About California Mid-State Fair
The Fair opened in 1946 and was first known as the San Luis Obispo County Fair. The California Mid-State Fair is held annually and runs for 12 days at the end of July.
The Fair has hosted some of the biggest names in the music industry. Artists such as Aerosmith, Garth Brooks, Tom Petty, George Strait, Journey, Blake Shelton, Rod Stewart, Justin Bieber, Jason Aldean, Cardi B, Blake Shelton and Kenny Chesney have all performed on our Main Grandstand Arena stage.