Office of Planning, Environment, & Realty (HEP)
Planning • Environment • Real Estate
| STATE | COUNTY | 5/'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 | 5,303,683 | Sev | md | 1.1 | 5,834,051 | ||||
| DuPage | 929,113 | Sev | md | 1.1 | 1,022,024 | ||||
| Grundy | 43,838 | Sev | md | 1.1 | 48,222 | ||||
| Kane | 482,113 | Sev | md | 1.1 | 530,324 | ||||
| Kendall | 79,514 | Sev | md | 1.1 | 87,465 | ||||
| Lake | 702,682 | Sev | md | 1.1 | 772,950 | ||||
| McHenry | 303,990 | Sev | md | 1.1 | 334,389 | ||||
| Will | 642,813 | Sev | md | 1.1 | 707,094 | ||||
| Dekalb | 97,665 | ||||||||
| Kankakee | 107,972 | ||||||||
| St. Louis, MO-IL | |||||||||
| Madison | 264,309 | Mnt | md | 1.1 | 290,740 | ||||
| Monroe | 31,040 | Mnt | md | 1.1 | 34,144 | ||||
| St. Clair | 260,067 | Mnt | md | 1.1 | 286,074 | ||||
| Clinton | 36,095 | ||||||||
| Randolph | 33,122 | 0 | |||||||
| Jersey Co. | |||||||||
| St. Louis, MO-IL | Jersey Co | 22,456 | Mnt | md | 1.1 | 24,702 | |||