Some statistics helpful to put the numbers in the article in context:
* Percent of San Francisco MSA that is black: 7.9%
* Percent of Atlanta MSA that is black: 32.8%
* Percent of college graduates that are black: 10.0%
* Percent of CS college graduates that are black: 11.5%
* Percent of engineering graduates that are black: 4.45%
Sources:
http://www.directemployers.org/2012/08/16/the-college-class-...
http://factfinder.census.gov/bkmk/table/1.0/en/ACS/12_1YR/CP...