Fayette County is located in the state of Illinois and is part of the St. Louis, MO-IL Metropolitan Statistical Area. The county seat is Vandalia.

Fayette County is governed by a seven-member Board of Commissioners. The board is elected from seven districts within the county. The board is responsible for setting policy and overseeing the county's budget.

The county is served by the Fayette County Sheriff's Office, which is responsible for law enforcement and corrections. The county also has a state's attorney, a coroner, and a circuit court.

Fayette County is home to several state parks, including the Fayette County State Recreation Area, the Fayette County State Fish and Wildlife Area, and the Fayette County State Forest. The county is also home to several historic sites, including the Vandalia Statehouse State Historic Site and the Fayette County Courthouse.

For the most up-to-date and in-depth information, please check the public records links below.