Waterloo, IL zip code
Waterloo, Illinois uses one zip code: 62298. Most of it is in Monroe County. Together these zip codes are home to about 18K people.
Zip codes
1
Population
18K
All zips combined
Largest zip
62298
18,208 residents
Zip codes in Waterloo
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 62298 | 18,208 | $101,155 |