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Waaahaahaahaahaa!!! (Temper tantrum) I can't take Chicagoland anymore!!! Why did it have to be Shitcacaland?!! Why not Miami or Atlanta?!! Why not New York, Charleston, Houston, Nashville, memphis, milwaukee, phoenix, or brownsville?!! Chicagoland is prison, and all the lonely folks agree that this is terrible, this is the worst of the worst catastrophies in the world! Oh, the humanity and all the lonely guys out there who can never ever get a date in this burned out bird!
<!-- Infobox begins -->
{{Infobox settlement
|official_name = <big>Chicago Metropolitan Area</big>
|other_name = <small><br/>Chicago-Joliet-Naperville, IL-IN-WI MSA<br/>Chicago-Naperville-Michigan City, IL-IN-WI CSA</small>
|native_name = <!-- for cities whose native name is not in English -->
|nickname =
|settlement_type = [[United States metropolitan area|MSA]]
|image_skyline = Hancock Center view at dusk.jpg
|imagesize = 250px
|image_caption = Chicago
|image_map1 = JTown.JPG
|image_size = 250px
|image_seal =
|seal_size =
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|shield_size =
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|image_map = JTown.JPG
|mapsize = 250px
|map_caption = Joliet
|image_map1 = City of Naperville City Hall main entrance.jpg
|mapsize1 = 250px
|map_caption1 = Naperville
|pushpin_map = <!-- the name of a location map as per http://en.wikipedia.org/wiki/Template:Location_map -->
|pushpin_label_position = <!-- the position of the pushpin label: left, right, top, bottom, none -->
|subdivision_type = Country
|subdivision_name = United States
|subdivision_type1 = States
|subdivision_name1 = [[Illinois]], [[Indiana]], [[Wisconsin]]
|subdivision_type2 = Largest&nbsp;city
|subdivision_name2 = [[Chicago]], [[Illinois]]
|subdivision_type3 = other cities
|subdivision_name3 = {{Collapsible list}}
|1 = Hoffman Estates
|2 = [[Aurora, Illinois|Aurora]]
|3 = [[Joliet, Illinois|Joliet]]
|4= [[Naperville, Illinois|Naperville]]
|5= [[Elgin, Illinois|Elgin]]
|6=[[Waukegan, Illinois|Waukegan]]
|subdivision_type4 =
|subdivision_name4 =
|government_footnotes =
|government_type =
|leader_title =
|leader_name =
|leader_title1 = <!-- for places with, say, both a mayor and a city manager -->
|leader_name1 =
|leader_title2 =
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|leader_name3 =
|leader_title4 =
|leader_name4 =
|established_title = <!-- Settled -->
|established_date =
|established_title2 = <!-- Incorporated (town) -->
|established_date2 =
|established_title3 = <!-- Incorporated (city) -->
|established_date3 =
|area_magnitude =
|unit_pref = <!--Enter: Imperial, if Imperial (metric) is desired-->
|area_footnotes =
|area_total_km2 = <!-- ALL fields dealing with a measurements are subject to automatic unit conversion-->
|area_land_km2 = <!--See table @ Template:Infobox Settlement for details on automatic unit conversion-->
|area_water_km2 =
|area_total_sq_mi =
|area_land_sq_mi =
|area_water_sq_mi =
|area_water_percent =
|area_urban_km2 =
|area_urban_sq_mi =
|area_metro_km2 =
|area_metro_sq_mi =
|area_blank1_title = [[United States metropolitan area|MSA]]
|area_blank1_sq_mi = 9581
|area_blank2_title = [[Combined statistical area|CSA]]
|area_blank2_sq_mi = 10856
|population_as_of = 2007 est.
|population_footnotes = <ref>[http://www.census.gov/popest/estimates.php July 1, 2007 est. by Census Bureau]</ref>
|population_note = MSA/CSA = 2007, Urban = 2000
|population_total =
|population_density_km2 = 509
|population_density_sq_mi = 1,318
|population_metro =
|population_density_metro_km2 =
|population_density_metro_sq_mi =
|population_urban = 8,150,000 ([[List of United States urban areas|3rd]])
|population_density_urban_km2 =
|population_density_urban_sq_mi =
|population_blank1_title = [[United States metropolitan area|MSA]]
|population_blank1 = 9,524,673 ([[Table of United States Metropolitan Statistical Areas|3rd]])
|population_blank2_title = [[Combined statistical area|CSA]]
|population_blank2 = 9,785,747 ([[Table of United States Combined Statistical Areas|3rd]])
|population_density_blank1_km2 =
|population_density_blank1_sq_mi =
|timezone = [[Central Time Zone (Americas)|CT]]
|utc_offset = -6
|timezone_DST = [[Central Time Zone (Americas)|CDT]]
|utc_offset_DST = -5
|latd= |latm= |lats= |latNS=
|longd= |longm= |longs= |longEW=
|elevation_footnotes = <ref>The [[Willis Tower]] is the highest point in both the Chicago metropolitan area and the state of Illinois</ref>
|elevation_m = 176–527
|elevation_ft = 577–1,730
|postal_code_type = <!-- enter ZIP code, Postcode, Post code, Postal code... -->
|postal_code =
|area_code = 219, 224, 262, 312, 630, 708, 773, 815, 847, 872
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}} <!-- Infobox ends -->

The '''Chicago metropolitan area''', or '''Chicagoland''', is the [[metropolitan area]] associated with the city of [[Chicago]] in the [[United States]] and its suburbs. It is the area that is closely linked to the city through social, economic, and cultural ties. There are several definitions of the area, the two most common being the area under the jurisdiction of the [[Chicago Metropolitan Agency for Planning]] (a [[metropolitan planning organization]]), and the area defined by the [[United States Office of Management and Budget]] (OMB) as the Chicago-Joliet-Naperville, IL-IN-WI [[Metropolitan Statistical Area]] (MSA). The [[Indiana]] portion of the area is known as [[Northwest Indiana]].

==Definitions==
===Chicago Metropolitan Agency for Planning===
(CMAP) is responsible for transportation infrastructure, land use, and long term economic development planning for the areas under its jurisdiction.<ref>[http://www.chicagoareaplanning.org/about/default.asp Chicago Metropolitan Agency for Planning]</ref> The area has a MSA population of over 10 million.<ref>[http://www.catsmpo.com/regionalinfo.htm Chicago Area Transportation Study] - Regional Information</ref>
*[[Cook County, Illinois|Cook County]]
*[[DuPage County, Illinois|DuPage County]]
*[[Kane County, Illinois|Kane County]]
*[[Kendall County, Illinois|Kendall County]]
*[[Lake County, Illinois|Lake County]]
*[[McHenry County, Illinois|McHenry County]]
*[[Will County, Illinois|Will County]]

===Metropolitan statistical area===
The Chicago [[United States metropolitan area|Metropolitan Statistical Area]] (MSA) was originally designated by the [[United States Census Bureau]] in 1950 and consisted of the [[Illinois]] counties of Cook, DuPage, Kane, Lake, and Will along with Lake County in [[Indiana]]. As surrounding counties saw an increase in their population densities and the number of their residents employed within Cook County, they met Census criteria to be added to the MSA. The Chicago MSA is the third largest MSA by population in the United States with a population of 9,569,684 (2008 estimate).<ref name=csa_pop> The MSA covers 7,214 sq. mi. of land area and 2,367 sq. mi. of water area. The total area of the MSA is 9,581 sq. mi.[http://www.census.gov/population/estimates/metro_general/2006/CSA-EST2006-alldata.csv U.S. Census Bureau] - 2006 population estimates for combined statistical areas and their components</ref>

The MSA is further subdivided into the ''Chicago-Naperville-Joliet, IL Metropolitan Division'', corresponding roughly to the CMAP region, the ''Gary, IN Metropolitan Division'' consisting of the [[Indiana]] Counties of [[Lake County, Indiana|Lake]] and [[Porter County, Indiana|Porter]] as well as two surrounding counties, and the ''Lake County-Kenosha County, IL-WI Metropolitan Division''. The components of the MSA and their 2007 populations are as follows<ref name=csa_pop/>:

[[Image:2008-06-10 3000x1000 chicago skyline.jpg|thumb|500px|right|The [[Chicago]] Skyline]]
The [[Chicago Metropolitan Agency for Planning]]

**[[Cook County, Illinois|Cook County]] (5,294,664)
**[[DuPage County, Illinois|DuPage County]] (929,192)
**[[Lake County, Illinois|Lake County]] (710,241)
**[[Will County, Illinois|Will County]] (673,586)
**[[Kane County, Illinois|Kane County]] (501,021)
**[[McHenry County, Illinois|McHenry County]] (315,943)
**[[DeKalb County, Illinois|DeKalb County]] (103,729)
**[[Kendall County, Illinois|Kendall County]] (96,818)
**[[Grundy County, Illinois|Grundy County]] (47,144)

===Combined statistical area===
The OMB also defines a slightly larger region, the [[Combined Statistical Area]] (CSA), combining the metropolitan areas of Chicago, [[Michigan City, Indiana|Michigan City]] (in [[Indiana]]), and [[Kankakee, Illinois|Kankakee]] (in [[Illinois]]). This area represents the extent of the labor market pool for the entire region. The combined statistical area, of which the Chicago metropolitan area is part, has a population of 9,750,000 (as of 2007).<ref name=csa_pop/>

===Chicagoland===
Chicagoland is an informal name for the Chicago metropolitan area. There is no official definition for Chicagoland, which may be larger than the MSA and include portions of the greater CSA.

[[Robert R. McCormick|Colonel Robert R. McCormick]], editor and publisher of the ''[[Chicago Tribune]]'', usually gets credit for placing the term in common use.<ref>The Encyclopedia of Chicago, ISBN0-226-31015-9, Credit to McCormick given by Jack W. Fuller</ref><ref>Further reading: ''The Colonel's Century'', Time, June 9, 1947</ref> McCormick's conception of Chicagoland stretched all the way to nearby parts of [[Iowa]] and [[Michigan]].<ref>[http://www.encyclopedia.chicagohistory.org/pages/2.html Chicagoland<!-- Bot generated title -->]</ref> The first usage came on July 27, 1926 (page 1), with the headline: "Chicagoland's Shrines: A Tour of Discoveries" by reporter James O'Donnell Bennett. He stated that Chicagoland comprised everything in a 200-mile radius in every direction and reported on many different places in the area. The ''Tribune'' was the dominant newspaper in a vast area stretching to the west of the city, and that [[hinterland]] was closely tied to the metropolis by rail lines and commercial links.<ref> Cronon (1992); Keating (2005); Keating (2004)</ref>

Today, the ''Chicago Tribune'''s usage includes the city of Chicago, the rest of [[Cook County, Illinois|Cook County]], eight nearby Illinois counties ([[Lake County, Illinois|Lake]], [[McHenry County, Illinois|McHenry]], [[DuPage County, Illinois|DuPage]], [[Kane County, Illinois|Kane]], [[Kendall County, Illinois|Kendall]], [[Grundy County, Illinois|Grundy]], [[Will County, Illinois|Will]] and [[Kankakee County, Illinois|Kankakee]]), and two counties in [[Indiana]],<!-- comma is correct --> [[Lake County, Indiana|Lake]] and [[Porter County, Indiana|Porter]].<ref>[http://www.chicagotribune.com/classified/realestate/communities/ ''Chicago Tribune'' Classifieds map of Chicagoland]</ref> Illinois Department of Tourism literature uses ''Chicagoland'' for suburbs in Cook, Lake, DuPage, Kane and Will counties,<ref>[http://www.enjoyillinois.com/3-day/regionchicagoland.aspx enjoyillinois.com]</ref> treating the city separately. The [[Chicagoland Chamber of Commerce]] defines it as all of Cook, and DuPage, Kane, Lake, McHenry and Will counties. <ref>[http://www.chicagolandchamber.org/sub/fast_facts.asp Chicagoland Chamber of Commerce]</ref> However, there are differing viewpoints, some of which are mostly the point of view of whom one speaks with. For example, many residents who live in the further out satellite countys still refer to themselves as being "from Chicago" or "Chicagoans." Until recently, [[DeKalb County]] was never thought of as being part of the region, but now is commonly defined as a "far suburb" of the city.

== Geography of Chicago ==
{{main|Geography of Chicago}}

The city of Chicago is in the Chicago Plain, a flat and broad area characterized by little topographical relief. The few low hills here are sand ridges. North of the Chicago Plain, steep bluffs and ravines run alongside Lake Michigan. Along the southern shore of the Chicago Plain, there are sand dunes that run alongside the lake, but no bluffs. The tallest dunes reach up to near 200 feet and are found in the [[Indiana Dunes National Lakeshore]]. Surrounding the low plain are bands of [[moraine]]s in the south and west suburbs. These areas are higher and hillier than the Chicago Plain. A [[continental divide]], separating the Mississippi River watershed from that of the Great Lakes and St. Lawrence River, runs through the Chicago area.

==Demographics==
[[Image:Chicagoland air.jpg|thumb|315px|left|Airborne view of the dense southern part of the Chicago area, running alongside Lake Michigan. Downtown Chicago is visible in the left center of the photo.]]

The suburbs, surrounded by easily annexed flat ground, have been expanding at a tremendous rate since the early 1960s. Aurora, Elgin, Joliet, and Naperville are noteworthy for being four of the few [[boomburb]]s outside the [[Sun Belt]], [[West Coast of the United States|West Coast]] and [[Mountain States]] regions, and [[Commuter town|exurban]] [[Kendall County, Illinois|Kendall County]] ranked as the fastest-growing county (among counties with a population greater than 10,000) in the United States between the years 2000 and 2007.<ref>[http://www.dailyherald.com/story/?id=157223 Daily Herald | Kendall County is fastest growing in the nation<!-- Bot generated title -->]</ref>

Settlement patterns in the Chicago metropolitan area tend to follow those in the city proper: the northern suburbs along the shore of [[Lake Michigan]] are comparatively affluent, while the southern suburbs (sometimes known as [[Chicago Southland]]) are less so, with lower median incomes and a lower cost of living. However, there is a major exception to this. While Chicago's west side is the poorest section of the city, the western and northwestern suburbs contain many affluent areas. According to the 2000 Census, [[DuPage County, Illinois|DuPage County]] had the highest median household income of any county in the [[Midwestern United States]].

According to the 2000 US Census, poverty rates of the largest counties from least poverty to most are as follows: McHenry 3.70%, Dupage 5.90%, Will 6.70%, Lake 6.90%, Kane 7.40%, Cook 14.50%.

In an in-depth historical analysis, Keating (2004, 2005) examined the origins of 233 settlements that by 1900 had become suburbs or city neighborhoods of the Chicago metropolitan area . The settlements began as farm centers (41%), industrial towns (30%), residential railroad suburbs (15%), and recreational/institutional centers (13%). Although relations between the different settlement types were at times contentious, there also was cooperation in such undertakings as the construction of high schools.

===Population===
{|style="width:99%; text-align:right;" frame="box" rules="all" cellpadding="1" class="wikitable"
|-style="background-color:#CCFFFF; text-align:center;"
!Census Area
! width="10%" | July 1, 2008
! width="10%" | [[2000 United States Census|2000 Census]]
! width="10%" | [[1990 United States Census|1990 Census]]
! width="10%" | [[1980 United States Census|1980 Census]]
! width="10%" | [[1970 United States Census|1970 Census]]
! width="10%" | [[1960 United States Census|1960 Census]]
! width="10%" | [[1950 United States Census|1950 Census]]
|-
! style="text-align:left" | '''[[Chicago]]- [[Naperville, Illinois|Naperville]]- [[Joliet, Illinois|Joliet]], [[Illinois|IL]]-[[Indiana|IN]]-[[Wisconsin|WI]]'''
|'''9,569,684'''
|'''9,098,316'''
|'''8,065,633'''
|'''7,869,542'''
|'''7,612,314'''
|'''6,794,461'''
|'''5,495,364'''
|-
! style="text-align:left" | '''[[Cook County, Illinois|Cook County]], [[Illinois]]'''
|5,294,664
|5,376,741
|5,105,067
|5,253,655
|5,492,369
|5,129,725
|4,508,792
|-
! style="text-align:left" | [[DeKalb County, Illinois|DeKalb County]], [[Illinois]]
|106,321
|88,969
| style="background-color:lightgray;" | 77,932
| style="background-color:lightgray;" | 74,624
| style="background-color:lightgray;" | 71,654
| style="background-color:lightgray;" | 51,714
| style="background-color:lightgray;" | 40,781
|-
! style="text-align:left" | [[DuPage County, Illinois|DuPage County]], [[Illinois]]
|930,528
|904,161
|781,666
|658,835
|491,882
|313,459
|154,599
|-
! style="text-align:left" | [[Grundy County, Illinois|Grundy County]], [[Illinois]]
|47,958
|37,535
|32,337
|30,582
| style="background-color:lightgray;" | 26,535
| style="background-color:lightgray;" | 22,350
| style="background-color:lightgray;" | 19,217
|-
! style="text-align:left" | [[Kane County, Illinois|Kane County]], [[Illinois]]
|507,579
|404,119
|317,471
|278,405
|251,005
|208,246
|150,388
|-
! style="text-align:left" | [[Kendall County, Illinois|Kendall County]], [[Illinois]]
|103,460
|54,544
|39,413
|37,202
| style="background-color:lightgray;" | 26,374
| style="background-color:lightgray;" | 17,540
| style="background-color:lightgray;" | 12,115
|-
! style="text-align:left" | [[Lake County, Illinois|Lake County]], [[Illinois]]
|712,453
|644,356
|516,418
|440,372
|382,638
|293,656
|179,097
|-
! style="text-align:left" | [[McHenry County, Illinois|McHenry County]], [[Illinois]]
|318,641
|260,077
|183,241
|147,897
|111,555
|84,210
| style="background-color:lightgray;" | 50,656
|-
! style="text-align:left" | [[Will County, Illinois|Will County]], [[Illinois]]
|681,097
|502,266
|357,313
|324,460
|249,498
|191,617
|134,336
|-
! style="text-align:left" | '''[[Lake County, Indiana|Lake County]], [[Indiana]]'''
|492,104
|484,564
|475,594
|522,965
|546,253
|513,269
|368,152
|-
! style="text-align:left" | '''[[Porter County, Indiana|Porter County]], [[Indiana]]'''
|160,578
|146,798
|128,932
|119,816
|87,114
|60,279
|40,076
|-
! style="text-align:left" | '''[[LaPorte County, Indiana|LaPorte County]], [[Indiana]]'''
|110,888
|110,106
|107,066
|108,632
|105,342
|95,111
|76,808
|-
! style="text-align:left" | '''[[Kenosha County, Wisconsin|Kenosha County]], [[Wisconsin]]'''
|164,465
|149,577
|128,181
|123,137
|117,917
|100,615
|75,238
|}
As the Chicago metropolitan area has grown, more counties have been partly or totally assimilated with the taking of each decennial census.

==Economy==
[[Image:Vecerne Chicago.jpg|thumb|300px|right|Westward view from the [[Sears Tower]], [[Chicago, IL]], [[USA]]]]
{{main|Economy of Chicago}}
{{See also|List of major companies in the Chicago metropolitan area|Chicagoland chamber of commerce|Economy of Illinois}}

The [[Chicago]] metropolitan area is home to the corporate headquarters of 57 [[Fortune 1000]] companies, including [[Boeing]], [[McDonald's]], [[Motorola]], [[Discover Financial]] Services and [[United Airlines]], representing a diverse group of industries <ref>[http://money.cnn.com/magazines/fortune/fortune500/2008/states/IL.html Fortune 500 2008: States - Illinois<!-- Bot generated title -->]</ref>. The area is a major financial center in North America, and is home to the largest [[futures exchange]] in the United States, the [[CME Group]].

A key piece of infrastructure for several generations was the [[Union Stock Yards]] of Chicago, which from 1865 until 1971 penned and slaughtered millions of cattle and hogs into standardized cuts of [[beef]] and [[pork]].

The Chicago area, meanwhile, began to produce significant quantities of telecommunications gear, electronics, steel, crude oil derivatives, automobiles, and industrial capital goods.

By the early 2000s, Illinois's economy had moved toward a dependence on high-value-added services such as financial trading, [[higher education]], [[logistics]], and health care. In some cases, these services clustered around institutions that hearkened back to Illinois's earlier economies. For example, the Chicago Mercantile Exchange, a trading exchange for global [[derivative (finance)|derivatives]], had begun its life as an agricultural [[futures exchange|futures market]].

In 2007, the area ranked first among U.S. metro areas in the number of new and expanded corporate facilities. <ref>[http://www.siteselection.com/issues/2008/mar/topMetros/ TOP METROS OF 2007 - Site Selection magazine, March 2008<!-- Bot generated title -->]</ref> It ranked third in 2008, behind the [[Houston Metropolitan Area]] and the [[Dallas–Fort Worth Metroplex]]. <ref>[http://www.siteselection.com/issues/2009/mar/top-metros/ TOP METROS OF 2008 - Site Selection magazine, March 2009]</ref>

''[[The Wall Street Journal]]'' summarized the Chicago area's economy in November 2006 with the comment that "Chicago has survived by repeatedly reinventing itself." <ref name>Brat, Ilan, "Tale of a Warehouse", Wall Street Journal, Nov. 8, 2006, page A1.</ref>

==Principal municipalities==
<!-- Deleted image removed: [[File:Chicago Skyline 2009 Perfect2.JPG|thumb|570px|<center>Chicago skyline</center>]] -->
===Over 1,000,000 population===
*[[Chicago]], [[Illinois]] (2,853,114 within the city limits)

====Cities over 100,000 population====
*[[Kenosha, Wisconsin|Kenosha]], [[Wisconsin]]
*[[Aurora, Illinois|Aurora]], [[Illinois]]
*[[Elgin, Illinois|Elgin]], [[Illinois]]
*[[Gary, Indiana|Gary]], [[Indiana]]
*[[Joliet, Illinois|Joliet]], [[Illinois]]
*[[Naperville, Illinois|Naperville]], [[Illinois]]

====Cities over 60,000 population====
*[[Arlington Heights, Illinois|Arlington Heights]], [[Illinois]]
*[[Bolingbrook, Illinois|Bolingbrook]], [[Illinois]]
*[[Cicero, Illinois|Cicero]], [[Illinois]]
*[[Evanston, Illinois|Evanston]], [[Illinois]]
*[[Hammond, Indiana|Hammond]], [[Indiana]]
*[[Palatine, Illinois|Palatine]], [[Illinois]]
*[[Schaumburg, Illinois|Schaumburg]], [[Illinois]]
*[[Skokie, Illinois|Skokie]], [[Illinois]]
*[[Waukegan, Illinois|Waukegan]], [[Illinois]]

==Urban areas within the Chicago CSA==
Within the boundary of the 16-county Chicago Consolidated Statistical Area lies the Chicago urban area, as well as 27 smaller urban areas and clusters. Smallest gap indicates the shortest distance between the given urban area or cluster and the Chicago urban area.

[[Image:Chicagoland Townships grays.PNG|thumb|315px|right|The extent of the 16-county Chicago CSA (in black) and the 16 counties that share a border with the Chicago CSA (in gray), with counties divided into Minor Civil Divisions. In Illinois and Indiana, townships are intermediate between counties and municipalities (with the latter lying within townships and crossing township borders, while in Michigan and Wisconsin, townships are municipal equivalents.]]

<!-- Perhaps population density could be calculated and added to this table? -- Ssbohio -->
{| class="wikitable"
!Rank
!Urban area
!type
!Population<br>(2000 census)
!Land Area<br>(km²)
!Smallest gap<br>(km)
|- align="right"
| align="center" | 1
| align="left" | Chicago-Aurora-Elgin-Joliet-Waukegan, IL-IN
| align="center" | UA
|8,307,904
|5,498.1
|n/a
|- align="right"
| align="center" | 2
| align="left" | Round Lake Beach-McHenry-Grayslake, IL-WI^ †
| align="center" | UA
|226,848
|344.9
|2
|- align="right"
| align="center" | 3
| align="left" | Kenosha, WI †
| align="center" | UA
|110,942
|109.2
|1
|- align="right"
| align="center" | 4
| align="left" | Michigan City-LaPorte, IN-MI^^ †
| align="center" | UA
|66,199
|86.1
|3
|- align="right"
| align="center" | 5
| align="left" | Kankakee-Bradley-Bourbonnais, IL
| align="center" | UA
|65,073
|71.5
|>10
|- align="right"
| align="center" | 6
| align="left" | DeKalb-Sycamore, IL
| align="center" | UA
|55,805
|46.3
|>10
|- align="right"
| align="center" | 7
| align="left" | Woodstock, IL †
| align="center" | UC
|20,219
|21.1
|4
|- align="right"
| align="center" | 8
| align="left" | Morris, IL
| align="center" | UC
|13,927
|19.3
|>10
|- align="right"
| align="center" | 9
| align="left" | Sandwich, IL^^^
| align="center" | UC
|12,248
|23.9
|>10
|- align="right"
| align="center" | 10
| align="left" | Braidwood-Coal City, IL
| align="center" | UC
|11,607
|19.5
|>10
|- align="right"
| align="center" | 11
| align="left" | Harvard, IL
| align="center" | UC
|8,575
|13.3
|>10
|- align="right"
| align="center" | 12
| align="left" | Lakes of the Four Seasons, IN †
| align="center" | UC
|8,450
|12.5
|4
|- align="right"
| align="center" | 13
| align="left" | Lowell, IN
| align="center" | UC
|7,914
|15.8
|>10
|- align="right"
| align="center" | 14
| align="left" | Wilmington, IL
| align="center" | UC
|7,107
|20.8
|>10
|- align="right"
| align="center" | 15
| align="left" | Manteno, IL
| align="center" | UC
|7,106
|9.4
|>10
|- align="right"
| align="center" | 16
| align="left" | Marengo, IL
| align="center" | UC
|6,854
|8.6
|>10
|- align="right"
| align="center" | 17
| align="left" | Rensselaer, IN
| align="center" | UC
|6,096
|10.9
|>10
|- align="right"
| align="center" | 18
| align="left" | Plano, IL †
| align="center" | UC
|5,911
|6.5
|3
|- align="right"
| align="center" | 19
| align="left" | Genoa, IL
| align="center" | UC
|5,137
|5.5
|>10
|- align="right"
| align="center" | 20
| align="left" | Genoa City, WI-IL^^^^ †
| align="center" | UC
|5,126
|12.5
|>10
|- align="right"
| align="center" | 21
| align="left" | Westville, IN
| align="center" | UC
|5,077
|4.4
|>10
|- align="right"
| align="center" | 22
| align="left" | Hebron, IN
| align="center" | UC
|4,150
|11.7
|>10
|- align="right"
| align="center" | 23
| align="left" | Momence, IL
| align="center" | UC
|3,711
|9.7
|>10
|- align="right"
| align="center" | 24
| align="left" | Peotone, IL †
| align="center" | UC
|3,358
|3.5
|9
|- align="right"
| align="center" | 25
| align="left" | Wonder Lake, IL †
| align="center" | UC
|2,798
|2.0
|5
|- align="right"
| align="center" | 26
| align="left" | Monee, IL †
| align="center" | UC
|2,787
|3.7
|3
|- align="right"
| align="center" | 27
| align="left" | Union Township, IN †
| align="center" | UC
|2,593
|4.9
|1
|- align="right"
| align="center" | 28
| align="left" | Hampshire, IL †
| align="center" | UC
|2,591
|2.0
|6
|}

The formerly distinct urban areas of Aurora, Elgin, Joliet, and Waukegan were absorbed into the Chicago UA as of the 2000 census.

† These urban areas and urban clusters are expected to be joined to the Chicago Urban Area by the next census in 2010.

^ The Round Lake Beach-McHenry-Grayslake, IL-WI UA extends into Walworth County, WI, which lies (for the moment) outside the Chicago CSA.

^^ The Michigan City-LaPorte, IN-MI UA extends into Berrien County, MI, which lies (for the moment) outside the Chicago CSA.

^^^ The Sandwich, IL UC extends into LaSalle County, IL, which lies (for the moment) outside the Chicago CSA.

^^^^ The Genoa City, WI-IL UC extends into Walworth County, WI, which lies (for the moment) outside the Chicago CSA.

==Transportation==
===Major airports===
*[[O'Hare International Airport|Chicago O'Hare International Airport]] (ORD)
*[[Chicago Midway International Airport]] (MDW)
*[[Gary-Chicago International Airport]] (GYY)

===Subway and Commuter rail===
*[[Chicago Transit Authority]] trains, locally referred to as [[Chicago 'L'|"the L"]], (after "elevated train") serving Chicago and the near suburbs
*Northeast Illinois Regional Commuter Railroad Corporation, also known as [[Metra]]:
**4 lines serving southern Cook County and Will County
**3 lines serving western Cook County, DuPage County, and Kane County
**1 line serving northwestern Cook County and McHenry County
**3 lines serving northern Cook County and Lake County, with 1 line extending to [[Kenosha, Wisconsin]]
*[[South Shore Line (NICTD)|South Shore Line]] shares the Metra electric lines and connects Chicago to [[Gary, Indiana|Gary]], [[Michigan City, Indiana|Michigan City]], ending at [[South Bend, Indiana]].

===Major highways===
*[[Interstate 90]], [[Interstate 290 (Illinois)|Interstate 290]], [[Interstate 94]], [[Interstate 294]], [[Interstate 88 (west)|Interstate 88]], [[Interstate 65]], [[Interstate 55]], [[Interstate 355]], [[Interstate 57]], [[Interstate 80]]

===Major corridors===
In addition to the [[Chicago Loop]], the metro area is home to a few important subregional corridors of commercial activities. Among them are:
*[[Illinois Technology and Research Corridor]], along the [[Interstate 88 (west)|Ronald Reagan Memorial Tollway]] ([[Interstate 88 (west)|Interstate 88]])
*[[Golden Corridor]], along the [[Jane Addams Memorial Tollway]] ([[Interstate 90]])

==[[North American Numbering Plan|Area codes]]==
{{main|List of Illinois area codes}}

From 1947 until 1988, the Illinois portion of the Chicago metro area was served by a single area code, 312, which abutted the 815 area code. In 1988 the 708 area code was introduced and the 312 area code became exclusive to the city of Chicago.

It became common to call suburbanites "708'ers", in reference to their area code.

The 708 area code was partitioned in 1996 into three area codes, serving different portions of the metro area: 630, 708, and 847.

At the same time that the 708 area code was in trouble, the 312 area code in Chicago was also exhausting its supply of available numbers. As a result, the city of Chicago was divided into two area codes, 312 and 773. Rather than divide the city by a north/south area code, the central business district retained the 312 area code, while the remainder of the city took the new 773 code.

In 2002, the 847 area code was supplemented with the overlay area code 224. In February 2007, the 815 area code (serving outlying portions of the metro area) was supplemented with the overlay area code 779. In October 2007, the overlay area code 331 was implemented to supplement the 630 area with additional numbers.

Plans are in place for overlay codes in the 708, 773, and 312 regions as those area codes become exhausted in the future.
*[[Area code 312|312]] Chicago - City (The [[Chicago Loop|Loop]] and central neighborhoods, e.g. the Near North Side)
*[[Area code 773|773]] Chicago - City (Everywhere else within the city limits, excluding central area)
*[[Area code 872|872]] Chicago - City (overlay for 312 & 773, effective November 7, 2009)
*[[Area codes 847 and 224|847/224]] (North and Northwest Suburbs)
*[[Area codes 630 and 331|630/331]] (Outer Western Suburbs)
*[[Area code 708|708]] (South and Near West Suburbs)
*[[Area codes 815 and 779|815/779]] (Far Northwest/Southwest Suburbs; Joliet)
*[[Area code 219|219]] (Northwest Indiana)
*[[Area code 574|574]] (North-central Indiana)
*[[Area code 262|262]] (Southeast Wisconsin surrounding [[Milwaukee County, Wisconsin|Milwaukee County]])

===Proposed overlay area codes===
* 464 overlay for 708 (no effective date)

==See also==
{{portal|Chicago|Chicago city seal.png}}
* [[United States metropolitan area]]
* [[Table of United States Metropolitan Statistical Areas]]
* [[Los Angeles Metropolitan Area]]
* [[New York Metropolitan Area]]

==References==
<references/>

==External links==
*[http://www2.census.gov/geo/maps/urbanarea/uaoutline/UA2000/ua16264/ua16264_00.pdf US Census' Urbanized Area Outline Map (2000)]
*[http://www.census.gov/econ/census02/maps/metro/33000us176m.pdf Chicago-Naperville-Michigan City, IL-IN-WI Combined Statistical Area (2003) map]
*[http://quickfacts.census.gov/qfd/ U.S. Census Bureau State & County QuickFacts]
*[http://www.census.gov/popest/estimates.php U.S. Census Bureau population estimates]
*[http://www.cookcojail.com Cook County Jail]
*[http://www.census.gov/population/www/estimates/metroarea.html Metropolitan and Micropolitan Statistical Areas]
*[http://www.census.gov/population/www/estimates/aboutmetro.html About Metropolitan and Micropolitan Statistical Areas]
*[http://www.census.gov/population/www/estimates/pastmetro.html Historical Metropolitan Area Definitions]
*[http://www.nwburbs.net/ Northwest and Western Suburbs' Community Message Board]

{{Chicagoland}}
{{Chicago}}
{{Illinois}}
{{Indiana}}
{{Wisconsin}}
{{Michigan}}
{{USLargestMetros}}
{{coord|41|54|N|87|39|W|source:hewiki_region:US_type:city|display=title}}

[[Category:Chicago, Illinois| ]]
[[Category:Chicago metropolitan area|*]]
[[Category:Regions of Illinois]]

[[cs:Metropolitní oblast Chicaga]]
[[de:Metropolregion Chicago]]
[[fr:Chicago metropolitan area]]
[[it:Chicagoland]]
[[he:המטרופולין של שיקגו]]
[[vi:Vùng đô thị Chicago]]

Revision as of 04:04, 5 February 2010

Waaahaahaahaahaa!!! (Temper tantrum) I can't take Chicagoland anymore!!! Why did it have to be Shitcacaland?!! Why not Miami or Atlanta?!! Why not New York, Charleston, Houston, Nashville, memphis, milwaukee, phoenix, or brownsville?!! Chicagoland is prison, and all the lonely folks agree that this is terrible, this is the worst of the worst catastrophies in the world! Oh, the humanity and all the lonely guys out there who can never ever get a date in this burned out bird!