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State legislative office

California State Senator, District 9

This office represents State Senate District 9 in the California Legislature.

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Data coverage
Government
State of California
Public body
California State Senate
Electoral area
State Senate District 9
Map of California State Senate District 9
State Senate district
i
State Senate District 9 boundary from the U.S. Census Bureau TIGERweb current upper-chamber legislative-district layer.

Office overview

The office at a glance

See what this office does, the government it belongs to, the area it represents, and how voters choose its officeholder.

Government levelStateState of California
Contest typePartisanVoter-nominated office
SeatDistrict 9One of 40 State Senate seats
Regular term4 yearsEven- and odd-numbered districts are elected in alternating cycles

What this office does

Represents District 9 in the State Senate

The office votes on state laws, appropriations, and oversight while representing residents and communities within the district.

California State Senate

Election process

A top-two primary leads to the general election

California uses a top-two primary for this office. The two candidates receiving the most votes advance to the general election regardless of party. State Senate districts serve four-year terms, with even- and odd-numbered districts elected in alternating cycles.

Next electionNovember 5, 2024

Open the 2024 Election Page
Detailed district statistics2020–2024 ACS 5-year estimates

Survey estimates describe the current State Senate district and are not the same as the official 2020 redistricting population count. Margins of error use the ACS 90% confidence level. Hispanic or Latino includes people of any race; the remaining race categories are non-Hispanic.

People and households

Estimated population
979,379±3,314
Median age
41.2 years±0.3 years
Households
349,483±2,041

Income and education

Median household income
$128,465±$2,081; 2024 inflation-adjusted dollars
People below the poverty line
7.8%±0.4 percentage points
Bachelor's degree or higher
46.4%±0.6 percentage points; population age 25+

Housing

Housing units
361,617±1,856
Occupied housing units
349,483±2,041
Vacant housing units
12,134±1,031
Vacancy rate
3.4%±0.3 percentage points

Race and ethnicity

Hispanic or Latino (any race)
25.1%±0.5 percentage points
White alone, not Hispanic
38.3%±0.4 percentage points
Black alone, not Hispanic
7.0%±0.3 percentage points
American Indian or Alaska Native alone, not Hispanic
0.2%±0.0 percentage points
Asian alone, not Hispanic
22.2%±0.4 percentage points
Native Hawaiian or Pacific Islander alone, not Hispanic
0.5%±0.1 percentage points
Some other race alone, not Hispanic
0.7%±0.1 percentage points
Two or more races, not Hispanic
6.1%±0.3 percentage points
U.S. Census Bureau district profile

Current officeholder

Who currently holds this office?

Current officeholder identified by the official California State Senate directory.

Official portrait of Tim Grayson
California State Senate

Current officeholder

Tim Grayson

California State Senator, District 9

Status
Current officeholder
Party
Democratic
First elected
Connected election
November 5, 2024

Legislative work

Committee assignments

Current official Senate directory
Standing Committees
  • AppropriationsMember
  • Banking and Financial InstitutionsChair
  • Business, Professions and Economic DevelopmentMember
  • Emergency ManagementMember
  • HousingMember
  • Revenue and TaxationMember
  • TransportationMember
Select Committees
  • Select Committee on Bay Area Public TransportationMember
  • Select Committee on Green Economic DevelopmentChair
  • Select Committee on Hydrogen EnergyMember
  • Select Committee on the Nonprofit SectorMember
Joint Committees
  • Joint Committee on RulesMember
  • Joint Legislative Committee on Emergency ManagementMember
Other Committees
  • Legislative EthicsMember
Official committee list

Contact this office

Office
1021 O Street, Suite 7250, Sacramento, CA 95814-4900
Official contact page Official office source
Past officeholders2 verified succession records

Succession history

Explore prior service

Verified Senate District 9 session snapshots beginning with 2015–2016; one earlier session is included when needed to identify a predecessor.

Service ranges identify the first and last biennial sessions in the California State Library dataset; they do not assert exact swearing-in or departure dates. District numbers continue across redistricting, so earlier records may describe materially different boundaries.

Electoral area

Where this office represents

See the geographic area represented by this office and open its location information when available.

Interactive area map

Explore places and districts connected to State Senate District 9

State Senate District 9 includes most of Contra Costa County and part of Alameda County. Communities represented across the district include Concord, Antioch, San Leandro, San Ramon, Pittsburg, Walnut Creek, Castro Valley, and Danville.

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Places and districts shownLoading related pages

Past elections

Election history

This section covers completed elections. Current and upcoming contests remain on the Election Page linked from the top of this Office Page. A published past Election Page contains the full candidate list, certified result, campaign-finance coverage, methodology, and source documents.

State legislative officeCertified

California State Senate District 9

November 5, 2024 General Election · 2 candidates
Money in
Not yet reported
Money out
Not yet reported
Open Election Page

Election and finance details summarize the connected record. Missing or unpublished filings do not mean zero activity.

Public records

Records connected to this office

Open the official records used to follow the work, decisions, or disclosures connected to this office.

Legislative activity

Authored legislation

Review Senate bills authored by the officeholder during each legislative session. Coauthored bills, resolutions, and constitutional amendments are not included in this list.

Timothy S. Grayson is listed as the author of each senate bill below. Statuses were reviewed August 17, 2026. Showing all 34 bills.

SB 97 Digital financial assets: stablecoinsAuthored by Timothy S. Grayson Chaptered SB 227 Green Empowerment Zone for the Northern Waterfront area of the County of Contra CostaAuthored by Timothy S. Grayson Chaptered SB 237 Oil spill prevention: gasoline specifications: suspension: California Environmental Quality Act: exemptions: County of Kern: transportation fuels assessment: coastal resourcesAuthored by Timothy S. Grayson Chaptered SB 244 Public postsecondary education: disabled student services: assessmentsAuthored by Timothy S. Grayson Assembly · Appropriations SB 273 Surplus landAuthored by Timothy S. Grayson Senate · Died · Rules SB 291 Contractors: workers’ compensation insuranceAuthored by Timothy S. Grayson Chaptered SB 301 County Employees Retirement Law of 1937: employeesAuthored by Timothy S. Grayson Chaptered SB 315 Quimby ActAuthored by Timothy S. Grayson Senate · Died · Local Government SB 328 Hazardous waste generation and handling fees: study and report: affordable housing development projectsAuthored by Timothy S. Grayson Assembly · Third Reading SB 343 Career technical education: high school graduation requirements: apprenticeship and preapprenticeship programsAuthored by Timothy S. Grayson Senate · Died · Education SB 362 Commercial financing: disclosuresAuthored by Timothy S. Grayson Chaptered SB 377 Biomethane procurement targetsAuthored by Timothy S. Grayson Senate · Died · Energy, Utilities and Communications SB 392 Regional park districts: East Bay Regional Park District: East Bay Hills Conservation ProgramAuthored by Timothy S. Grayson Chaptered SB 410 Common interest developments: association records: exterior elevated elements inspectionAuthored by Timothy S. Grayson Chaptered SB 422 California Workforce Development Board: developmental servicesAuthored by Timothy S. Grayson Senate · Died · Appropriations SB 459 Peace officers: confidential communications: exceptions: group peer support servicesAuthored by Timothy S. Grayson Chaptered SB 487 Workers’ compensationAuthored by Timothy S. Grayson Chaptered SB 546 Collection Licensing Act: exceptions: billing agentsAuthored by Timothy S. Grayson Assembly · Inactive SB 587 Personal income taxes: credit: manufacturing: sales and use taxesAuthored by Timothy S. Grayson Assembly · Appropriations SB 637 Consumer review platformsAuthored by Timothy S. Grayson Senate · Died · Judiciary SB 700 Capital Programs and Climate Financing Authority Act: California Investment and Innovation ProgramAuthored by Timothy S. Grayson Assembly · Third Reading SB 902 Early childhood education and childcare: electronic signaturesAuthored by Timothy S. Grayson Senate · Unfinished Business SB 919 Biomethane monetary incentive programAuthored by Timothy S. Grayson Senate · Appropriations SB 959 Average daily attendance: emergencies: major safety hazardAuthored by Timothy S. Grayson Assembly · Third Reading SB 972 California Financing Law: commercial loans: investment advisersAuthored by Timothy S. Grayson Senate · Appropriations SB 988 California Motor Vehicle Glass ActAuthored by Timothy S. Grayson Assembly · Third Reading SB 1003 Prohousing enhanced infrastructure financing districtsAuthored by Timothy S. Grayson Assembly · Third Reading SB 1014 Development projects: preliminary estimate of required improvements: onsite and offsite improvementsAuthored by Timothy S. Grayson Assembly · Third Reading SB 1036 Mitigation Fee ActAuthored by Timothy S. Grayson Chaptered SB 1056 Criminal procedureAuthored by Timothy S. Grayson Assembly · Third Reading SB 1069 Motor vehicle pollution control devices: aftermarket parts: approval processAuthored by Timothy S. Grayson Assembly · Third Reading SB 1145 California Environmental Quality Act: surplus land disposal requirements: exemptionAuthored by Timothy S. Grayson Assembly · Local Government SB 1169 Subdivision Map Act: tentative maps: expiration datesAuthored by Timothy S. Grayson Assembly · Passed SB 1208 Money laundering: digital financial assetsAuthored by Timothy S. Grayson Assembly · Third Reading
Open the complete official session search

Official directory

California State Senate directory record for District 9

Verify the office, current Senator, committee assignments, public contact information, and district assignment.

Open official record

News and Press Releases

Updates from this office

Read press releases, official updates, and coverage selected by this office. Follow each link to its source.

Office of Senator Tim Grayson logo
Office of Senator Tim Grayson
Office of Senator Tim Grayson
Press release

A Statement on Recent Events

Recent events have been nothing short of heartbreaking, disturbing, and unfathomably alarming. Since its inception, the United States has been a refuge for those escaping tyranny and persecution. This is an undeniable part of our cultural heritage, enshrined in our Nation’s founding documents to remind us that ALL people are…

Official sourceRead official update
Office of Senator Tim Grayson logo
Office of Senator Tim Grayson
Office of Senator Tim Grayson
Press release

Senator Tim Grayson Sworn In As State Senator for District 09

Elected Last Month, Senator Grayson Joins Diverse Incoming Group of State Senators

Official sourceRead official update

Sources

Sources and data coverage

Review the public records used on this page, what Paper Trail Politics has captured, and what remains incomplete.

Current assessmentComplete coverage

The office identity, electoral area, connected 2026 election, and available official sources are included.

Assessed August 17, 2026 · Current 2026 records

Visual and interaction QA has not yet been completed for this generated page.

Sources used on this page8 source organizations · 15 records
California Secretary of State

2 records from this source are used on the page.

2024 Senate District 9 general district totalshttps://elections.cdn.sos.ca.gov/sov/2024-general/sov/37-state-senator.xlsxOfficial election event and result source for November 5, 2024 General Election.https://www.sos.ca.gov/elections/prior-elections/statewide-election-results/general-election-nov-5-2024/statement-vote
U.S. Census Bureau TIGERweb

1 record from this source is used on the page.

Boundary source for California State Senate District 9https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Legislative/MapServer/1
California State Senate

4 records from this source are used on the page.

Official government information about the office and public bodyhttps://www.senate.ca.gov/senatorsCurrent officeholder identified by the official California State Senate directory.https://lcmspubcontact.lc.ca.gov/PublicLCMS/ContactPopup.php?district=SD09&inframe=NPortrait source page for Tim Graysonhttps://www.senate.ca.gov/sites/senate.ca.gov/files/styles/large/public/media/Portrait%2520Grayson_1.jpg?itok=YTv4hsy6Committee assignments for Tim Grayson (Current official Senate directory)https://www.senate.ca.gov/senators/9
California Legislative Information

2 records from this source are used on the page.

Complete authored senate bills search for 2025–2026 Sessionhttps://leginfo.legislature.ca.gov/faces/billSearchClient.xhtml?session_year=20252026&house=Senate&author=Grayson&lawCode=AllComplete authored senate bills search for 2023–2024 Sessionhttps://leginfo.legislature.ca.gov/faces/billSearchClient.xhtml?session_year=20232024&house=Senate&author=Grayson&lawCode=All
U.S. Census Bureau district profile

1 record from this source is used on the page.

2020–2024 ACS 5-year estimates detailed district statisticshttps://data.census.gov/profile?g=610XX00US06009
Census Reporter

1 record from this source is used on the page.

Access copy of the 2020–2024 ACS 5-year estimates Census tables used for district statisticshttps://censusreporter.org/profiles/61000US06009/
California State Library · Demographics in the California Legislature

1 record from this source is used on the page.

Verified succession chronology for California State Senator, District 9https://lab.data.ca.gov/dataset/demographics-in-the-california-legislature/9dc0c75b-5a89-483f-9590-ec41bfe26882
Office of Senator Tim Grayson

3 records from this source are used on the page.

Press release: A Statement on Recent Eventshttps://sd09.senate.ca.gov/news/statement-recent-eventsPublished image: A Statement on Recent Eventshttps://sd09.senate.ca.gov/sites/sd09.senate.ca.gov/files/sd09_logo_light_1.pngPress release: Senator Tim Grayson Sworn In As State Senator for District 09https://sd09.senate.ca.gov/news/senator-tim-grayson-sworn-state-senator-district-09
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