What new states were admitted between 1791 in 1821?

Florida was

admitted into the Union on March 3, 1845 becoming the 27th state to

join the Union.

Texas was

admitted into the Union on December 29, 1845 becoming the 28th

state to join the Union. Iowa was admitted into the Union on

December 28, 1846 becoming the 29th state to join the Union.

Wisconsin was admitted into the Union on May 29, 1848 becoming the

30th state to join the Union.