The questions dealing with race and home ownership have to do with the Community Reinvestment Act.
There seems to be an unusual emphasis on the various sub-groups of Hispanics to the extent that Hispanic is not a race by their definition.
White is a race to them and the number of sub-groups far out-number
brown folk. They have no desire to be more specific, even though this would be of great interest to genealogists and those who study migration, which is their excuse for asking the race question in the first place.
I’m pretty sure they want the breakdown of latinos so they can gerrymander and prepare for amnesty before the 2010/2012 elections.