McHenry County is located in the northeastern corner of Illinois and is part of the Chicago metropolitan area. Its county seat is Woodstock.

McHenry County government is composed of a Board of County Commissioners, which is the legislative branch, and an elected County Board Chairman, who is the executive branch. The County Board is responsible for setting policy and enacting laws, while the County Board Chairman is responsible for overseeing the day-to-day operations of the county.

McHenry County is divided into 24 townships, which are further divided into precincts. The county is also divided into 16 municipalities, including the cities of Crystal Lake, Harvard, Huntley, Johnsburg, Lake in the Hills, Marengo, McHenry, Richmond, and Woodstock.

McHenry County is home to several state parks, including Moraine Hills State Park, Chain O'Lakes State Park, and Glacial Park. The county is also home to the McHenry County Conservation District, which manages over 20,000 acres of land and provides recreational opportunities for residents.

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