there are no states that entered the union while President John Adams was in office.
Warren Harding served as President of the United States during March 4, 1921 - August 2, 1923. No state was admitted into the union during Harding's presidency. Arizona was admitted into the Union on February 14, 1912 becoming the 48th state to join the Union. Alaska was admitted into the Union on January 3, 1859 becoming the 49th state to join the Union.
Florida and Louisiana
Nevada became the 36th State of the United States of America and was admitted to the Union on October 31st of 1864, while Lincoln was president.Nevada became the 36th state admitted to the Union on October 31st of 1864.It was admitted to the union on October 31, 1864.
Arkansas (1836) and MIchigan (1837) were admitted while Jackson was President.
Millard Fillmore served as President of the United States July 9, 1850 - March 4, 1853. California is the only state admitted into the union while Millard Fillmore was President. California was admitted into the Union on September 9, 1850 becoming the 31st state to join the Union.
Two states, West Virginia and Nevada, were admitted to the Union during the Presidency of Abraham Lincoln.
No states were admitted to the U. S. while John Quincy Adams was president.
Three states were added to the union under Buchanan: Minnesota, Oregon and Kansas.
There were 27 states when Polk took office as president. (Florida became a state the day before Polk took office but after he was elected.) Texas, Iowa and Wisconsin joined the union while Polk was President, so there were 30 states when he left office,
Hawaii and Alaska were added while Eisenhower was President.
There was no president as George Washington only took office two years later.