La County Fair 2024 Hours. — founded in the 1920s in pomona, california, the la county fair is as much a celebration of california’s agricultural history as it is good ole’ summer fun. — the la county fair, held at the fairplex in pomona, is one of southern california’s most iconic events.
Held at fairplex in pomona, the event pays tribute to california ‘s glorious past, celebrates the mix of. Join us at our job fair on april 6!