The Lake County Fairgrounds offers an array of activities for all to enjoy. The Fairgrounds provide an attractive setting with historic buildings, tree covered rambling walking paths. The Fairgrounds is open 365 days. We have a variety of buildings and shelters for rent for picnics, reunions, organization fundraisers, weddings and anniversaries. The Fairgrounds is the proud site of one of the largest County Fairs in Indiana, the Lake County Agricultural Society’s annual County Fair.