Hill →
Election Day31days to goTuesday, November 3, 2026
Your representatives
6
in Washington and California

What stands out about civic life in Castle Hill

Read from the official results and the seats below. Party is shown as the official record.

★ What stands out · In California

Who represents Castle Hill in state government

The governor, and the legislators whose districts cover Castle Hill.

Email all 2 legislators →
Gavin NewsomGovernor of CaliforniaDemocrat · Since 2019Website ↗916-445-2841
State Senate · District 9
Tim GraysonState SenatorDemocratWebsite ↗925-258-1176Email
State Assembly · District 16
Rebecca Bauer-KahanAssembly MemberDemocratWebsite ↗925-244-1600Email
Elections · 2024 general election

How Contra Costa County voted in 2024

Official results for all of Contra Costa County. Castle Hill’s own results aren’t published in a form we can match to the town exactly, so these are the county’s.

President527,759 votes
Kamala D HarrisDemocrat67.4%
Donald J TrumpRepublican29.3%
Others3.3%

California: Harris 58.5%, Trump 38.3%

U.S. Senate507,312 votes
Adam B SchiffDemocrat67.5%
Steve GarveyRepublican32.5%

California: Schiff 58.9%, Garvey 41.1%

U.S. House · California's 10th District363,752 votes
Mark DesaulnierDemocrat66.5%
Katherine PiccininiRepublican33.5%

Whole-district result

DemocratRepublicanLibertarianIndependent / other

Percentages are of votes for candidates; blank and spoiled ballots aren’t counted. Party colors are neutral on purpose.

On your ballot

Election Day is November 3: 31 days away

What California voters decide this November, and how to take part.

On the November 2026 ballot in California
  • U.S. HouseEvery seat, every two years (now Mark DeSaulnier)
  • GovernorNow Gavin Newsom
  • State legislatureThe 2 seats that cover Castle Hill are listed below

Plus local offices and questions. Your sample ballot from the town or state has the final list.

How to vote in Castle Hill
  • Register or check your registration at vote.gov.
  • Ask the town clerk about absentee ballots and early voting.
  • Bring the ID your state asks for.

Know where Castle Hill votes? Add it to the Handbook so neighbors have it on Election Day.

In Washington

Who represents Castle Hill in Congress

Two senators for all of California, and one House member for the district.

U.S. Senate Both senators represent all of California
Alex Padilla
Alex PadillaU.S. SenatorDemocrat · Since 2021Website ↗202-224-3553
Adam B. Schiff
Adam B. SchiffU.S. SenatorDemocrat · Since 2024Website ↗202-224-3841
U.S. House · California's 10th District
Mark DeSaulnier
Mark DeSaulnierU.S. RepresentativeDemocrat · Since 2015Website ↗202-225-2095

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Sources: election results from the MIT Election Data + Science Lab, official 2024 precinct returns (statewide totals from its official state files); percentages are of votes for candidates. Congressional and state legislative districts: U.S. Census Bureau (119th Congress, 2024 state districts), matched to Castle Hill by land area. Members of Congress: the congress-legislators project (portraits public domain). Governors and state legislators: Open States. Local officials: Open States and Wikidata. Turnout = votes for president per adult resident (Census), a rough guide, not official turnout.

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