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 Assembly Districts Schools Districts Water and Waste Districts

See more: http://egis3.lacounty.gov/dataportal/2012/12/20/2012-precincts-as-of-march-9th/

The RRCC’s GIS Section consolidates Established Precincts based on an election shared active districts.This layer contains a list of Consolidated Precincts, Vote By Mail status (1 being true, 0 being false),Ballot Group, Serial Number and Consolidation Voter Counts. Last Update: September 17, 2024

GIS Shape/Boundaries of the Voting precincts

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 Assembly Districts Schools Districts Water and Waste Districts

See more: http://egis3.lacounty.gov/dataportal/2012/12/20/2012-precincts-as-of-march-9th/

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 DistrictsUS Congressional DistrictsState Senate and Assembly DistrictsSchools DistrictsWater and Waste DistrictsOthersRelated Information:The Voting Precinct File is less useful without the two Excel files below:Precinct Information File Attribute ColumnsLast Updated: June 2025

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 Assembly Districts Schools Districts Water and Waste Districts See more: http://egis3.lacounty.gov/dataportal/2012/12/20/2012-precincts-as-of-march-9th/

GIS Shape/Boundaries of the Voting precincts. Precinct Boundaries are no longer collected/maintained by LA City Clerk. See the County Registrar's Portal https://egis3.lacounty.gov/dataportal/2012/12/20/2012-precincts-as-of-march-9th/comment-page-1/ for the most current data.

GIS Shape/Boundaries of the Voting precincts for the Los Angeles Unified School District 1 Runoff Election

Voting precincts in the City of LA. Data comes 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 Assembly Districts Schools Districts Water and Waste Districts See more at egis3.lacounty.gov

Political boundaries for Pasadena CA City Council Districts. The geographic area spans approximately 23.2 square miles. The Council Districts were determined by the boundaries of the Los Angeles County voting precincts and Pasadena's City Ordinance.

GIS Shape/Boundaries of the Voting precincts

Political boundaries for Pasadena CA City Council Districts. The geographic area spans approximately 23.2 square miles. The Council Districts were determined by the boundaries of the Los Angeles County voting precincts and Pasadena's City Ordinance.

The State Assembly Districts layer contains polygons for California State Assembly Districts. The source for the information in this layer is the Los Angeles Registrar-Recorder's Precinct Information File (PIF),The boundaries are based on the 2020 Census as provided by the California Secretary of State in 2021.Where boundaries are defined by streets, water bodies, city boundaries, or other features, those boundaries are copied to the districts layer, so that the boundaries and other layer features match perfectly.Last Update: March 2022

The US Congressional Districts layer contains polygons for US Congressional Districts. The source for the information in this layer is the Los Angeles County Registrar-Recorder's Precinct Information File (PIF), The boundaries are based on the 2020 Census as provided by the California Secretary of State in 2021.Where boundaries are defined by streets, water bodies, city boundaries, or other features, those boundaries are copied to the districts layer, so that the boundaries and other layer features match perfectly.Last Update: March 2022

The State Senate Districts layer contains polygons for California State Senate Districts. The source for the information in this layer is the Los Angeles Registrar/Recorder's Precinct Information File (PIF), which is designed to match the Thomas Brothers TRNL (road network) layer.

Where boundaries are defined by streets, water, city boundaries, or other features, those arc segments are copied to the districts layer, so that the boundaries and other layer features match perfectly.

The Board of Equalization Districts layer contains polygons for the California State Board of Equalization. The source for the information in this layer is the Los Angeles County Registrar-Recorder's Precinct Information File (PIF). The boundaries are based on the 2020 Census as provided by the California Secretary of State in 2021.Where boundaries are defined by streets, water bodies, city boundaries, or other features, those boundaries are copied to the districts layer, so that the boundaries and other layer features match perfectly.Last Update: March 2022

Analysis of ‘Election 2014 August LAUSD District 1 Polling Place List’ provided by Analyst-2 (analyst-2.ai), based on source dataset retrieved from https://catalog.data.gov/dataset/0cddf618-e6d0-44c4-a22e-2d692e335b45 on 30 September 2021.

--- Dataset description provided by original source is as follows ---

Listing of the poll place locations for the 2014 August Los Angeles Unified School District 1 Runoff Special Election. Includes detail listing down to the established precincts.

--- Original source retains full ownership of the source dataset ---

Listing of the poll place locations for the 2017 May General Election. Includes all the established County Precincts to indicate the corresponding City Consolidated Precincts and Council Districts.

The Us Congressional Districts layer contains polygons for US Congressional Districts. The source for the information in this layer is the Los Angeles Registrar/Recorder's Precinct Information File (PIF), which is designed to match the Thomas Brothers TRNL (road network) layer. Where boundaries are defined by streets, water, city boundaries, or other features, those arc segments are copied to the districts layer, so that the boundaries and other layer features match perfectly.

Political boundaries for Pasadena CA City Council Districts. The Council Districts were determined by the boundaries of the Los Angeles County voting precincts and Pasadena's City Ordinance.