Rock Island County, Illinois ZIP Codes
- ZIP records
17 - Cities represented
17 - Sum of listed ZIP population estimates
143,264
Population sum includes positive estimates in these ZIP records; it is not an official county population.
Top ZIP Codes by Population
| Rank | ZIP Code | City | Population estimate |
|---|---|---|---|
| 1 | 61265 | Moline | 43,748 |
| 2 | 61201 | Rock Island | 36,766 |
| 3 | 61244 | East Moline | 23,308 |
| 4 | 61264 | Milan | 10,073 |
| 5 | 61282 | Silvis | 8,394 |
| 6 | 61240 | Coal Valley | 5,795 |
| 7 | 61275 | Port Byron | 4,253 |
| 8 | 61284 | Taylor Ridge | 2,599 |
| 9 | 61256 | Hampton | 1,926 |
| 10 | 61232 | Andalusia | 1,469 |
Cities in Rock Island County
- Andalusia
- Barstow
- Buffalo Prairie
- Carbon Cliff
- Coal Valley
- Cordova
- East Moline
- Hampton
- Hillsdale
- Illinois City
- Milan
- Moline
- Port Byron
- Rapids City
- Rock Island
- Silvis
- Taylor Ridge
ZIP Directory
- ZIP 61201
- ZIP 61232
- ZIP 61236
- ZIP 61237
- ZIP 61239
- ZIP 61240
- ZIP 61242
- ZIP 61244
- ZIP 61256
- ZIP 61257
- ZIP 61259
- ZIP 61264
- ZIP 61265
- ZIP 61275
- ZIP 61278
- ZIP 61282
- ZIP 61284
Browse all ZIP data for Illinois
Methodology: Records are grouped by the source file's listed county and state. Population sums add positive ZIP-level estimates and are not official county totals; city counts use distinct city labels in the source.