Illinois City, IL zip code
Illinois City, Illinois uses one zip code: 61259. Most of it is in Rock Island County. Together these zip codes are home to about 1.1K people.
Zip codes
1
Population
1.1K
All zips combined
Largest zip
61259
1,053 residents
Zip codes in Illinois City
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 61259 | 1,053 | $91,458 |