44 years old
John F. Kennedy was the youngest person to be elected as the President of the United States. He was 43 years old when he took office in 1961.
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John F. Kennedy was born in Brookline, Mass. on May 29, 1917. When he was elected the thirty-fifth President of the United States he was 42 years old. He was the youngest man to ever serve as President. Ironically, he was also the youngest President to die in office.
Oldest was Ronald Reagan, who was elected at age 69. Youngest was John F. Kennedy, elected at age 43. However, Theodore Roosevelt assumed office at 42 years old (he was not elected).
John F. Kennedy was the youngest president ever elected (43 years 236 days old).However, Theodore Roosevelt became vice president at a younger age (42 years 322 days old) and became president after McKinley's assassination and was technically a younger president than JFK.
John F. Kennedy was 45 in 1962. He was assassinated in 1963, dying at the age of 46. He was the youngest American president elected into office.
He was born in 1917 and was elected president in 1960 .
John F. Kennedy was born May 29th, 1917. He ran for president in 1960. He was 43yrs. old.
"w' was 15 when JFK took office and 18 when Kennedy died..
William Howard Taft was 51 when elected U.S. President in 1908.Abraham Lincoln was 51 when elected to his 1st term in 1860.Barack Obama was 51 when elected to his 2nd term in 2012.
John F. Kennedy was the youngest president of U.S ever elected. He was 43 years old when he was elected in 1961.
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