St. Johns is located in Perry County. About 163 people live here (as of 2020). Between 2010 and 2020, the population declined from 219 to 163. There are about 16 streets in St. Johns. St. Johns is village in Perry County, Illinois, United States.
| Area | 0.8 |
| Located in | Perry County |
| Country | United States |
| Population | 163 |
| Official name | St. Johns |
| Bike path |
| Bike lane on roadway |
| Cycling allowed on bus lane |
| Bicycle street |
| Open to cyclists |
| Open to cyclists, good path |
| Cycling prohibited |
| Cobblestone |
| Long-distance bike route | (depending on scale) |
| Long-distance bike route |
| Long-distance hiking trail | (depending on scale) |
| Long-distance hiking trail |
| Pedestrians prohibited |