SummaryLenawee County Fair is happening from 22 July 2018, Sunday to 28 July 2018, Saturday at Lenawee County Fair and Event Grounds in Adrian, MI. The organizer of the event is Lenawee County. The event is open to public. The estimated number of attendance is 50,000. The frequency of Lenawee County Fair is annual. The event has been running since 1840.