Rockford metropolitan area, Illinois

Rockford–Freeport–Rochelle, IL
Rockford–Freeport–Rochelle, IL
Downtown East State Street corridor
Map of Rockford–Freeport–Rochelle, IL CSA
Country United States
State Illinois
Area
  Total
2,130 sq mi (5,510 km2)
Population
  Total
337,658
GDP
  Total$18.129 billion (2022)
Time zoneUTC−6 (CST)
  Summer (DST)UTC−5 (CDT)

The Rockford Metropolitan Statistical Area, as defined by the United States Census Bureau, is an area consisting of four counties in north-central Illinois, anchored by the city of Rockford. As of the 2010 census, the MSA had a population of 349,431 (though a 2011 estimate placed the population at 348,360). The Rockford MSA abuts the southern portions of the Janesville-Beloit MSA and the Chicago MSA. It forms the main part of the larger RockfordFreeportRochelle Combined Statistical Area (est. pop. 455,595).