National Register Listings in Greene County, Illinois
Black Homestead Farm
Carrollton Courthouse Square Historic District
Eldred, James John, House
Greene County Almshouse
Hodges House
Hotel Roodhouse
Koster Site
Rainey, Henry T., Farm
Tillery, Virginia, Round Barn
White Hall Foundry
White Hall Historic District
White Hall Historic District (Boundary Increase)
The Illinois State Police, founded in 1922, is one of the oldest state police agencies in the United States. The agency is responsible for enforcing state laws, protecting state property, and providing security for the governor and other state officials.