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L.A. County Boundary

 This is the boundary of Los Angeles County including Santa Catalina Island and San Clemente Island. Does not include incorporated city boundaries.  Last updated 1/9/13 to include boundary modification in Los Angeles / Long Beach Harbor area (used DPW linework to adjust shorelines)

Data can be downloaded here:

Los Angeles County Outline


GIS Data Disclaimer

Data Field Descriptions
  • LINE_TYPE - This attribute is intended for symbolizing the County boundary.  Thin lines are used to symbolize highly detailed areas such as harbors, piers, small islands, etc.  Thick lines are used everywhere else along the County boundary.

GIS Source Information
Database Name: EGIS_BOUNDARIES_POLITICAL
Feature Class Name: DRP_COUNTY_BOUNDARY
Feature Dataset Name (if applicable):
Reference Date:
Accuracy: Parcel
Update Frequency: As Needed
Access Constraints:None

Contact Information
Nick Franchino
GIS Manager
Los Angeles County
Regional Planning Department
320 W. Temple Street
Mailstop Room 1383
Los Angeles, CA 90012
nfranchino@planning.lacounty.gov
213-893-0881
January 9th, 2013 | Category: Free, Political Boundaries, Regional Planning

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