Parks & Recreation — Mercer County, Illinois

Historic & Cultural Sites

12 sites on the National Register of Historic Places.

• Commercial House
• Downtown Aledo Historic District
• Ives, Gideon, House
• Keithsburg Historic District
• Lock and Dam No. 17 Historic District
• Mercer County Courthouse
• Mercer County Fairgrounds
• Mercer County Jail
• Sherrard Banking Company
• Thompson, James S., House
• Verdurette
• Willits, Levi, House

Source: National Register of Historic Places.

Data provenance: aggregated from town-level sources, county.json. Rebuilt 2026-04-13T15:43:27.715543+00:00; aggregated 2026-04-13T16:08:22.980942+00:00.