Rock Island County, county in Illinois, United States. As of 2020 county had an estimated population of 140,907 inhabitants. The county was created 192 years ago in 1831. Its county seat is "Rock Island".
There are 15 city/town in Rock Island County, IL. The largest city of Rock Island County is Moline with a population of 41,065. Other cities include, Rock Island population 36,870, East Moline population 20,473, Silvis population 7,473, Coal Valley population 3,719
Cities, Towns, Neighborhoods & Other Populated Places in Rock Island County.
City Name | Title | County | Population |
---|---|---|---|
Andalusia | Human settlement in Illinois, United States of America | Rock Island | 1,088 |
Buffalo Prairie | Township in Rock Island County, Illinois | Rock Island | 796 |
Carbon Cliff | City in Illinois, United States of America | Rock Island | 1,932 |
Coal Valley | City in Illinois, United States of America | Rock Island | 3,719 |
Cordova | Village in the United States | Rock Island | 640 |
East Moline | City in Rock Island County, Illinois, United States | Rock Island | 20,473 |
Edgington | Township in Rock Island County, Illinois | Rock Island | 1,442 |
Hampton | Human settlement in Rock Island County, Illinois, United States of America | Rock Island | 1,738 |
Hillsdale | Village in Illinois | Rock Island | 502 |
Moline | City in Illinois | Rock Island | 41,065 |
Port Byron | City in Illinois, United States of America | Rock Island | 1,597 |
Rapids City | Human settlement in Rock Island County, Illinois, United States of America | Rock Island | 962 |
Reynolds | Village in Illinois, USA | Rock Island | 508 |
Rock Island | City in Illinois | Rock Island | 36,870 |
Silvis | City in Rock Island County, Illinois, United States | Rock Island | 7,473 |