Courthouse
Image
Location
Year
Comments
Adams
Quincy39°56′6″N 91°24′28″W / 39.93500°N 91.40778°W / 39.93500; -91.40778 (Adams County Courthouse )
1950[2] :15
Built to replace a former courthouse destroyed by a tornado[2] :15
Alexander
Cairo37°0′20″N 89°10′34″W / 37.00556°N 89.17611°W / 37.00556; -89.17611 (Alexander County Courthouse )
1965[3]
Modernist building from the 1960s;[2] :16 one of two extant courthouses in Cairo, along with the Old Customhouse.[4] Previous courthouse in Thebes is still standing[5]
Bond
Greenville38°53′33″N 89°24′46″W / 38.89250°N 89.41278°W / 38.89250; -89.41278 (Bond County Courthouse )
1884[2] :19
Bond County’s fourth courthouse[6]
Boone
Belvidere42°15′54″N 88°50′42″W / 42.26500°N 88.84500°W / 42.26500; -88.84500 (Boone County Courthouse )
1855[2] :20
Second-oldest Illinois courthouse in continuous use;[2] :