Sterling, IL zip code
Sterling, Illinois uses one zip code: 61081. Most of it is in Whiteside County. Together these zip codes are home to about 21K people.
Zip codes
1
Population
21K
All zips combined
Largest zip
61081
20,844 residents
Zip codes in Sterling
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61081 | 20,844 | $67,586 |