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
	Davenport Bettendorf Rock Island Moline
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 (440 km2)
Highest elevation	850 ft (259 m)
Lowest elevation	590 ft (180 m)
Population
• Total	467,817 (148th)
• Rank	148th in the U.S.
• Density	1,600/sq mi (618/km2)
GDP
• Total	$25.774 billion (2022)
Time zone	UTC-06:00 (CST)
• Summer (DST)	UTC-05:00 (CDT)

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The Quad Cities is a region of five cities 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. These cities are the center of the Quad Cities metropolitan area, a region within the Mississippi River Valley, which as of 2025, had a population estimate of 380,452 and a Combined Statistical Area (CSA) population of 468,307, making it the 148th-largest MSA and 91st-largest CSA in the nation.