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2021 Redistricting - How You Can Help Shape Sonoma County’s Future 

En español

Every 10 years, local governments use new data from the Census to redraw their district lines to reflect how local populations have changed. State law requires cities and counties to engage communities in the redistricting process by holding public hearings and doing public outreach, including to non-English-speaking communities. The County of Sonoma is asking for your help to plan, draw, and redivide new County districts.

The Board of Supervisors established the Sonoma County Advisory Redistricting Commission (ARC) at their February 23, 2021 meeting to advise and assist the Board with redrawing supervisorial district boundaries. The ARC has 19 members, comprised of two appointees per district and nine at-large members.

The finalized maps that you will help us create will define the five Sonoma County district borders, and these new County districts will impact how you elect your Sonoma County Supervisors for the next 10 years.

Our primary goal when developing election districts is to draw lines that respect neighborhoods, history and geographical elements. So we want to know: What do you consider the boundaries of your neighborhood?

Share your specific thoughts, draw a map or attend a public hearing to get involved!

Adoption of New Map

The Sonoma County Board of Supervisors approved the ordinance to adopt the new supervisorial district boundaries on December 14, 2021.

  1. Revised Sonoma County Supervisorial District Boundaries Map
    (PDF: 1.1 MB)
  2. Revised District Map Census Block Assignments (PDF: 702 kB)
  3. Incorporated/unincorporated data of adopted map (PDF: 37 kB)
  4. GIS data download
  5. Attested Ordinance Adopting District Boundaries (PDF: 566 kB)
    1. Pre-Adoption Ordinance Summary (PDF: 266 kB) 
    2. Ordinance Summary (PDF: 232 kB)

See the  Online version of Map

Resources

Are you part of or know a community-based organization that the County should consider contacting with outreach information about the public process? If so, please submit the organization name and public contact information to redistricting2021@sonoma-county.org.

Public hearing videos and presentations, news releases, and other redistricting-related materials will be added here as they become available.

Grassroots guides to redistricting:

Board of Supervisors meetings:

Contact Information

Contact us by Phone
Address
575 Administration Drive
Suite 104A
Santa Rosa, CA 95403
38.464665, -122.725235

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