Barack Obama is the only African-American president in the United States.
His father was a black Kenyan national. His mother was white, so Obama is 50% black. He is the only President with any verifiable African ancestry.
All of the US presidents have been men. There have been no female presidents.
No US presidents so far have been Lutherans.
As of October 2021, there have been 46 US presidents, including Donald Trump.
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Seven
All US presidents so far have been Christians.They have all been Protestants except for John F. Kennedy, a Catholic.
Including the one in office in 1920 and up to and including Barack Obama, there have been 17 U.S. Presidents.
No US presidents have been impeached and convicted and so removed from office.
Barrack Obama (Half-Black) John F. Kennedy (Catholic)
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44
None.