St. Augustine is located in Knox County. About 119 people live here (as of 2020). Between 2010 and 2020, the population declined from 120 to 119. The region is at 196 meters above sea level. There are about 17 streets in St. Augustine. The postal codes are 61474. St. Augustine is human settlement in Knox County, Illinois, United States of America.
| Area | 0.6 |
| Elevation | 196 m |
| Located in | Knox County |
| Postal code | 61474 |
| Country | United States |
| Population | 119 |
| Official name | St. Augustine |
| 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 |