Auburn is a city in DeKalb County, Indiana. It is the county seat of DeKalb County, and its population at the 2010 census was 13,086. The city is also known as "Home of the Classics", referring to the 'classic' automobiles that were once manufactured here.
It has three radio stations, one television station, and a local newspaper.
Auburn is the location of the Auburn Cord Duesenberg Festival, held each Labor Day weekend. It also has the Auburn Cord Duesenberg Automobile Museum and the National Automotive and Truck Museum. The festival is said to have the largest auction of automobiles in the world. The city also hosts the annual DeKalb County Free Fall Fair.