is the single site for up-to-date demographic and economic data about the Greater Quad Cities Region.  Here you'll find statistical information about our five-county region as a whole, or learn about individual cities or counties within our Region.  Located in Eastern Iowa and Western Illinois, approximately 165 miles west of Chicago, the Greater Quad Cities Region surrounds the intersection of Interstate 80 and the Mississippi River. Enter the QCRegion ReportBuilder below to start finding data about the Greater Quad Cities Region.