<P> The Chicago metropolitan area , or Chicagoland , is the metropolitan area that includes the city of Chicago , Illinois , and its suburbs . With an estimated population of 9.4 million people , it is the third largest metropolitan area in the United States . </P>
<P> The Chicago metropolitan area , or Chicagoland , is the metropolitan area that includes the city of Chicago , Illinois , and its suburbs . With an estimated population of 9.4 million people , it is the third largest metropolitan area in the United States . </P>
what 's the population of the greater chicago area
what 's the population of the greater chicago area
9.4 million
9.4 million