| Name | Rock Island County |
| State | Illinois |
| FIPS Code | 17161 |
| Timezone | Central Standard Time (CST) |
| Population (2022) | 147,504 |
| Population Growth Rate(2000-2022) | -1.95% |
| Majority Ethnicity | White 73.35% |
| Public School Majority Ethnicity | White 54% |
| Partisan Voting Index | Democratic:+6 |
| Unemployment Rate | 6.8% |
| Race/Ethnicy | Percentage of Population (2018) |
|---|---|
| White | 73.35% |
| African American | 10.47% |
| Hispanic | 13.24% |
| Asian | 2.57% |
| Native American | 0.21% |
| Hawaiin/Pacific Islander | 0.16% |
| Race/Ethnicy | Percentage of Public School Students (2018) |
|---|---|
| White | 53.74% |
| African American | 17.06% |
| Hispanic | 19.7% |
| Asian | 3.62% |
| Native American | 0.19% |
| Hawaiin/Pacific Islander | 0.06% |