County Name |
# of Members |
Adams County
Adams County
|
17,580 |
Alexander County
Alexander County
|
963 |
Bond County
Bond County
|
4,847 |
Boone County
Boone County
|
10,713 |
Brown County
Brown County
|
479 |
Bureau County
Bureau County
|
6,779 |
Calhoun County
Calhoun County
|
1,189 |
Carroll County
Carroll County
|
6,923 |
Cass County
Cass County
|
2,691 |
Champaign County
Champaign County
|
60,625 |
Christian County
Christian County
|
17,866 |
Clark County
Clark County
|
2,064 |
Clay County
Clay County
|
1,842 |
Clinton County
Clinton County
|
14,967 |
Coles County
Coles County
|
11,244 |
Cook County
Cook County
|
663,508 |
Crawford County
Crawford County
|
2,459 |
Cumberland County
Cumberland County
|
1,875 |
DeKalb County
DeKalb County
|
20,044 |
De Witt County
De Witt County
|
5,378 |
Douglas County
Douglas County
|
3,816 |
DuPage County
DuPage County
|
133,081 |
Edgar County
Edgar County
|
2,783 |
Edwards County
Edwards County
|
1,248 |
Effingham County
Effingham County
|
6,133 |
Fayette County
Fayette County
|
5,497 |
Ford County
Ford County
|
3,216 |
Franklin County
Franklin County
|
10,084 |
Fulton County
Fulton County
|
13,182 |
Gallatin County
Gallatin County
|
1,464 |
Greene County
Greene County
|
3,211 |
Grundy County
Grundy County
|
14,322 |
Hamilton County
Hamilton County
|
1,996 |
Hancock County
Hancock County
|
2,537 |
Hardin County
Hardin County
|
823 |
Henderson County
Henderson County
|
1,124 |
Henry County
Henry County
|
25,536 |
Iroquois County
Iroquois County
|
4,960 |
Jackson County
Jackson County
|
21,027 |
Jasper County
Jasper County
|
1,163 |
Jefferson County
Jefferson County
|
12,693 |
Jersey County
Jersey County
|
11,238 |
Jo Daviess County
Jo Daviess County
|
10,316 |
Johnson County
Johnson County
|
4,355 |
Kane County
Kane County
|
82,546 |
Kankakee County
Kankakee County
|
37,226 |
Kendall County
Kendall County
|
26,197 |
Knox County
Knox County
|
19,833 |
Lake County
Lake County
|
200,780 |
LaSalle County
LaSalle County
|
54,328 |
Lawrence County
Lawrence County
|
5,280 |
Lee County
Lee County
|
9,511 |
Livingston County
Livingston County
|
14,857 |
Logan County
Logan County
|
13,789 |
McDonough County
McDonough County
|
8,833 |
McHenry County
McHenry County
|
60,938 |
McLean County
McLean County
|
87,242 |
Macon County
Macon County
|
74,225 |
Macoupin County
Macoupin County
|
16,328 |
Madison County
Madison County
|
157,717 |
Marion County
Marion County
|
14,592 |
Marshall County
Marshall County
|
4,768 |
Mason County
Mason County
|
4,374 |
Massac County
Massac County
|
4,694 |
Menard County
Menard County
|
4,071 |
Mercer County
Mercer County
|
8,388 |
Monroe County
Monroe County
|
15,080 |
Montgomery County
Montgomery County
|
10,122 |
Morgan County
Morgan County
|
6,018 |
Moultrie County
Moultrie County
|
4,252 |
Ogle County
Ogle County
|
13,640 |
Peoria County
Peoria County
|
96,187 |
Perry County
Perry County
|
5,231 |
Piatt County
Piatt County
|
5,557 |
Pike County
Pike County
|
1,743 |
Pope County
Pope County
|
1,142 |
Pulaski County
Pulaski County
|
1,258 |
Putnam County
Putnam County
|
1,497 |
Randolph County
Randolph County
|
7,046 |
Richland County
Richland County
|
2,056 |
Rock Island County
Rock Island County
|
104,507 |
St. Clair County
St. Clair County
|
139,782 |
Saline County
Saline County
|
6,824 |
Sangamon County
Sangamon County
|
82,257 |
Schuyler County
Schuyler County
|
960 |
Scott County
Scott County
|
760 |
Shelby County
Shelby County
|
5,485 |
Stark County
Stark County
|
1,606 |
Stephenson County
Stephenson County
|
12,216 |
Tazewell County
Tazewell County
|
75,317 |
Union County
Union County
|
4,020 |
Vermilion County
Vermilion County
|
34,590 |
Wabash County
Wabash County
|
3,501 |
Warren County
Warren County
|
3,940 |
Washington County
Washington County
|
4,913 |
Wayne County
Wayne County
|
2,557 |
White County
White County
|
3,452 |
Whiteside County
Whiteside County
|
26,889 |
Will County
Will County
|
95,664 |
Williamson County
Williamson County
|
25,250 |
Winnebago County
Winnebago County
|
72,547 |
Woodford County
Woodford County
|
19,091 |
|
2,957,315 |