Rock Island County
| Use attributes for filter ! | |
| Area | 1169 |
|---|---|
| Founded | 1831 |
| Population | 144,808 (2017) |
| County seat | Rock Island |
| Points of interest | John Deere Pavilion |
| Niabi Zoo | |
| Date of Reg. | |
| Date of Upd. | |
| ID | 2247700 |
About Rock Island County
Rock Island County is a county located in the U. S. state of Illinois, bounded on the west by the Mississippi River. According to the 2010 census, it had a population of 147,546. Its county seat is Rock Island; its largest city is neighboring Moline.
