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Clay County Fairs & Festivals

1 event in Clay County, South Dakota for 2026.

Clay County Fair — Vermillion

AgriculturalFood FestivalSeasonal

Clay County Fair

An agricultural fair in Vermillion.

Thu–Sat, Aug 13–15Vermillion

Festivals & Fairs USA

The complete, independent directory of agricultural fairs, craft shows, and food festivals across the United States — covering all 50 states.

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© 2026 Festivals & Fairs USA. An independent directory — not affiliated with any fair. Dates and details are subject to change; always confirm with the organizer.