County Fair Guide

Williamson County Fair

Marion, Illinois

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2026 Dates

August 1–8, 2026

Duration

8 days

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Size

small

Highlights

Expect livestock judging, 4-H competitions, carnival rides, local food vendors, and the community spirit of Williamson County's coal and agricultural heritage.

Williamson County Fair Overview

Marion's Williamson County Fair is an eight-day early-August celebration in the coal mining country of southern Illinois, serving the communities of Williamson County. The area's broader history includes notable events and landmarks dating to 1922.

Good to Know

Marion is in Williamson County in southern Illinois — the county has a dramatic coal mining history including the Herrin Massacre of 1922, and is at the edge of the Shawnee Hills.

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