source http://en.wikipedia.org/wiki/List_of...sidents_by_age younger oldest this Wikipedia page oldest fifth youngest President at a date of accession oldest average age http://en.wikipedia.org/wiki/List_of...sidents_by_age youngest presidents oldest third-youngest president average age That’s right, Herbert Freaking Hoover younger younger ages http://en.wikipedia.org/wiki/List_of...sidents_by_age younger