At the November 23, 2021, the Board of Supervisors adopted new supervisorial districts.
View Adopted 2021 Supervisorial District Map (PDF).
View Final Proposed Map Packet, including demographic breakdown by District (PDF)
Use the "Find my District" interactive map to see which supervisorial district you live in.
Download the 2021 Supervisorial District GIS Shapefiles
El Condado de Contra Costa Completa el Proceso de Redistritación y Adapta Nuevos Distritos Supervisoriales
Ver el Mapa Supervisorial Distrital (PDF).
Contra Costa 县 完成重划选区流程并采纳新的县议会选区。
查看已采纳的 2021 年县议会选区地图 (PDF)。
Contra Costa County provided the following to engage the public in the redistricting effort:
You can contact the Clerk of the Board by email to find out more about how the process works or if you have any other questions.
Contact Us: Public Information Contacts Media Inquiries Contact Webmaster
County Administration Building:
1025 Escobar Street, Martinez, CA 94553
1st Floor: Clerk of the Board
2nd Floor: Human Resources
3rd Floor: County Counsel
4th Floor: County Administration
For all other County departments and offices, see their web pages.