Redistricting Maps

New!  Supervisorial Boundary Lines 2011


Redistricting Resources

The University of California , Berkeley , is opening regional redistricting technical assistance centers across the State, funded by the James Irvine Foundation. The purpose of these centers is to provide Californians access to data, software, and expertise so that they can effectively communicate valuable information about their communities to the Commission.



Sacramento /Northern California Region:

Central Library, 2nd Floor, 828 I Street, Sacramento , CA. 95814

Manager:  Ms. Robin Evans –

Site Phone:  (916) 248-8990

Hours:  Wed 2-8pm, Thur 2-8pm, Sat 10am-5pm and by appointment



Click HERE for the State of California Guidebook

Click HERE for an overview of Redistricting Basics.

Click HERE to see definitions of Redistricting terms.