------------------------------------------------------------------------------------------------------------------------- Chicago-Northeastern Indiana, IL-IN ------------------------------------------------------------------------------------------------------------------------- 1950-1959: Chicago, IL-IN SMA 1959-1983: Chicago-Northestern Indiana, IL-IN SCSA 1983-1992: Chicago-Gary-Lake County, IL-IN-WI CMSA 1992-2003: Chicago-Gary-Kenosha, IL-IN-WI CMSA 2003-2006: Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Subareas Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 Subarea | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Aurora-Elgin, IL ********* Chicago, IL ************************************************ Gary, IN ************************************************ Joliet, IL ********* Kankakee-Bradley, IL '''''''''''''''''***********'''' Kenosha, WI '''''''''''''''''''''''''''''''''******************** Lake County-Kenosha County, IL ********* **** ---------------------------------------------------------------------------------------- Population History ------------------------------------------------------------------------------------------------------------------------- Component 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Cook County, IL 4,508,792* 5,129,725* 5,492,369* 5,253,655* 5,105,067* 5,376,741* 5,303,943* DuPage County, IL 154,599* 313,459* 491,882* 658,835* 781,666* 904,161* 931,219* Kane County, IL 150,388* 208,246* 251,005* 278,405* 317,471* 404,119* 483,208* Lake County, IL 179,097* 293,656* 382,638* 440,372* 516,418* 644,356* 704,086* Will County, IL 134,336* 191,617* 249,498* 324,460* 357,313* 502,266* 642,625* Lake County, IN 368,152* 513,269* 546,253* 522,965* 475,594* 484,564* 491,706* Kendall County, IL 12,115 17,540 26,374 37,202 39,413* 54,544* 79,597* DeKalb County, IL 40,781 51,714 71,654 74,624 77,932 88,969* 97,770* Grundy County, IL 19,217 22,350 26,535 30,582 32,337* 37,535* 43,736* McHenry County, IL 50,656 84,210* 111,555* 147,897* 183,241* 260,077* 304,701* Jasper County, IN 17,031 18,842 20,429 26,138 24,960 30,043 31,761* Newton County, IN 11,006 11,502 11,606 14,844 13,551 14,566 14,423* Porter County, IN 40,076 60,279* 87,114* 119,816* 128,932* 146,798* 157,408* Kankakee County, IL 73,524 92,063 97,250 102,926 96,255 103,833* 107,824 Kenosha County, WI 75,238 100,615 117,917 123,137 128,181* 149,577* 160,382* ------------------------------------------------------------------------------------------------------------------------- Total 5,495,364 6,794,461 7,612,314 7,746,405 8,065,633 9,157,540 9,446,565 Percent Change - 23.6% 12.0% 1.8% 4.1% 13.5% 3.2% ------------------------------------------------------------------------------------------------------------------------- Total (as currently defined) 5,761,484 7,017,024 7,886,829 8,052,932 8,182,076 9,098,316 9,446,565 Percent Change - 21.8% 12.4% 2.1% 1.6% 11.2% 3.8% ------------------------------------------------------------------------------------------------------------------------- Component Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 Component | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Cook County, IL ********************************************************* DuPage County, IL ********************************************************* Kane County, IL ********************************************************* Lake County, IL ********************************************************* Will County, IL ********************************************************* Lake County, IN ********************************************************* Kendall County, IL ************************ DeKalb County, IL *************** Grundy County, IL ************************ McHenry County, IL ************************************************ Jasper County, IN **** Newton County, IN **** Porter County, IN ************************************************ Kankakee County, IL '''''''''''''''''***********'''' Kenosha County, WI '''''''''''''''''''''''''''''''''************************ ---------------------------------------------------------------------------------------- Population History ------------------------------------------------------------------------------------------------------------------------- City 1950 1960 1970 1980 1990 2000 2005 ------------------------------------------------------------------------------------------------------------------------- Chicago, IL 3,620,962* 3,550,404* 3,366,957* 3,005,072* 2,783,726* 2,896,016* 2,842,518* Aurora, IL 50,576 63,715 74,182 81,293 99,581* 142,990* 168,181 Elgin, IL 44,223 49,447 55,691 63,798 77,010* 94,487* 98,645* Chicago Heights, IL 24,551 34,331 40,900 37,026 33,072* 32,776 31,373 Evanston, IL 73,641 79,283 79,808 73,706 73,233* 74,239* 75,236* DeKalb, IL 0 0 0 0 0 39,018* 42,085 Joliet, IL 51,601 66,780 80,378 77,956 76,836* 106,221* 136,208* North Chicago, IL 8,628 22,938 47,275 38,774 34,978* 35,918* 33,376 Arlington Heights, IL 8,768 27,878 65,058 66,116 75,460 76,031 74,620* Des Plaines, IL 14,994 34,886 57,239 53,568 53,223 58,720 56,551* Naperville, IL 7,013 12,933 23,885 42,330 85,351 128,358 141,579* Schaumburg, IL 0 986 18,730 53,305 68,586 75,386 72,805* Skokie, IL 14,832 59,364 68,322 60,278 59,432 63,348 64,678* East Chicago, IN 54,263 57,669* 46,982* 39,786* 33,892* 32,414* 30,946 Gary, IN 133,911 178,320* 175,415* 151,953* 116,646* 102,746* 98,715* Hammond, IN 87,594 111,698* 107,790* 93,714* 84,236* 83,048 79,217 Kankakee, IL 0 0 0 0 0 27,491* 0 Bradley, IL 0 0 0 0 0 12,784 0 Kenosha, WI 0 0 0 0 80,352* 90,352* 95,240 Waukegan, IL 38,946 55,719 65,269 67,653 69,392* 87,901 91,396 Total 3,620,962 4,245,778 4,027,331 3,575,978 3,944,108 3,951,355 3,838,429 Metro 5,495,364 6,794,461 7,612,314 7,746,405 8,065,633 9,157,540 9,446,565 Percent 65.9% 62.5% 52.9% 46.2% 48.9% 43.1% 40.6% Principal/Central City Change Timeline ---------------------------------------------------------------------------------------- 1950 1960 1970 1980 1990 2000 City | | | | | | | | | | | | ---------------------------------------------------------------------------------------- Chicago, IL ********************************************************* Aurora, IL ********* ********** Elgin, IL ********* ************** Chicago Heights, IL ********* Evanston, IL ************************ DeKalb, IL *********** Joliet, IL ************************ North Chicago, IL ******************** Arlington Heights, IL **** Des Plaines, IL **** Naperville, IL **** Schaumburg, IL **** Skokie, IL **** East Chicago, IN ******************************************** Gary, IN ************************************************ Hammond, IN ********************************* Kankakee, IL *********** Bradley, IL Kenosha, WI ******************** Waukegan, IL ********* ---------------------------------------------------------------------------------------- Component Change History ------------------------------------------------------------------------------------------------------------------------- Apr 1950 New SMA: Chicago, IL-IN SMA Cook County, IL included as original SMA component DuPage County, IL included as original SMA component Kane County, IL included as original SMA component Lake County, IL included as original SMA component Will County, IL included as original SMA component Lake County, IN included as original SMA component Chicago, IL designated as original central city of new SMA New SMA: Kenosha, WI SMA Kenosha County, WI included as original component of Kenosha, WI SMA Kenosha, WI designated as original central city of new Kenosha, WI SMA Jun 1959 Title of Chicago, IL-IN SMA changed to Chicago-Northestern Indiana, IL-IN SCSA (The Chicago, IL SMA was divided into two SMSAs.) New SMSA: Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Cook County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA DuPage County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Kane County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Lake County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA McHenry County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Will County, IL included as original component of Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Chicago, IL transferred to Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA, designated as original central city of new SMSA New SMSA: Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA Lake County, IN included as original component of Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA Porter County, IN included as original component of Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA East Chicago, IN designated as original central city of new Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA Gary, IN designated as original central city of new Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA Hammond, IN designated as original central city of new Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA Apr 1975 New SMSA: Kankakee, IL SMSA Kankakee County, IL included as original component of Kankakee, IL SMSA Kankakee, IL designated as original central city of new Kankakee, IL SMSA Jun 1983 Title of Chicago-Northestern Indiana, IL-IN SCSA changed to Chicago-Gary-Lake County, IL-IN-WI CMSA New PMSA: Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Kane County, IL included as original component of Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA, transferred from Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Kendall County, IL included as original component of Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Aurora, IL designated as original central city of new Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Elgin, IL designated as original central city of new Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA became Chicago, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Chicago Heights, IL designated as central city of Chicago, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Evanston, IL designated as central city of Chicago, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Title of Gary-Hammond-East Chicago, IN SMSA in Chicago-Northestern Indiana, IL-IN SCSA changed to Gary-Hammond, IN PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA New PMSA: Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Grundy County, IL included as original component of Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Will County, IL included as original component of Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA, transferred from Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA Joliet, IL designated as original central city of new Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Kenosha, WI SMSA became Kenosha, WI PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA New PMSA: Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Lake County, IL included as original component of Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA, transferred from Chicago, IL SMSA in Chicago-Northestern Indiana, IL-IN SCSA North Chicago, IL designated as original central city of new Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Waukegan, IL designated as original central city of new Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Dec 1992 Title of Chicago-Gary-Lake County, IL-IN-WI CMSA changed to Chicago-Gary-Kenosha, IL-IN-WI CMSA Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA abolished DeKalb County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Grundy County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA, transferred from Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Kane County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA, transferred from Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Kendall County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA, transferred from Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Lake County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA, transferred from Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Will County, IL added to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA, transferred from Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA DeKalb, IL designated as central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Joliet, IL transferred from Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA and was designated as central city of PMSA North Chicago, IL transferred from Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA to Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA and was designated as central city of PMSA Title of Gary-Hammond, IN PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA changed to Gary, IN PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Joliet, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA abolished Kankakee, IL MSA became Kankakee, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA abolished Aurora, IL no longer designated as central city of Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Chicago Heights, IL no longer designated as central city of Chicago, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Elgin, IL no longer designated as central city of Aurora-Elgin, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Waukegan, IL no longer designated as central city of Lake County, IL PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Hammond, IN no longer designated as central city of Gary-Hammond, IN PMSA in Chicago-Gary-Lake County, IL-IN-WI CMSA Jun 1993 Aurora, IL designated as central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Elgin, IL designated as central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Jun 2003 Title of Chicago-Gary-Kenosha, IL-IN-WI CMSA changed to Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Kankakee, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA became Kankakee-Bradley, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Bradley, IL designated as principal city of Kankakee-Bradley, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Kenosha, WI PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA abolished Kenosha, WI no longer designated as principal/central city of Kenosha, WI PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Title of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA changed to Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Arlington Heights, IL designated as principal city of Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Des Plaines, IL designated as principal city of Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Naperville, IL designated as principal city of Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Schaumburg, IL designated as principal city of Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Skokie, IL designated as principal city of Chicago-Naperville-Joliet, IL Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Gary, IN PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA became Gary, IN Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Jasper County, IN added to Gary, IN Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Newton County, IN added to Gary, IN Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Metro Division reestablished: Lake County-Kenosha County, IL-WI Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA Lake County, IL included as original component of reestablished Lake County-Kenosha County, IL-WI Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA, transferred from Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Kenosha County, WI included as original component of reestablished Lake County-Kenosha County, IL-WI Metro Division in Chicago-Naperville-Joliet, IL Metro Area in Chicago-Naperville-Michigan City, IL-IN-WI CSA, transferred from Kenosha, WI PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA Aurora, IL no longer designated as principal/central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA DeKalb, IL no longer designated as principal/central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA North Chicago, IL no longer designated as principal/central city of Chicago, IL PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA East Chicago, IN no longer designated as principal/central city of Gary, IN PMSA in Chicago-Gary-Kenosha, IL-IN-WI CMSA -------------------------------------------------------------------------------------------------------------------------