Rock Island County, Illinois
17 ZIP codes · 427.5 sq mi of land · FIPS 17161
| Population | 142,757 |
|---|---|
| State | Illinois |
| FIPS code | 17161 |
| Time zone | Central |
| Land area | 427.5 sq mi |
| Center (lat, long) | 41.4684, -90.5721 |
Area codes in this area
These are the area codes that most often serve Rock Island County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
Moline · 42,197Rock Island · 36,151East Moline · 20,904AndalusiaBarstowBuffalo PrairieCarbon CliffCoal ValleyCordovaHamptonHillsdaleIllinois CityMilanPort ByronRapids CitySilvisTaylor Ridge
ZIP codes in Rock Island County
61201 Rock Island61232 Andalusia61236 Barstow61237 Buffalo Prairie61239 Carbon Cliff61240 Coal Valley61242 Cordova61244 East Moline61256 Hampton61257 Hillsdale61259 Illinois City61264 Milan61265 Moline61275 Port Byron61278 Rapids City61282 Silvis61284 Taylor Ridge
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.