IBGE released a few more results of the 2010 Brazilian Census by census tract! You can download the census tract shapefiles, some preliminary data (and more here). More information here. [portuguese only]
There are also some interactive maps and charts. You can check them out here.
[image credit: Yuri S Andrade]
[image credit: Yuri S Andrade]
[image credit: me, myself and I]
