what county is auburn, il in
Auburn is a City in Sangamon County, Illinois with a population of 4,870. There are 1,746 households in the city with an average household size of 2.75 persons. 17.98% of households in Auburn are renters. Income and Rent Overburden in Auburn. The median gross income for households in Auburn is $63,448 a year, or $5,287 a month.