Earlier quoted context omitted.
I've been seeing this discussion a lot lately, particularly in the publishing world. 79% of editors are white and 78% are women [1], so the statement has validity at least when talking about the gatekeepers of what stories get to be told. Marlon James recently posted about his experiences with it [2] and many writers of color have since shared similar experiences. My take is that it's not "us vs them", but a need to…
OK, but like 63% of the U.S consists of whites. If it were an even distribution it would be disproportionate. Whites are somewhat over represented based on your numbers, but not as much as you seem to imply.
US Census Quick Facts Data Sheet by State: http://quickfacts.census.gov/qfd/index.html