A Closer Look
Mendon's Adams County Fair is a seven-day late-July celebration near Quincy, serving the agricultural communities of Adams County along the Mississippi River bluffs.
Planning Your Visit
Mendon is in Adams County near Quincy — Quincy sits on stunning bluffs above the Mississippi River and was once one of Illinois's most important cities.
Fair Highlights
Expect livestock judging, 4-H and FFA competitions, carnival rides, local food vendors, and the community spirit of Adams County's Mississippi River farming heritage.
Heading to Adams County Fair?
Our complete packing list covers what actually makes a difference — sun protection, footwear, and the small things people forget until they need them.
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