Charles County Fair 2025. The 100th annual charles county fair will be held from thursday, september 12th thru sunday, september 15th, 2025. 21,327 likes · 3 talking about this · 14,017 were here.
Established in 1924, the charles county fair, occupying over 35 acres south of la plata, celebrates and highlights the county’s rich agriculutural history. Charles county fair, wentzville, missouri.