Editing Quad Cities (section)

{{about|the cities on the Illinois–Iowa border known collectively as the "Quad Cities"}}
{{Use mdy dates|date=January 2024}} {{Use American English|date=January 2024}}
{{Infobox settlement
| official_name      = Quad Cities, Iowa–Illinois
| other_name         = Davenport–Moline–Rock Island, IA–IL
| settlement_type    = [[Metropolitan Statistical Area]]
| image_skyline      = File:Quad Cities Montage.jpg
| image_caption      = 
| image_map          = {{maplink|frame=yes|plain=yes|frame-align=center|frame-width=290|frame-height=320|zoom=8|frame-coord={{coord|41.4700|-90.6500}}
| type1=shape|id1=Q485474|title1=Scott County, IA|stroke-color1=#720000|stroke-width1=0.5|fill1=#720000|fill-opacity1=0.4
| type2=shape|id2=Q486328|title2=Henry County, IL|stroke-color2=#720000|stroke-width2=0.5|fill2=#720000|fill-opacity2=0.4
| type3=shape|id3=Q491427|title3=Mercer County, IL|stroke-color3=#720000|stroke-width3=0.5|fill3=#720000|fill-opacity3=0.4
| type4=shape|id4=Q491004|title4=Rock Island County, IL|stroke-color4=#720000|stroke-width4=0.5|fill4=#720000|fill-opacity4=0.4
| type5=shape|id5=Q491390|title5=Muscatine County, IA|stroke-color5=#FF9200|stroke-width5=0.5|fill5=#FF9200|fill-opacity5=0.4
| type6=shape|id6=Q111936|title6=Clinton County, IA|stroke-color6=#0003FF|stroke-width6=0.5|fill6=#0003FF|fill-opacity6=0.4
| type7=shape|id7=Q26887|title7=City of Davenport, IA|stroke-color7=#007272|stroke-width7=0.5|fill7=#007272|fill-opacity7=0.4
| type8=shape|id8=Q832387|title8=City of Bettendorf, IA|stroke-color8=#BD000A|stroke-width8=0.5|fill8=#BD000A|fill-opacity8=0.4
| type9=shape|id9=Q579736|title9=City of Moline, IL|stroke-color9=#83AE46|stroke-width9=0.5|fill9=#83AE46|fill-opacity9=0.4
| type10=shape|id10=Q577878|title10=City of Rock Island, IL|stroke-color10=#00BCE4|stroke-width10=0.5|fill10=#00BCE4|fill-opacity10=0.4
}}
| map_caption        = Map of Davenport–Moline, IA–IL [[Combined Statistical Area|CSA]]
{{Col-begin}}
{{Col-break}}
{{leftlegend|#156000|[[Davenport, Iowa|City of Davenport, IA]]}}
{{leftlegend|#BD000A|[[Bettendorf, Iowa|City of Bettendorf, IA]]}}
{{leftlegend|#83AE46|[[Moline, Illinois|City of Moline, IL]]}}
{{leftlegend|#00BCE4|[[Rock Island, Illinois|City of Rock Island, IL]]}}
{{leftlegend|#C39290|Davenport–Moline–Rock Island, IA–IL [[Metropolitan Statistical Area|MSA]]}}
{{leftlegend|#FF9200|Muscatine, IA [[μSA]]}}
{{leftlegend|#0003FF|Clinton, IA μSA}}
{{Col-end}}
| pushpin_map        = 
| pushpin_map_alt    = 
| pushpin_map_caption = 
| coordinates        = 
| coordinates_footnotes = 
| subdivision_type   = [[List of sovereign states|Country]]
| subdivision_name   = [[File:Flag of United States.svg|border|23px]] [[United States]]
| subdivision_type1  = State
| subdivision_name1  = [[File:Flag of Iowa.svg|23px]] [[Iowa]]<br>[[File:Flag of Illinois.svg|23px]] [[Illinois]]
| subdivision_type2  = Largest city
| subdivision_name2  = [[Davenport, Iowa]]
| subdivision_type3  = Other cities
| subdivision_name3  = [[Moline, Illinois]]<br>[[Bettendorf, Iowa]]<br>[[Rock Island, Illinois]]<br>[[East Moline, Illinois]]
| established_title  = 
| established_date   = 
| unit_pref          = US
| area_footnotes     = 
| area_total_sq_mi   = 170
| elevation_max_footnotes = <!-- for references: use <ref> tags -->
| elevation_max_ft   = 850
| elevation_max_m    = 259
| elevation_min_footnotes = <!-- for references: use <ref> tags -->
| elevation_min_ft   = 590
| elevation_min_m    = 180
| population_as_of   = 
| population_footnotes = 
| population_total   = 379441 ([[Table of United States Metropolitan Statistical Areas|148th]])
| population_density_sq_mi = 1600
| population_density_km2 = 618
| population_rank    = [[List of metropolitan statistical areas|148th in the U.S.]]
| demographics_type2 = GDP
| demographics2_footnotes = <ref>{{Cite web|title=Total Gross Domestic Product for Davenport-Moline-Rock Island, IA-IL (MSA) |url=https://fred.stlouisfed.org/series/NGMP19340|work=[[Federal Reserve Economic Data]] |publisher=[[Federal Reserve Bank of St. Louis]]}}</ref>
| demographics2_title1 = Total
| demographics2_info1 = $25.774 billion (2022)
| timezone1          = [[North American Central Time Zone|CST]]
| utc_offset1        = -06:00
| timezone1_DST      = [[North American Central Time Zone|CDT]]
| utc_offset1_DST    = -05:00
| postal_code_type   = 
| postal_code        = 
| area_code_type     = 
| area_code          = 
| iso_code           = 
| website            = <!-- {{URL|example.com}} -->
}}

The '''Quad Cities''' is a region of five cities (originally Tri-Cities, later four, see [[#History|History]]) in the [[U.S. state]]s of [[Iowa]] and [[Illinois]]: [[Davenport, Iowa|Davenport]] and [[Bettendorf, Iowa|Bettendorf]] (the fifth to be included) in southeastern Iowa, and [[Rock Island, Illinois|Rock Island]], [[Moline, Illinois|Moline]] and [[East Moline, Illinois|East Moline]] (the fourth to be included) in northwestern Illinois.<ref name="qc">{{Cite web|title=Welcome to the Quad Cities|publisher=City Guide Post Inc.|url=http://www.quadcities.com/|access-date =February 2, 2008}}</ref><ref name="qc2">{{Cite web |title=Community Visitor Information |publisher=Illinois Quad Cites Chamber of Commerce |url=http://www.quadcitychamber.com/visitor/|access-date=February 2, 2008|archive-url=https://web.archive.org/web/20071214222307/http://www.quadcitychamber.com/visitor/|archive-date=December 14, 2007}}</ref><ref name="qc3">{{Cite news|last=Johnson|first=Dirk|date=October 20, 1987|title=East Moline Journal; Friday Night High, in the Bleachers|work=The New York Times|url=https://query.nytimes.com/gst/fullpage.html?res=9B0DE3DD1531F933A15753C1A961948260|access-date=February 2, 2008}}</ref><ref name=":0">{{cite web|url=http://www.quadcitieschamber.com/why-quad-cities|title=Why Quad Cities|publisher=Quad Cities Chamber of Commerce|access-date=February 3, 2016|archive-url=https://web.archive.org/web/20160119074525/http://www.quadcitieschamber.com/why-quad-cities|archive-date=January 19, 2016|url-status=dead}}</ref> These cities are the center of the Quad Cities metropolitan area, a region within the [[Mississippi River|Mississippi River Valley]], which as of 2023, had a population estimate of 467,817 and a [[List of Combined Statistical Areas|Combined Statistical Area]] (CSA) population of 474,019, making it the 90th-largest CSA in the nation.<ref>[[List of Combined Statistical Areas]]</ref><ref name=2012Metro>{{cite web|url=https://www.census.gov/popest/data/metro/totals/2011/tables/CBSA-EST2011-01.csv|title=Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2010 to July 1|format=[[comma-separated values|CSV]]|work=2011 Population Estimates|publisher=[[United States Census Bureau]], Population Division|date=June 2012|access-date=2012-08-01|url-status=dead|archive-url=https://web.archive.org/web/20120427231227/http://www.census.gov/popest/data/metro/totals/2011/tables/CBSA-EST2011-01.csv|archive-date=April 27, 2012|df=mdy-all}}</ref><ref name=PopEstCBSA>{{cite web|url=https://www.census.gov/popest/data/metro/totals/2012/files/CBSA-EST2012-alldata.csv|title=Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2010 to July 1, 2011|format=[[comma-separated values|CSV]]|work=2012 Population Estimates|publisher=[[United States Census Bureau]], Population Division|date=April 2012|access-date=2013-03-16|archive-url=https://web.archive.org/web/20130501135333/http://www.census.gov/popest/data/metro/totals/2012/files/CBSA-EST2012-alldata.csv|archive-date=May 1, 2013|url-status=dead|df=mdy-all}}</ref>