National Register of Historic Places listings in Knox County, Illinois
# National Register of Historic Places listings in Knox County, Illinois

This is a list of the National Register of Historic Places listings in Knox County, Illinois.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Knox County, Illinois, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.

There are 7 properties and districts listed on the National Register in the county. Another property was once listed but has been removed.

This National Park Service list is complete through NPS recent listings posted July 14, 2023.

## Current listings

| | Name on the Register | Image | Date listed | Location | City or town | Description |
| - | - | - | - | - | - | - |
| 1 | J. Newton Conger House | J. Newton Conger House | April 20, 1979 (#79003111) | 334 N. Knox St. 41°04′33″N 90°13′41″W﻿ / ﻿41.075833°N 90.228056°W﻿ / 41.075833; -90.228056﻿ (J. Newton Conger House) | Oneida | |
| 2 | Galesburg Historic District | Galesburg Historic District More images | November 21, 1976 (#76000715) | Roughly bounded by Berrien, Clark, Pearl, and Sanborn Sts. 40°57′07″N 90°22′09″W﻿ / ﻿40.951944°N 90.369167°W﻿ / 40.951944; -90.369167﻿ (Galesburg Historic District) | Galesburg | |
| 3 | Knox County Courthouse and Hall of Records | Knox County Courthouse and Hall of Records More images | February 13, 1992 (#92000051) | Public Sq., Main St. 40°54′30″N 90°17′04″W﻿ / ﻿40.908333°N 90.284444°W﻿ / 40.908333; -90.284444﻿ (Knox County Courthouse and Hall of Records) | Knoxville | |
| 4 | Knox County Jail | Knox County Jail More images | February 13, 1992 (#92000050) | Public Sq., Market St. 40°54′31″N 90°17′07″W﻿ / ﻿40.908694°N 90.285139°W﻿ / 40.908694; -90.285139﻿ (Knox County Jail) | Knoxville | |
| 5 | Meetinghouse of the Central Congregational Church | Meetinghouse of the Central Congregational Church | September 30, 1976 (#76000716) | Central Sq. 40°56′48″N 90°22′18″W﻿ / ﻿40.946667°N 90.371667°W﻿ / 40.946667; -90.371667﻿ (Meetinghouse of the Central Congregational Church) | Galesburg | |
| 6 | Old Main, Knox College | Old Main, Knox College More images | October 15, 1966 (#66000323) | Knox College campus 40°56′36″N 90°22′14″W﻿ / ﻿40.943333°N 90.370556°W﻿ / 40.943333; -90.370556﻿ (Old Main, Knox College) | Galesburg | Charles Ulricson, architect. Site of the October 7, 1858 Lincoln–Douglas debate. |
| 7 | Walnut Grove Farm | Walnut Grove Farm | August 24, 1989 (#89001114) | Knox Station Rd., 1 mile (1.6 km) north of Knoxville 40°55′11″N 90°16′07″W﻿ / ﻿40.919722°N 90.268611°W﻿ / 40.919722; -90.268611﻿ (Walnut Grove Farm) | Knoxville | |

## Former listing

| | Name on the Register | Image | Date listed | Date removed | Location | City or town | Description |
| - | - | - | - | - | - | - | - |
| 1 | Wolf Covered Bridge | Upload image | December 4, 1974 (#74000763) | December 8, 1995 | NW of Yates City on CR 17 over Spoon River | Yates City | Destroyed by fire in 1994. |
