McDonough County Courthouse


(309) 833-2474


Courthouse Square Macomb, IL 61455

The historic McDonough County Courthouse is located in the McDonough County seat city of Macomb, in the U.S. state of Illinois. The courthouse was constructed in 1871. Architect Elijah E. Myers designed the building in the Second Empire style; the courthouse is one of the few remaining Second Empire buildings in the county. The building houses the County Clerk, Treasurer and State’s Attorney’s Office among others. The courthouse was added to the National Register of Historic Places in 1972. In the late 1970s, the county rehabilitated the building to restore its original exterior.

Established in 1830, McDonough County is named for Commodore Thomas McDonough who led a successful battle againt the British on Lake Champlain in the War of 1812.