Rock Island, IL ZIP codes
Rock Island, Illinois has 3 ZIP codes, including 2 PO Box ZIPs. They are in Rock Island County.
- Population in these ZIPs
- 36,766
- Avg. median income
- $59,400population-weighted
- Typical home value
- $124,200population-weighted
- Metro area
- Davenport-Moline-Rock Island, IA-IL
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Rock Island, IL ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 61201 | Rock Island County | 36,766 | $59,396 | $124,200 |
| 61204 PO Box | Rock Island County | — | — | — |
| 61299 PO Box | Rock Island County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Rock Island
- Moline 4 mi
- Milan 8 mi
- Silvis 9 mi
- Hampton 10 mi
- East Moline 10 mi
- Andalusia 10 mi
- Coal Valley 10 mi
- Carbon Cliff 10 mi
- Barstow 11 mi
- Taylor Ridge 12 mi
- Rapids City 13 mi
- Colona 13 mi
Frequently asked questions
What county is Rock Island, Illinois in?
Rock Island ZIP codes are in Rock Island County.
Which Rock Island ZIP codes are PO Boxes?
61204 and 61299 are PO Box or single-organization ZIP codes; they have no residential delivery area.