San Diego County Fair 2024 Theme Exhibit. The 2024 san diego county fair is open june 12 through july 7 (closed mondays & tuesdays.) For 2024 the san diego county fair theme is “let’s go retro.” so why not get out there and enjoy all the county fair has to offer in keeping with this theme.
This year’s theme is let’s go retro and the fair. Both kids had art on display as part of the exhibit at the san diego county fair.