what county is moline, il in
Moline, IL. Sponsored Topics. Moline ( /moÊliËn/ moh-leen) is a city located in Rock Island County, Illinois, United States, with a population of 50,792 in 2010.[citation needed] Moline is one of the Quad Cities, along with neighboring East Moline and Rock Island in Illinois and the cities of Davenport and Bettendorf in Iowa.