Rockford Metropolitan Area
The metropolitan area of Rockford is from the United States Census Bureau defined Metropolitan Region in the north of the US -amerikanischen state of Illinois . It includes Boone County and Winnebago County . The center of the region is the town of Rockford on the Rock River .
The region is connected to the air traffic network via Chicago Rockford International Airport .
population
In 2000 the metropolitan area had 320,204 inhabitants, the number of which had increased to 353,722 by 2009.
Neighboring regions
The metropolitan area of Rockford borders north of the metropolitan area Janesville-Beloit in the neighboring state of Wisconsin . The Chicago metropolitan area begins on the eastern edge of the region .
Counties
The Rockford Metropolitan Area consists of the following counties:
| Surname | 2000 census | 2009 estimate | modification |
|---|---|---|---|
| Boone County | 41,786 | 54.020 | 29.3% |
| Winnebago County | 278,418 | 299,702 | 7.6% |
| Rockford Metropolitan Area | 320.204 | 353,722 | 10.5% |