James K. Polk was 49 years of age when he was inaugurated in 1845.
yes he had many jobs before he was president
No one. Theodore Roosevelt became US President on 14 September 1901 at age 42
Millard Fillmore
The age he was when he became a president is 48
69
52
52
47.
42 He was the youngest person to assume the presidency. He became President after the assassination of President McKinley. John Kennedy became the youngest elected President.
62
56
Coolidge was 51 when he first became President.