About Barton County Fair
The Barton County Fair in Lamar celebrates the birthplace of Harry S. Truman — the 33rd President of the United States was born in Lamar in 1884 — alongside the county's cattle, row crop, and mixed farming heritage in the western Missouri prairie country near the Kansas border.
What to Expect
Expect livestock shows, 4-H and FFA competitions, local food vendors, and a community fair honoring both the agricultural traditions of the western Ozarks prairie and Barton County's presidential heritage.
Visitor Tips
Harry S. Truman's birthplace in Lamar is a Missouri State Historic Site — the small clapboard house where he was born on May 8, 1884 is open to visitors. The county's prairie grasslands and the Osage Plains support some of Missouri's finest cattle operations.
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