Redistricting

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California Election Code ยง 21500 et. seq. requires boards of supervisors to approve supervisorial district boundaries at least once following each federal decennial census so that district boundaries are "nearly equal in population as may be." Official 2010 U.S. Census data must be used to determine supervisorial district boundaries for future elections through 2020.

Base Map 6/27/2011

Click here to view adopted and prior map.  


What's New 


Board Items 

  • September 13, 2011 Agenda and Minutes with Link to past meeting actions (see item #38)

Redistricting Documents & Maps Archive