Rockford metropolitan area

The Rockford metropolitan area is a metropolitan area consisting of two counties in north-central Illinois anchored by the city of Rockford, as defined by the U.S. Office of Management and Budget. The population was 338,798 at the 2020 census. The Rockford MSA abuts the Janesville–Beloit metropolitan area to the north and Chicago metropolitan area to the east. It forms the main part of the larger Rockford–Freeport–Rochelle combined statistical area, a four-county region with 435,216 residents in 2020.