ZIP Code 61204 is located in Rock Island Illinois. 61204 is entirely within Rock Island County. Regionally, it is located in the Davenport-Rock Island-Moline Area.
| ZIP Code Name | Rock Island |
| Primary County | Rock Island County |
| ZIP Code Type | PO Box |
| Current Time | CDT |
| Coordinates | 41.51100540,-90.57232666 |
| Adjacent ZIP Codes | |
| Region | Davenport-Rock Island-Moline Area |
| Metropolitan/Micropolitan Stat Area | Davenport-Moline-Rock Island, IA-IL |
| Time Zone | Central Daylight Time |
| IANA Timezone | America/Chicago |
| US Congressional Districts in 61204 | |
| Illinois State Senate Districts in 61204 | |
| Illinois State House of Representatives Districts in 61204 |