Rock Island County, Illinois
Rock Island County covers 428 sq mi of land and has about 142,757 residents. 20 zip codes lie mainly within it, spread across 17 cities and towns. Zip codes that only partly reach into the county are listed on each zip's own page.
Population
142,757
334/sq mi
Median household income
$67K
U.S. $81K
Median home value
$150K
U.S. $333K
Median rent
$889
U.S. $1,413
Median age
40.3
U.S. 38.9
Poverty rate
15.5%
U.S. 12.5%
Cities and towns
Zip codes in Rock Island County
20 total
| Zip | City | Type | Population | IncomeMedian income |
|---|---|---|---|---|
| 61201 | Rock Island | 36,766 | $59,396 | |
| 61204 | Rock Island · PO box | — | — | |
| 61232 | Andalusia | 1,469 | $73,971 | |
| 61236 | Barstow | 34 | $77,813 | |
| 61237 | Buffalo Prairie | 0 | — | |
| 61239 | Carbon Cliff | 1,189 | $32,177 | |
| 61240 | Coal Valley | 5,795 | $113,220 | |
| 61242 | Cordova | 1,135 | $104,219 | |
| 61244 | East Moline | 23,308 | $63,819 | |
| 61256 | Hampton | 1,926 | $90,406 | |
| 61257 | Hillsdale | 844 | $64,107 | |
| 61259 | Illinois City | 1,053 | $91,458 | |
| 61264 | Milan | 10,073 | $78,068 | |
| 61265 | Moline | 43,748 | $66,933 | |
| 61266 | Moline · PO box | — | — | |
| 61275 | Port Byron | 4,253 | $108,438 | |
| 61278 | Rapids City | 678 | $69,938 | |
| 61282 | Silvis | 8,394 | $64,398 | |
| 61284 | Taylor Ridge | 2,599 | $100,505 | |
| 61299 | Rock Island · PO box | — | — |
Rock Island County at a glance
Compared with the U.S.
Household income distribution
<$25k
17%
$25–50k
21%
$50–75k
17%
$75–100k
14%
$100–150k
17%
$150–200k
8%
$200k+
6%
Highest education (adults 25+)
No diploma
9%
High school
31%
Some college
25%
Associate's
10%
Bachelor's
16%
Graduate
9%
How people get to work
Drove alone
77%
Carpooled
9%
Transit
1%
Walked
3%
Bicycle
0.3%
Worked from home
9%
Other
1%
At a glance
| Rock Island | U.S. | |
|---|---|---|
| Own their home | 69.7% | 65.2% |
| Bachelor's degree or higher | 24.7% | 35.7% |
| Work from home | 8.6% | 15.1% |
| Households with broadband | 90.5% | 91% |
| Without health insurance | 6.1% | 8.4% |
| Foreign-born | 8.7% | 14.1% |
| Veterans (of adults) | 7.1% | 6.2% |
| Unemployment | 5.6% | 5.2% |
| Average commute | 19.7 min | 26.4 min |