65
Thomas Edison was never elected president.
He was not elected president, so the question is moot.
He was 53 years and 11 months old when elected president in November, 1836.
He was born in 1917 and was elected president in 1960 .
Thomas Jefferson:):)
James Bucanhan was 66 when he was elected president of the USA.
Chester Arthur was 51 when he was elected vice-president. He was never elected President but was still 51 when became president.
You have to be 21.
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.
Calvin Coolidge, the 30th President, was 48 when he was elected vice-president. He was 51 when he became President due to Harding's death. He was 52 when he was elected President in 1924.
Buchanan was 65 when he was elected in 1856.
He was 42 when he was elected as president....The youngest president to ever be elected back then!