This flat map, prepared in June of 2019 by Data You Can Use, present the percent of housing units built before 1950 by census tract for the City of Milwaukee. The map utilizes data from the 2012-2016 American Community Survey 5-year Estimate, the Health Compass Milwaukee's Community Dashboard on Environment/Toxic Chemicals, and 2010 Census tracts. For more information, please visit Data You Can Use.