There are only 5 black billionaires in the Unites States. They are Robert F. Smith, David Steward, Oprah Winfrey, Michael Jordan and Jay-Z.
According to businessinsider.com, there are 607 billionaires in the United States, and only 5 of them are black. Here's the list of them, sorted by their net worth:
1. Robert F. Smith
2. David Steward
3. Oprah Winfrey
4. Michael Jordan