How Do I Navigate Redistricting Data?
An explanation of the different data available to redistricters and how they fit into the redistricting process.
An explanation of the different data available to redistricters and how they fit into the redistricting process.
We do not recommend altering the block geography provided by the Census Bureau. However, you can follow these steps if you must do so. Open a map* that includes Caliper’s Census block layer (ccBlock.cdf).You can open the Census block layer on its own, but we recommend having other reference layers available to help you make more …
Maptitude for Redistricting comes with all of the data present in the standard Maptitude US country package, as well as one free detailed state, county, or city/town package of your choice. This includes all of the relevant census geography and redistricting data, so you can get started as soon as you install. For a list …
What Data Do I Get with Maptitude for Redistricting? Read More »
Often you have political data at the VTD level, and you want to use it in a plan. Since a field identified as a plan summary field must be in all layers of the geographic hierarchy, it would be necessary to disaggregate or aggregate the data to each layer in the hierarchy. You would disaggregate …
How Can I Use Political Data (Collected by Precinct) in My Plan? Read More »
Even after downloading your data package, it is possible that your data package is not listed in your plan manager. Before redownloading or reinstalling the data, you may want to check the default install location for Caliper data packages. E.g., C:/XX Data 2020 Final where XX is the state abbreviation. If that folder does not …
Why is My Data Package Not Listed in My Plan Manager? Read More »
To add custom formula fields to your plans, you can add your formula fields to the maps your plans are based on (typically Block-VTD-County.Map or Block-Block Group-Tract-County.Map). You can follow the steps below to add custom formula fields to a map. Open the map you want to add a formula field to by doing File>Open, selecting …
How Do I Create a Formula Field and Add It to My Summary Fields? Read More »
The plan libraries installed with the redistricting data include plans such as: “Enacted Senate B-V-M-C”, “Enacted House B-BG-T-C”, or “Enacted Congress B-V-C”. Caliper creates the enacted boundaries for our default enacted plan libraries based on the Congressional and State Legislative codes the Census Bureau has provided for each census block. See this webpage from the …
Where Do the Enacted Boundaries and Enacted Plans Come From? Read More »
OMB Bulletin No. 00-02 – Guidance on Aggregation and Allocation of Data on Race for Use in Civil Rights Monitoring and Enforcement (https://www.whitehouse.gov/wp-content/uploads/2017/11/bulletins_b00-02.pdf ) provides Aggregation Guidance for using multiple responses regarding racial identity (such as from the 2020 Census), when entities report required racial data to the federal government. The following table lists the OMB fields that Caliper provides along with the formulae …
Which Office of Management and Budget (OMB) Fields are Included in the Data? Read More »
Maptitude for Redistricting includes all of the 2020 Public Law 94-171 data fields in the 2020 geographic files. Field Description Population Total Persons White Race: White alone Black Race: Black or African American alone AmIndian Race: American Indian and Alaska Native alone Asian Race: Asian alone Hawaiian Race: Native Hawaiian and Other Pacific Islander alone …
How prisoners are counted