📍 View location on OpenStreetMap (41.579380, -90.341380)
| Data Metric | Local Statistic |
|---|---|
| Postal / Zip Code | 61278 |
| Primary City | Rapids City |
| State / Province | IL |
| County | Rock Island |
| Total Population | 678 |
| Population Density | 168.8 people/sq mi |
| Timezone | America/Chicago |
| Metric | ZIP 61278 | Rock Island County records | IL records |
|---|---|---|---|
| Population estimate | 678 | 143,264 (sum) | 12,694,745 (sum) |
| Population Density | 168.8 /sq mi | -- | -- |
| County population rank | #15 of 16 | -- | -- |
| State population rank | #1027 of 1,390 | -- | -- |
Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.
| ZIP Code | City | Distance | Population estimate |
|---|---|---|---|
| ZIP 61275 | Port Byron | 2.7 mi | 4,253 |
| ZIP 61256 | Hampton | 3.4 mi | 1,926 |
| ZIP 61236 | Barstow | 4.7 mi | 34 |
| ZIP 61244 | East Moline | 4.9 mi | 23,308 |
| ZIP 61257 | Hillsdale | 6.2 mi | 844 |
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →