He served for something short of three years- 1000 days is the figure often cited for his term-length.
Kennedy was president for about 2.7 years and was a Massachusetts resident.
many
4 years
he was president for 2 years
A president can serve two presidential terms of four years. Altogether, he/she can serve eight years as president.
JFK was president for 2 years, ten months, and two days.
6 years
ten years
John F. Kennedy did not serve as Vice-President of the United States, despite being privately preferred as Adlai Stevenson's running mate during the 1956 Presidential Election campaign.
8
8
Five