Pearl City is an incorporated village in Stephenson County, Illinois, with a population of 838 at the 2010 census, up from 780 in 2000.

20.1% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older.

It is a part of the Freeport Micropolitan Statistical Area, which includes all of Stephenson County.

[4][5] The village is situated on Illinois Route 73, which runs south to Lanark and north to the Wisconsin border through Lena and Winslow.

Pearl City is located approximately six miles south of U.S. Route 20, which traverses the US from Boston in the east to Newport, Oregon in the west.