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. The area has been undergoing a period of rapid growth. There have been numerous border disputes with its neighbor to the west, Rockton, Illinois and development and annexations continue by both villages. Recent growth has included the Promontory Ridge and Hidden Creek custom home subdivisions east of the Illinois Tollway, I-39/I-90.
In 1958, a tornado ripped through northern Winnebago County, causing damage to Kinnikinnick[clarification needed]; according to records of the damage, the tornado could be rated as F2 or F3. On May 30, 2003, another tornado was reported in Roscoe, although damage was minimal. A possible tornado has moved through the neighborhood of Chickory Ridge, which is due west of the Rock River near the intersection of Bridge Street and North Second Street. Damage had been reported at the Harlem-Roscoe Fire Department and Dairy Queen. Noted damage is down by Culvers.
Roscoe is located at 42°24′53″N 89°0′38″W / 42.41472°N 89.01056°W / 42.41472; -89.01056 (42.414841, -89.010470). According to the United States Census Bureau, the village has a total area of 9.3 square miles (24.1 km²), of which 9.2 square miles (24.0 km²) is land and 0.1 square miles (0.2 km², 0.75%) is water.