Madison County is located in the U.S. state of Illinois. The county seat is Edwardsville. The county was organized in 1812.

Madison County is part of the Metro-East region of the St. Louis, MO-IL Metropolitan Statistical Area.

Madison County is governed by a board of 17 elected county board members. The county board is responsible for setting policy and budgeting for the county. The county board is also responsible for appointing the County Administrator, who is the chief executive officer of the county.

The Madison County Sheriff's Office is responsible for law enforcement in the county. The Sheriff is elected every four years.

The Madison County State's Attorney is responsible for prosecuting criminal cases in the county. The State's Attorney is elected every four years.

The Madison County Circuit Clerk is responsible for maintaining court records and issuing marriage licenses. The Circuit Clerk is elected every four years.

The Madison County Treasurer is responsible for collecting taxes and managing the county's finances. The Treasurer is elected every four years.

Madison County is served by several school districts, including the Edwardsville Community Unit School District 7, the Granite City Community Unit School District 9, and the Triad Community Unit School District 2.

The county is also home to several higher education institutions, including Southern Illinois University Edwardsville, Lewis and Clark Community College, and Southwestern Illinois College.

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