ZIP CodesZIP codes in Rock Island County, Illinois
Rock Island County, Illinois has 21 ZIP codes in this list, from 61201 to 61299. They cover 18 places, among them Rock Island, Moline, Andalusia and Barstow.
Nothing in this county matches.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 61201 | Rock Island | 17.9 | 41.491, -90.565 |
| 61204 | Rock Island | no area | 41.555, -90.616 |
| 61232 | Andalusia | 3.2 | 41.439, -90.718 |
| 61236 | Barstow | 0.8 | 41.515, -90.358 |
| 61237 | Buffalo Prairie | 1.6 | 41.337, -90.852 |
| 61239 | Carbon Cliff | 0.8 | 41.495, -90.391 |
| 61240 | Coal Valley | 36.4 | 41.435, -90.465 |
| 61242 | Cordova | 31.4 | 41.693, -90.307 |
| 61244 | East Moline | 26.9 | 41.512, -90.432 |
| 61256 | Hampton | 1.5 | 41.556, -90.409 |
| 61257 | Hillsdale | 41.3 | 41.593, -90.226 |
| 61259 | Illinois City | 76.8 | 41.389, -90.892 |
| 61264 | Milan | 68.9 | 41.426, -90.574 |
| 61265 | Moline | 19.2 | 41.491, -90.498 |
| 61266 | Moline | no area | 41.507, -90.515 |
| 61275 | Port Byron | 33.2 | 41.601, -90.326 |
| 61278 | Rapids City | 1.6 | 41.582, -90.344 |
| 61279 | Reynolds | 39.3 | 41.328, -90.638 |
| 61282 | Silvis | 3.1 | 41.501, -90.413 |
| 61284 | Taylor Ridge | 44.4 | 41.383, -90.734 |
| 61299 | Rock Island | no area | 41.520, -90.542 |
The ZIP code areas of Rock Island County add up to about 448 square miles of land (1,161 sq km) as the Census Bureau draws them. The largest is 61259 (Illinois City), with 76.8 square miles.
Places with more than one code here: Rock Island (3 codes), Moline (2 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Rock Island, IL 61201.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.