Rockford, IL - The Forest City

Rockford is a mid-sized city located on both banks of the Rock River in far northern Illinois. Rockford is often referred to as "The Forest City" and is the county seat of Winnebago County, Illinois, USA. As reported in the 2006 census estimate, it is said to have a population of 155,138; making it the third-largest city in Illinois after Chicago and Aurora. The metropolitan area has 339,178 residents as of the 2000 census. During the latter part of the 20th century Rockford was the second largest city in Illinois. The current mayor is Lawrence J. Morrissey, an independent elected to a four year term in April 2005.