where is  auburn
Auburn, IN. Online Offers. Auburn is a city in DeKalb County, Indiana, United States. The population was 13,086 at the 2010 census. Founded in 1836 by Wesley Park (1811â1868), the city is the county seat of DeKalb County. Auburn is also known as Home of the Classics. Auburn is located at 41Â°21â²56â³N 85Â°03â²23â³W / 41.365505Â°N 85.056355Â°W / 41.365505; -85.056355 20 miles north of Fort Wayne in Northern Indiana. Interstate 69 passes just west of the city.