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Nonattainment & Maintenance Area Populations by State and County FY 2007

Illinois

STATECOUNTY5/'06
2005.7.01
POP.
1-Hr O3
Class
O3
WT
CO
Class
CO
WT
8-hr
Class
8-hr
WT
POPULATION
FINAL WTED
ILLINOIS  9,340,472        9,972,180
Chicago-Gary-Lake County        
 Cook 5,303,683Sev   md1.1 5,834,051
 DuPage 929,113Sev   md1.1 1,022,024
 Grundy 43,838Sev   md1.1 48,222
 Kane 482,113Sev   md1.1 530,324
 Kendall 79,514Sev   md1.1 87,465
 Lake 702,682Sev   md1.1 772,950
 McHenry 303,990Sev   md1.1 334,389
 Will 642,813Sev   md1.1 707,094
 Dekalb 97,665       
 Kankakee 107,972       
St. Louis, MO-IL        
 Madison 264,309Mnt   md1.1 290,740
 Monroe 31,040Mnt   md1.1 34,144
 St. Clair 260,067Mnt   md1.1 286,074
 Clinton 36,095       
 Randolph 33,122       0
Jersey Co.         
St. Louis, MO-ILJersey Co 22,456Mnt   md1.1 24,702
AKALARAZCACOCTDCDEFLGAHIIAIDILINKSKYLAMAMDMEMIMNMOMSMTNC
NDNENHNJNMNVNYOHOKORPAPRRISCSDTNTXUTVAVTWAWIWVWY
Updated: 07/06/2011
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