They were elected to play in the Southern League for the 1922–23 season.
After fifty-one seasons in the Southern League, they were elected to play in newly formed Football Conference in 1979.
Yeovil's first and only play-off success came in the 2012–13 season, when they beat Brentford 2–1 at Wembley Stadium to win promotion to the Championship, and the second tier for the first time.
The table details Yeovil Town's achievements in senior first team competition from the 1895–96 season to the end of the most recently completed season.
Details of abandoned competitions are shown in italics and appropriately footnoted.