Rock Island County is a county located in the U.S. state of Illinois. As of 2000, the population was 149,374. A 2008 estimate shows a slight decline in population to 146,886.
Its county seat is Rock Island, Illinois. It is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 451 square miles (1,168 km²), of which 427 square miles (...
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Rock Island County is a county located in the U.S. state of Illinois. As of 2000, the population was 149,374. A 2008 estimate shows a slight decline in population to 146,886.
Its county seat is Rock Island, Illinois. It is one of the four counties that make up the Davenport-Moline-Rock Island Metropolitan Statistical Area.
According to the U.S. Census Bureau, the county has a total area of 451 square miles (1,168 km²), of which 427 square miles (1,105 km²) is land and 24 square miles (63 km²) (5.41%) is water.
Andalusia, Blackhawk, Bowling, Buffalo Prairie, Canoe Creek, Coal Valley, Coe, Cordova, Drury, Edgington, Hampton, Moline, Port Byron, Rock Island, Rural, South Moline, South Rock Island, Zuma
Rock Island County was formed in 1831 out of Jo Daviess County. It was named for Rock Island, an island in the Mississippi River now known as Arsenal Island.
As of the census of 2000, there were 149,374 people, 60,712 households, and 39,159 families residing in the county. The population...
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