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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:
Download zipped shapefile
Current version – January 1, 2013
This layer contains Legal City boundaries (as opposed to Postal City) within L.A. County. The boundaries will not line up with the Thomas Brothers city layer.
Download Data
Link to DPW GIS Data Site: http://dpw.lacounty.gov/general/spatiallibrary
Updated as of December 2012
Contains precincts from the Los Angeles County Registrar/Recorder’s Office. The Registrar/Recorder uses these precincts to run elections by grouping them into election precincts, so they capture the boundaries of all voting districts in the County, including, but not limited to:
LA County Supervisorial Districts US Congressional Districts State Senate and [...]
Polling locations assigned for the November 6, 2012 Presidential election as of October 31, 2012. Note – these polling locations are subject to change. Changes occur when polling locations become unavailable at the last minute, or for a variety or reasons.
The Los Angeles County Registrar/Recorder establishes polling locations for each election. Each election has [...]
LA City Council Districts as adopted by Final Ordinance 2012 No. 182168. This data was provided by the City of Los Angeles.
These boundaries are legally accurate as specified by the Los Angeles City Bureau of Engineering.
Download
Download the shapefile (includes sample layer file): LA_City_Council_Districts_2012 (zipped shapefile).
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LA City Planning GIS Data Portal
The City of Los Angeles Planning department has launched a GIS Data Portal for downloading various GIS data files pertaining to City Planning information.
You can access the data by going to http://planning.lacity.org, selecting the Maps and Stats button on the left, then selecting the LADCP GIS [...]
Abstract: This layer contains the 2011 Official Supervisorial District Boundary for the County of Los Angeles. Purpose: Supervisorial District Boundary map for the County of Los Angeles Access Constraints: Sharable Data can be downloaded here
Note: the shoreline boundary shown on this layer is approximate and subject to change.
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The Cal-Atlas site facilitates the coordinated and sustainable development, maintenance, licensing and sharing of geospatial data and web map services by California government agencies, partners and stakeholders. California government agencies work with the California GIS Council, regional GIS collaboratives and the broader California GIS community to define the data architecture, systems, standards, agreements and processes [...]
Congressional (2011)
2011 United States Congressional 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 [...]
BOE (2011)
2011 California Board of Equalization 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 [...]
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 [...]
State Assembly (2011)
2011 California State Assembly 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 [...]
Approved Boundaries
This GIS data file contains 2011 County Board of Supervisors district boundaries adopted September 27, 2011.
For full details of the process , please see this site: http://redistricting.lacounty.gov/. The 2011-Board-Adopted-Plan (pdf file) is loaded here for your convenience.
These boundaries are based upon Redistricting Units (RDUs) which in turn [...]
Supervisorial District Boundaries for LA County for 1971, 1981, and 1991.
Samples (click to enlarge)
1971
1981
1991
The data from 1991 was provided by the Registrar/Recorder.
The data from 1971 and 1981 was digitized from scanned and rectified County Engineer maps provided by [...]
Boundaries of LA City Council Districts, with District Number. The source of this data is the City of Los Angeles.
Data Download
LA_City_Council_Districts.zip (shipped shapefile) ArcGIS 10 Layer File (for County use only)
Sample
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SCAG is the Southern California Association of Governments. SCAG is the nation’s largest metropolitan planning organization, representing six counties, 190 cities and more than 19 million residents. SCAG undertakes a variety of planning and policy initiatives to encourage a more sustainable Southern California now and in the future.
Mapping & GIS at SCAG
Their [...]
Abstract: Los Angeles County Boundary Purpose: General mapping use Data can be downloaded here
This file has unofficial but commonly used Community Boundaries in the County of Los Angeles
Legal Cities (like Los Angeles) are represented as well as communities (like Hollywood or Acton).
Communities (zipped Shapefile)
US Congressional Districts in the County of Los Angeles [...]
LA County Supervisorial Districts (2001) [...]
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