100 Largest ZIP Codes in the United States by Population in Rock Island County, Illinois
Explore the 100 largest ZIP codes in the United States ranked by population using U.S. Census demographic data. This page lists ZIP codes located in Rock Island County, Illinois.
| Rank | ZIP Code | City | State | Population |
|---|---|---|---|---|
| 1 | 61265 | MOLINE | IL | 44,006 |
| 2 | 61201 | ROCK ISLAND | IL | 37,838 |
| 3 | 61244 | EAST MOLINE | IL | 23,239 |
| 4 | 61264 | MILAN | IL | 9,927 |
| 5 | 61282 | SILVIS | IL | 8,234 |
| 6 | 61240 | COAL VALLEY | IL | 5,880 |
| 7 | 61275 | PORT BYRON | IL | 4,393 |
| 8 | 61256 | HAMPTON | IL | 2,063 |
| 9 | 61284 | TAYLOR RIDGE | IL | 1,745 |
| 10 | 61232 | ANDALUSIA | IL | 1,506 |
| 11 | 61259 | ILLINOIS CITY | IL | 1,379 |
| 12 | 61239 | CARBON CLIFF | IL | 1,174 |
| 13 | 61242 | CORDOVA | IL | 1,136 |
| 14 | 61279 | REYNOLDS | IL | 944 |
| 15 | 61257 | HILLSDALE | IL | 836 |
| 16 | 61278 | RAPIDS CITY | IL | 657 |
| 17 | 61236 | BARSTOW | IL | 65 |