For reference, when thinking about changing U.S. demographics, here's a great survey and tool put together by Pew on the size and geography of the U.S. Hispanic population.
First, 1980 ...
Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.
.. and now the present day:
Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.
