Title:
Title
Census Data for Redistricting, Public Mapping Tool and Submittal Process
End
FileID
File ID: 2021-00356
Location
Location: Citywide.
End
Recommendation:
Recommendation
Receive and file.
FileName
Contact: Rong Liu, GIS Program Manager, (916) 808-1979, Information Technology Department
Body
Presenter: Rong Liu, GIS Program Manager, and Carlos Porras, Senior GIS Specialist, Information Technology Department
Attachments:
1-Description/Analysis
Description/Analysis
Issue Detail: Every ten years, after the U.S. Census, the City of Sacramento must re-establish the boundaries for City Council districts. The resulting council district boundaries must be balanced in population in accordance with local, state, and federal rules governing the redistricting process.
At the February 10th Sacramento Independent Redistricting Commission (SIRC) meeting, city staff presented an overview of the redistricting criteria to provide SIRC and the public with a foundational understanding of the redistricting process. On April 14th, staff is presenting the Census data that will be used in redistricting and a high-level overview of the Redistricting Mapping Tool. A more in-depth demonstration of the tool will be presented once 2020 Census redistricting data has been released to states.
Census Data Characteristics:
The primary data source for redrawing council boundaries is the Public Law (PL) 94-171 dataset. The Census has delivered population and race summary statistics every ten years since 1975. The data collected from US households is summarized and protected by Title 13, which removes respondents' personal information. This data is provided at block-level geography, which is the smallest level of geography available from the Census.
The data provided for redistricting is in six tables containing summary statistics on population and housing subjects, including total population by race and ethnicity, as well as voting age population (VAP) by race and...
Click here for full text