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California State Senate Districts (2011)

State Senate (2011)

2011 California State Senate Districts clipped to the LA County Boundary.

This data was created by the California Citizen’s Redistricting Commission, and downloaded from their website.  Click here to go to the site.

This data is based upon the US Census Bureau’s TIGER basemap, and are not the final version for the County.  The TIGER file, while it represents physical features in the County accurately, does not have the same spatial accuracy as the County’s mapping layers.  The Registrar/Recorder County Clerk is currently updating their precincts to include these new districts, and with the same precision as the County base.

However, the County has tested and found the Census Bureau’s data to substantially accurate for even large-scale mapping, so future changes will not dramatically impact mapping, but I do recommend coming back to this page to check for updates.

Download/Access the GIS Data

Each of the files below contains all three supervisorial district boundaries in one file

Using GIS Data on this site

GIS Data downloaded from this site generally requires GIS software to view. Click here for a list of GIS Data Viewers

GIS data available on this website is provided AS IS - please read the GIS Data Portal Terms of Use

Data Field Descriptions
  • DISTRICT - the District Number
  • NAME - the District Name (abbreviated) - carried over from the original dataset
  • LABEL - recommended labelling field

GIS Source Information
Database Name:
Feature Class Name:
Feature Dataset Name (if applicable):
Reference Date: 2011
Accuracy: TIGER
Update Frequency: Other
Access Constraints:None

Contact Information

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