Grantsburg, IL zip code
Grantsburg, Illinois uses one zip code: 62943. Most of it is in Johnson County. Together these zip codes are home to about 428 people.
Zip codes
1
Population
428
All zips combined
Largest zip
62943
428 residents
Zip codes in Grantsburg
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62943 | 428 | $83,194 |