SummaryLenawee County Fair is happening from 21 July 2019, Sunday to 27 July 2019, Saturday at Lenawee County Fair and Event Grounds in Adrian, MI. The organizer of the event is Lenawee County. Lenawee County Fair 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.