Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Wheeler Cemetery | Cemetery | 119 | Wabash | 38 19 11 N | 087 57 08 W |
| Holland School (historical) | School | 159 | Washington | 38 19 10 N | 089 27 19 W |
| Brush Lake | Lake | 115 | St. Clair | 38 19 10 N | 089 54 36 W |
| Pig Ridge | Ridge | 142 | Wayne | 38 19 09 N | 088 22 43 W |
| New Athens First Baptist Church | Church | 128 | St. Clair | 38 19 08 N | 089 52 25 W |
| Trinity Episcopal Church | Church | 155 | Jefferson | 38 19 08 N | 088 54 18 W |
| Saint Pauls Lutheran Church | Church | 128 | St. Clair | 38 19 07 N | 089 52 18 W |
| Pond Creek Drainage Ditch | Canal | 115 | Wayne | 38 19 07 N | 088 15 57 W |
| Waterloo Reservoir Number 2 | Reservoir | 177 | Monroe | 38 19 06 N | 090 09 54 W |
| Waterloo Reservoir Number 2 Dam | Dam | 177 | Monroe | 38 19 06 N | 090 09 54 W |
| Meadowbrook Christian Church | Church | 140 | Jefferson | 38 19 06 N | 088 52 24 W |
| Epworth United Methodist Church | Church | 144 | Jefferson | 38 19 05 N | 088 53 43 W |
| Richland School (historical) | School | 126 | Wayne | 38 19 05 N | 088 27 17 W |
| Mount Vernon City Hall | Building | 156 | Jefferson | 38 19 04 N | 088 54 17 W |
| Mount Vernon Fire Station Number 1 | Building | 156 | Jefferson | 38 19 04 N | 088 54 18 W |
| Saint Marys Roman Catholic Church | Church | 156 | Jefferson | 38 19 04 N | 088 54 29 W |
| Saint Marys School | School | 156 | Jefferson | 38 19 04 N | 088 54 29 W |
| Antioch Church | Church | 131 | Wabash | 38 19 04 N | 087 54 35 W |
| Antioch Church Cemetery | Cemetery | 131 | Wabash | 38 19 04 N | 087 54 35 W |
| C E Brehm Memorial Library | Building | 149 | Jefferson | 38 19 03 N | 088 53 57 W |
| Central Church of Christ | Church | 156 | Jefferson | 38 19 03 N | 088 54 16 W |
| New Hope Church | Church | 135 | Wayne | 38 19 03 N | 088 22 11 W |
| Kempside | Populated Place | 160 | Washington | 38 19 02 N | 089 25 36 W |
| Bob Strothman Baseball Park | Park | 157 | Jefferson | 38 19 02 N | 088 54 53 W |
| Fifth District Appellate Court | Building | 155 | Jefferson | 38 19 02 N | 088 54 30 W |
| First United Methodist Church | Church | 156 | Jefferson | 38 19 02 N | 088 54 20 W |
| Mount Vernon | Populated Place | 156 | Jefferson | 38 19 02 N | 088 54 11 W |
| Black Oak Ridge Cemetery | Cemetery | 183 | Jefferson | 38 19 02 N | 088 46 16 W |
| Vallette School (historical) | School | 144 | Edwards | 38 19 02 N | 088 03 30 W |
| Oakwood Cemetery | Cemetery | 161 | Jefferson | 38 19 01 N | 088 55 09 W |