Ill. Admin. Code tit. 89, pt. 140, subpt. L, tbl. J
These geographic regions, comprised of counties, are used in various rate methodologies and are defined as follows:
Region 1 - Northwestern | ||||
Illinois Counties: | ||||
Boone | Bureau | Carroll | DeKalb | Fulton |
Henderson | Henry | JoDaviess | Knox | LaSalle |
Lee | Marshall | Mercer | Ogle | Peoria |
Putnam | Rock Island | Stark | Stephenson | Tazewell |
Warren | Whiteside | Winnebago | Woodford | |
Out-of-State Counties: | ||||
Des Moines IA | Clinton IA | Dubuque IA | Johnson IA | Scott IA |
Dane WI | Green WI | Rock WI | Grant WI | LaFayette WI |
Jackson IA | Muscatine IA | Louisa IA | ||
Region 2 - Central | ||||
Illinois Counties: | ||||
Adams | Brown | Calhoun | Cass | Champaign |
Christian | Clark | Coles | Cumberland | DeWitt |
Douglas | Edgar | Ford | Greene | Hancock |
| I roquois | Jersey | Livingston | Logan | Macon |
Macoupin | Mason | McDonough | McLean | Menard |
Montgomery | Morgan | Moultrie | Piatt | Pike |
Sangamon | Schuyler | Scott | Shelby | Vermilion |
Out-of-State Counties: | ||||
Marion IN | Vigo IN | Marion MO | Clark MO | Lewis MO |
Ralls MO | Pike MO | Lincoln MO | Newton IN | Benton IN |
Warren IN | Vermillion IN | |||
Region 3 - Southern | ||||
Illinois Counties: | ||||
Alexander | Bond | Clay | Clinton | Crawford |
Edwards | Effingham | Fayette | Franklin | Gallatin |
Hamilton | Hardin | Jackson | Jasper | Jefferson |
Johnson | Lawrence | Madison | Marion | Massac |
Monroe | Perry | Pope | Pulaski | Randolph |
Richland | St. Clair | Saline | Union | Wabash |
Washington | Wayne | White | Williamson | |
Out-of-State Counties: | ||||
Vanderburgh IN | McCracken KY | Cape Girardeau MO | ||
St. Louis MO | City of St. Louis MO | St. Charles MO | Jefferson MO | |
Gibson IN | Ste. Genevieve MO | Perry MO | Scott MO | |
Mississippi MO | Posey KY | Livingston KY | Crittenden KY | |
Union KY | Sullivan IN | Knox IN | ||
Region 4 - Cook County | ||||
Cook | ||||
Region 5 - Collar Counties | ||||
Illinois Counties: | ||||
DuPage | Grundy | Kane | Kankakee | Kendall |
Lake | McHenry | Will | ||
Out-of-State Counties: | ||||
Milwaukee County WI | Walworth WI | Kenosha WI | Lake IN | |
Ill. Admin. Code tit. 89, pt. 140, subpt. L, tbl. J