Rapids City, IL ZIP code
The ZIP code for Rapids City, Illinois is 61278. It is in Rock Island County.
- Population in these ZIPs
- 678
- Avg. median income
- $69,900population-weighted
- Typical home value
- $219,000population-weighted
- Metro area
- Davenport-Moline-Rock Island, IA-IL
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Rapids City, IL ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 61278 | 678 | $69,938 | $219,000 |
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 Rapids City
- Port Byron 2 mi
- Hampton 4 mi
- Barstow 5 mi
- East Moline 5 mi
- Hillsdale 6 mi
- Colona 6 mi
- Carbon Cliff 7 mi
- Silvis 7 mi
- Cordova 9 mi
- Moline 10 mi
- Coal Valley 12 mi
- Geneseo 12 mi
Frequently asked questions
What is the ZIP code for Rapids City, IL?
The ZIP code for Rapids City, IL is 61278.
What county is Rapids City, Illinois in?
Rapids City ZIP codes are in Rock Island County.