Home Locations Find a Physician Find a Dentist About CHC Programs Pharmacy Career Opportunities Who We Serve Giving Opportunities What’s New Quad Cities Contact Us Performance Improvement Homeless   Copyright ©2006 Community Health Care, Inc.   Quad Cities The Quad Cities rests on the banks of the Mississippi River and share a population of 400,000. The region is made up of Davenport and Bettendorf in Iowa and Moline/East Moline and Rock Island in Illinois, and surrounding communities.