Sterling, Illinois - Wikipedia, the free encyclopediaSterling is a city in Whiteside County, Illinois, United States. The population was 15,451 at the 2000 census. Formerly nicknamed "The Hardware Capital of the …
City of Sterling, Illinois - LocationLocate Sterling map ... Situated along the Rock River, Sterling (pop. 15,432) is located in Northwestern Illinois on the eastern edge of Whiteside County, one of the ...