what county is roscoe, il
Sponsored Topics. Roscoe is a village in Winnebago County, Illinois, a suburb of Rockford incorporated in 1965. The village is in a suburban area along the Rock River. It is part of the Rockford, Illinois Metropolitan Statistical Area. As of the 2010 census, the village population was 10,785, up from 6,244 at the 2000 census.