Smithton is located in Saint Clair County. About 4,006 people live here (as of 2020). Between 2010 and 2020, the population grew from 3,693 to 4,006. The region is at 145 meters above sea level. There are about 137 streets in Smithton. The postal codes are 62285. Smithton is village in St. Clair County, Illinois, United States of America. Among other things, Smithton has schools.
| Area | 4.3 |
| Elevation | 145 m |
| Located in | St. Clair County |
| Postal code | 62285 |
| Country | United States |
| Population | 4006 |
| Official name | Smithton |
| 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 |