Our shippable original analysis is the HOLC grading geometry showing D and C zones blanketing South and West Side residential land, the spatial templa

3 files · 2.6 MB on diskRead paper →

The real public data behind Historic Redlining, Tree Canopy, and Urban Heat in Chicago. 1938 HOLC Graded Zones, Chicago (Mapping Inequality digitization). Files are hosted here directly so the analysis is reproducible; analysis.py reads only these files and prints the figures the paper reports.

Live Data

These files are hosted directly on Rooted Forward and load below as live spreadsheets. Sort by clicking a column header, filter rows with the search box, change page size, or use Export current view in any spreadsheet toolbar to save your filtered view in CSV, TSV, or JSON.

Download all as ZIP

analysis.py
Reproducible pandas script. Verifies the developments file is a subset of the portfolio, isolates OCII Western Addition-Area 2 (21 developments / 914 units / 821 income-restricted), tabulates tenure a
Source: University of Richmond Digital Scholarship Lab, Mapping Inequality / Home Owners' Loan Corporation
19.9 kBDownload PY View at source
This file is not a tabular CSV. Use the download button above to save it locally.
chicago-community-areas.geojson
Boundaries of the 77 Chicago community areas (City of Chicago Data Portal, Socrata igwz-8jzy), reused from the chicago-transit-access-income dataset, used for point-in-polygon assignment of stations a
Source: University of Richmond Digital Scholarship Lab, Mapping Inequality / Home Owners' Loan Corporation
2.1 MBDownload GEOJSON

License

Code MIT. HOLC zone polygons CC BY-NC-SA 4.0 (Mapping Inequality, Nelson et al. 2016).

Public sources

University of Richmond Digital Scholarship Lab, Mapping Inequality / Home Owners' Loan Corporation

← Back to all datasets