About Mercer County Fair
The Mercer County Fair in Celina draws from one of Ohio's strongest agricultural counties, known for productive farmland and thriving farming economy along Grand Lake St. Dating to 1854, it is one of Ohio's oldest and most enduring agricultural fair traditions. Marys. Harness racing is featured.
What to Expect
Livestock shows — particularly cattle and swine — are the heart of the Mercer County Fair, reflecting the county's prominence in Ohio agriculture. 4-H, a midway, and harness racing round out the week.
Visitor Tips
Grand Lake St. Marys is just steps from Celina — combine the fair with a lake outing for a full day.
Places to Stay Nearby
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