Smithton, IL zip code
Smithton, Illinois uses one zip code: 62285. Most of it is in St. Clair County. Together these zip codes are home to about 4.2K people.
Zip codes
1
Population
4.2K
All zips combined
Largest zip
62285
4,239 residents
Zip codes in Smithton
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62285 | 4,239 | $136,345 |