Mercer County Jail
Also known as The Slammer Restaurant; The Great Escape Bed and Breakfast
Many listed buildings are private homes. Please enjoy them from the street.
About Mercer County Jail
Mercer County Jail, at 309 S. College Ave., was added to the National Register of Historic Places on Jul 25, 1997. The Register lists it for its law and architecture, at the local level. It describes its style as Tudor Revival, as it does for 52 other Illinois listings. Two more Register listings are within a quarter mile.
What it isPrison in Aledo, United States of America. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 54 MB · National Archives↗Make it a walk: 3 landmarks in about 5 minutes
309 S. College Ave., Aledo · about 0.2 miles on foot, as the crow flies
- 1Mercer County JailStart here
- 2
Mercer County CourthouseRomanesque · Built 1894 · next door - 3
Downtown Aledo Historic DistrictDistrict · 0.1 mi on
1 more Register listing within 2 miles
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Tudor Revival style, nearby
Other National Register listings within 25 miles described as Tudor Revival.
Memories of Mercer County Jail
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Mercer County Jail
Is Mercer County Jail on the National Register of Historic Places?
Yes. It was added on Jul 25, 1997 (Register number 97000816).
Is Mercer County Jail a National Historic Landmark?
No. It is on the National Register; Illinois has 86 National Historic Landmarks. The nearest is Rock Island Arsenal, 24.4 miles away.
Can you visit Mercer County Jail?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Mercer County Jail?
In its National Register nomination, the form that put it on the Register: a 54 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 28893733 · Wikidata. Map tiles © OpenStreetMap contributors.