Source: Aaronson, Daniel  

Source: Hartley, Daniel  

Source: Mazumder, Bhashkar  

Release: The Effects of the 1930s HOLC "Redlining" Maps  

Units:  Percent, Not Seasonally Adjusted

Frequency:  10 Year

Number of African Americans living in a coded neighborhood divided by the total number of persons living in the same neighborhood.

The authors calculate the data based on U.S. Census estimates for each area matched to the geocoded HOLC Neighborhoods, which are based on the geocoded renderings of the original Home Owners Loan Corporation (HOLC) maps for 149 cities.