Rock Island
Source:
Illinois
Rock Island is a mid-size county in Illinois with 17 ZIP codes, 148,756 people, and upper-quartile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.
National county placement
According to ACS 5-Year Estimates, Rock Island, IL sits among US counties with an upper-quartile household income, on a mid-size county population base, across a multi-ZIP patchwork.
- Top 24%
- household income vs 3,210 US counties
- 148,756
- combined ZIP population
- 17
- USPS ZIP codes covered
- $79,207
- avg ZIP median income
Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.
Rock Island lands in the national county income distribution as upper-quartile household income on mid-size county footing (FIPS 17161, 17 ZIPs, combined population 148,756). Sort the ZIP table by population before treating the county mean as uniform.
High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 61265 (Moline) with 45,099 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 17161, so scorecards stay county-keyed while household income stays ZIP-keyed.
Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.
17
Total ZIPs
148,756
Total Population
ZIP Codes in Rock Island
Side-by-side: Compare 61265 vs 61201 →
| ZIP Code | City | Population | Density |
|---|---|---|---|
| 61265 | Moline | 45,099 | 921 |
| 61201 | Rock Island | 39,116 | 844 |
| 61244 | East Moline | 24,053 | 355 |
| 61264 | Milan | 10,548 | 57 |
| 61282 | Silvis | 7,809 | 906 |
| 61240 | Coal Valley | 5,870 | 62 |
| 61275 | Port Byron | 4,347 | 50 |
| 61284 | Taylor Ridge | 2,292 | 20 |
| 61256 | Hampton | 1,822 | 533 |
| 61232 | Andalusia | 1,284 | 175 |
| 61259 | Illinois City | 1,276 | 6 |
| 61239 | Carbon Cliff | 1,219 | 280 |
| 61257 | Hillsdale | 1,210 | 11 |
| 61242 | Cordova | 1,145 | 14 |
| 61279 | Reynolds | 1,061 | 10 |
| 61278 | Rapids City | 412 | 158 |
| 61236 | Barstow | 193 | 52 |
Frequently Asked Questions
What is the population of Rock Island?
Rock Island has a total population of 148,756 across 17 ZIP codes, based on U.S. Census Bureau ACS 2023 data.
What ZIP codes are in Rock Island?
Rock Island includes 17 ZIP codes: 61265, 61201, 61244, 61264, 61282, 61240, 61275, 61284, 61256, 61232, and more.