I know how you feel. I was one of 2 black students in my graduating CS class at CMU. It has never been a source of pressure/anxiety for me, but I do understand how it may affect other black students to feel like you are on your own. As far as investors go, I doubt that they have any aversion to supporting entrepreneurs of any background. This is one industry that I would presume is more of a meritocracy than society…
http://www.prb.org/Articles/2007/CrossoverinFemaleMaleColleg...
http://nces.ed.gov/programs/coe/2009/section1/indicator11.as...
To wit: Females have dominated academia for a couple decades now.
Also, it should be pointed out that many founders are college dropouts or even high school dropouts, so I'd be interested in some sort of citation of evidence that one can assume most founders will be a subset of academia.