Mercer County Courthouse
historic place
Welcome to the Mercer County Courthouse, a significant historic place in Aledo, Illinois. This Romanesque Revival building was authorized in 1893 to meet the growing needs of Mercer County. Completed in 1894, it was designed by architect Mifflin E. Bell. The three-story structure is built of Beria sandstone and features arched entrances on all four sides. A clock tower rises above the center of the building. The construction of this courthouse cost $60,000. Aledo became the county seat in 1857, and this building represents the second courthouse for Mercer County. On June 17, 1982, the Mercer County Courthouse was added to the National Register of Historic Places. It continues to serve as the center of county government and reflects the area's historical development.