What is redistricting?
Every ten years, districts must be redrawn so that each district is substantially equal in
population. This process, called redistricting, is important in ensuring that each board member
represents about the same number of constituents. In San Joaquin County, the Board of
responsible for adopting supervisorial districts, and are forming a Redistricting Advisory
comprised of 10 members of the public to develop candidate plans. Redistricting will be based on
data from the U.S. Census, expected to be released by September 30, 2021. For the County, the
redistricting process must be completed by December 15, 2021.
Why does redistricting matter to me?
Redistricting determines which neighborhoods and communities are grouped together into a district
purposes of electing a board member. The Board of Supervisors will seek input in selecting the
district map for our supervisorial districts. You have an opportunity to share with the Board of
Supervisors how you think district boundaries should be drawn to best represent your community.
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What criteria will our Board of Supervisors use when drawing district lines?
To the extent practicable, district lines will be adopted using the following criteria:
- Geographically contiguous districts (each supervisorial district should share a common
with the next)
- The geographic integrity of local neighborhoods or communities shall be respected in a
that minimizes its division
- Geographic integrity of a city shall be respected in a manner that minimizes its division
- Easily identifiable boundaries that follow natural or artificial barriers (rivers, streets,
highways, rail lines, etc.), and
- Lines shall be drawn to encourage geographic compactness.
In addition, boundaries shall not be drawn for purposes of favoring or discriminating against a