Black-Owned Firms: 2002
According to data from the 2002 economic census, the number of black-owned firms grew by 45 percent between 1997 and 2002. Overall, there are 1.2 million black-owned businesses in the U.S., accounting for roughly $88.8 billion in revenues.
Link
http://www.census.gov/prod/ec02/sb0200csblk.pdf