Title: Share of Foreign Born in Home Owners Loan Corporation (HOLC) Neighborhood A Series ID: RLMSHFBHOLCNA Source: Aaronson, Daniel, Hartley, Daniel, Mazumder, Bhashkar Release: The Effects of the 1930s HOLC "Redlining" Maps (Not a Press Release) Seasonal Adjustment: Not Seasonally Adjusted Frequency: 10 Year Units: Percent Date Range: 1910-01-01 to 2010-01-01 Last Updated: 2021-06-17 2:18 PM CDT Notes: Number of foreign born persons 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. DATE VALUE 1910-01-01 30.5 1920-01-01 20.3 1930-01-01 15.7 1940-01-01 10.0 1950-01-01 13.2 1960-01-01 11.3 1970-01-01 9.0 1980-01-01 9.5 1990-01-01 12.1 2000-01-01 10.3 2010-01-01 10.7