Quad Cities

Quad Cities, Iowa–Illinois

Davenport–Moline–Rock Island, IA–IL
Quad Cities, Iowa–Illinois Davenport–Moline–Rock Island, IA–IL
Metropolitan Statistical Area
Map of Davenport–Moline, IA–IL CSA	City of Davenport, IA City of Bettendorf, IA City of Moline, IL City of Rock Island, IL Davenport–Moline–Rock Island, IA–IL MSA Muscatine, IA µSA Clinton, IA µSA
	City of Davenport, IA City of Bettendorf, IA City of Moline, IL City of Rock Island, IL Davenport–Moline–Rock Island, IA–IL MSA Muscatine, IA µSA 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
Area
• Total	170 sq mi (400 km2)
Highest elevation	850 ft (259 m)
Lowest elevation	590 ft (180 m)
Population
• Total	379,441 (148th)
• Rank	148th in the U.S.
• Density	1,600/sq mi (618/km2)
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.^[1]^[2]^[3]^[4] 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.^[5]^[6]^[7]

^ "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.