Thayer is located in Sangamon County, IL. The population is 555.
There are 0 public schools in Thayer with an average Homefacts rating of NA. The total crime rate for Thayer is very low , and there are 0 registered sex offenders residing in the city. Unemployment in Thayer is moderate and the median home sales price is $0. Detailed and up-to-date Thayer property reports are available for any property address.
Cities near Thayer include Auburn Township, Virden and Auburn.