This article is about the cities on the Illinois–Iowa border known collectively as the "Quad Cities". For other uses, see
Quad Cities (disambiguation) .
Metropolitan Statistical Area in the United States
Quad Cities, Iowa–Illinois
Davenport–Moline–Rock Island, IA–IL
Map of Davenport–Moline, IA–IL
CSA
Davenport–Moline–Rock Island, IA–IL
MSA
Clinton, IA μSA
Country United States State Iowa Illinois Largest city Davenport, Iowa Other cities Moline, Illinois Bettendorf, Iowa Rock Island, Illinois East Moline, Illinois • Total 170 sq mi (400 km2 ) Highest elevation
850 ft (259 m) Lowest elevation
590 ft (180 m) • Total 379,441 (148th ) • Rank 148th in the U.S. • Density 1,600/sq mi (618/km2 ) • Total $25.774 billion (2022) Time zone UTC-06:00 (CST ) • Summer (DST ) UTC-05:00 (CDT )
The Quad Cities is a region of cities (originally four, see History ) in the U.S. states of Iowa and Illinois : Davenport and Bettendorf in southeastern Iowa, and Rock Island , Moline and East Moline in northwestern Illinois.[ 2] [ 3] [ 4] [ 5] These cities are the center of the Quad Cities metropolitan area , a region within the Mississippi River Valley , which as of 2023 had a population estimate of 467,817 and a Combined Statistical Area (CSA) population of 474,019, making it the 90th-largest CSA in the nation.[ 6] [ 7] [ 8]
^ "Total Gross Domestic Product for Davenport-Moline-Rock Island, IA-IL (MSA)" . Federal Reserve Economic Data . Federal Reserve Bank of St. Louis .
^ "Welcome to the Quad Cities" . City Guide Post Inc. Retrieved February 2, 2008 .
^ "Community Visitor Information" . Illinois Quad Cites Chamber of Commerce. Archived from the original on December 14, 2007. Retrieved February 2, 2008 .
^ Johnson, Dirk (October 20, 1987). "East Moline Journal; Friday Night High, in the Bleachers" . The New York Times . Retrieved February 2, 2008 .
^ "Why Quad Cities" . Quad Cities Chamber of Commerce. Archived from the original on January 19, 2016. Retrieved February 3, 2016 .
^ List of Combined Statistical Areas
^ "Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2010 to July 1" . 2011 Population Estimates . United States Census Bureau , Population Division. June 2012. Archived from the original (CSV ) on April 27, 2012. Retrieved August 1, 2012 .
^ "Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2010 to July 1, 2011" . 2012 Population Estimates . United States Census Bureau , Population Division. April 2012. Archived from the original (CSV ) on May 1, 2013. Retrieved March 16, 2013 .