The oldest elected President was Ronald Reagan (age 69).
The youngest elected President was John Kennedy (age 43).
Theodore Roosevelt, however, was the youngest man to become President (age 42) when he succeeded McKinley, who had been assassinated.The tallest President was Abe Lincoln at 6'4".
The shortest President was James Madison at 5'4".
Presidents Abraham Lincoln, James Garfield, William McKinley, and John Kennedy were assassinated in office.
Three Presidents died on the 4th of July (John Adams, Thomas Jefferson, and James Monroe).
Four presidential candidates won the popular vote but lost the presidency (Andrew Jackson, Samuel Tilden, Grover Cleveland, and Al Gore).
James Buchanan was the only president never to marry.
Episcopalian is the the most common religious affiliation among all Presidents, followed by Presbyterian.