This page serves as a central place to download some of the urban datasets I have helped create, including the Historical Housing Unit and Urbanization Database v2010 (HHUUD10), Tabulated HOLC Area Description Sheet (THOLCADS) Data, and Tracts by Census Place Using Centroids.
HHUUD10 provides historical housing unit counts and urbanization estimates in consistent census tract boundaries for the entire United States for each decade from 1940 to 2010 plus 2019. The data is available in csv, dta, xpt, v8xpt, shapefile, and geojson formats. It is also available as a feature service through Esri’s Living Atlas. The methodology is detailed here.
THOLCADS provides tabulated Area Description sheet data from the Home Owners’ Loan Corporation’s (HOLC) Residential Security maps. Available in xlsx, csv, shapefile, and geojson formats, this dataset allows users to more easily conduct qualitative and quantitative assessments of the criteria used by HOLC to assign neighborhood risk scores. More background, including the methodology, is provided here.
This repository contains R scripts that produce output tables that include all census tracts in the US assigned to the Census-defined place (e.g., city or town) in which their centroid is located. The scripts are written to allow users to produce this file for the whole US or for individual states. Further, they can specify which tract or place vintage (2010 or later) they would like to use. The file_download folder includes csv and xlsx files using 2010 and 2020 tract vintages with 2021 place vintages.
This dataset includes historical census data in harmonized 2010 vintage tracts and HOLC neighborhood grade boundaries for each census year from 1940 to 2010, plus the 2015-2019 ACS. Variables include total population, white popualtion share, Black population share, non-white/non-Black population share, total housing units, proportion of housing units that are single-family detached units, proportion of housing units that are occupied, proportion of occupied housing units that are owner-occupied, median home value, median contract rent, and median household income. The methods are written up in an associated data descriptor available on SocArXiv.