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Nonattainment & Maintenance Area Populations by State and County FY 2008

Illinois

STATECOUNTY2006.7.01
POP.
1-Hr O3
Class
O3
WT
CO
Class
CO
WT
8-hr
Class
8-hr
WT
POPULATION
FINAL WTED
ILLINOIS  9,402,328        10,035,782
Chicago-Gary-Lake County        
 Cook 5,288,655Sev   md1.1 5,817,521
 DuPage 932,670Sev   md1.1 1,025,937
 Grundy 45,828Sev   md1.1 50,411
 Kane 493,735Sev   md1.1 543,109
 Kendall 88,158Sev   md1.1 96,974
 Lake 713,076Sev   md1.1 784,384
 McHenry 312,373Sev   md1.1 343,610
 Will 668,217Sev   md1.1 735,039
 Dekalb 100,139       
 Kankakee 109,090       
St. Louis, MO-IL        
 Madison 265,303Mnt   md1.1 291,833
 Monroe 31,876Mnt   md1.1 35,064
 St. Clair 260,919Mnt   md1.1 287,011
 Clinton 36,633       
 Randolph 33,028       0
Jersey Co.         
St. Louis, MO-ILJersey Co 22,628Mnt   md1.1 24,891
AKALARAZCACOCTDCDEFLGAHIIAIDILINKSKYLAMAMDMEMIMNMOMSMTNC
NDNENHNJNMNVNYOHOKORPAPRRISCSDTNTXUTVAVTWAWIWVWY
Updated: 07/06/2011
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