| County Name |
# of Members |
|
Adams County
Adams County
|
18,080 |
|
Alexander County
Alexander County
|
1,142 |
|
Bond County
Bond County
|
6,689 |
|
Boone County
Boone County
|
11,640 |
|
Brown County
Brown County
|
579 |
|
Bureau County
Bureau County
|
7,141 |
|
Calhoun County
Calhoun County
|
1,207 |
|
Carroll County
Carroll County
|
6,622 |
|
Cass County
Cass County
|
3,008 |
|
Champaign County
Champaign County
|
67,128 |
|
Christian County
Christian County
|
18,799 |
|
Clark County
Clark County
|
2,345 |
|
Clay County
Clay County
|
2,224 |
|
Clinton County
Clinton County
|
22,083 |
|
Coles County
Coles County
|
12,239 |
|
Cook County
Cook County
|
794,255 |
|
Crawford County
Crawford County
|
2,687 |
|
Cumberland County
Cumberland County
|
2,052 |
|
DeKalb County
DeKalb County
|
29,271 |
|
De Witt County
De Witt County
|
5,807 |
|
Douglas County
Douglas County
|
4,483 |
|
DuPage County
DuPage County
|
147,206 |
|
Edgar County
Edgar County
|
3,209 |
|
Edwards County
Edwards County
|
1,376 |
|
Effingham County
Effingham County
|
6,935 |
|
Fayette County
Fayette County
|
6,193 |
|
Ford County
Ford County
|
3,823 |
|
Franklin County
Franklin County
|
12,237 |
|
Fulton County
Fulton County
|
12,717 |
|
Gallatin County
Gallatin County
|
1,637 |
|
Greene County
Greene County
|
3,442 |
|
Grundy County
Grundy County
|
15,219 |
|
Hamilton County
Hamilton County
|
2,319 |
|
Hancock County
Hancock County
|
2,500 |
|
Hardin County
Hardin County
|
954 |
|
Henderson County
Henderson County
|
1,093 |
|
Henry County
Henry County
|
26,073 |
|
Iroquois County
Iroquois County
|
5,611 |
|
Jackson County
Jackson County
|
23,230 |
|
Jasper County
Jasper County
|
1,341 |
|
Jefferson County
Jefferson County
|
14,664 |
|
Jersey County
Jersey County
|
11,868 |
|
Jo Daviess County
Jo Daviess County
|
10,410 |
|
Johnson County
Johnson County
|
4,860 |
|
Kane County
Kane County
|
90,289 |
|
Kankakee County
Kankakee County
|
38,378 |
|
Kendall County
Kendall County
|
29,245 |
|
Knox County
Knox County
|
19,202 |
|
Lake County
Lake County
|
220,596 |
|
LaSalle County
LaSalle County
|
56,421 |
|
Lawrence County
Lawrence County
|
5,491 |
|
Lee County
Lee County
|
9,597 |
|
Livingston County
Livingston County
|
15,616 |
|
Logan County
Logan County
|
13,387 |
|
McDonough County
McDonough County
|
7,009 |
|
McHenry County
McHenry County
|
70,663 |
|
McLean County
McLean County
|
87,701 |
|
Macon County
Macon County
|
74,441 |
|
Macoupin County
Macoupin County
|
18,747 |
|
Madison County
Madison County
|
195,229 |
|
Marion County
Marion County
|
16,929 |
|
Marshall County
Marshall County
|
4,747 |
|
Mason County
Mason County
|
4,481 |
|
Massac County
Massac County
|
4,996 |
|
Menard County
Menard County
|
4,237 |
|
Mercer County
Mercer County
|
8,477 |
|
Monroe County
Monroe County
|
22,253 |
|
Montgomery County
Montgomery County
|
11,280 |
|
Morgan County
Morgan County
|
6,702 |
|
Moultrie County
Moultrie County
|
4,552 |
|
Ogle County
Ogle County
|
14,855 |
|
Peoria County
Peoria County
|
88,655 |
|
Perry County
Perry County
|
6,506 |
|
Piatt County
Piatt County
|
6,069 |
|
Pike County
Pike County
|
2,011 |
|
Pope County
Pope County
|
1,246 |
|
Pulaski County
Pulaski County
|
1,498 |
|
Putnam County
Putnam County
|
1,614 |
|
Randolph County
Randolph County
|
9,546 |
|
Richland County
Richland County
|
2,300 |
|
Rock Island County
Rock Island County
|
106,340 |
|
St. Clair County
St. Clair County
|
208,869 |
|
Saline County
Saline County
|
8,046 |
|
Sangamon County
Sangamon County
|
85,696 |
|
Schuyler County
Schuyler County
|
1,067 |
|
Scott County
Scott County
|
856 |
|
Shelby County
Shelby County
|
5,921 |
|
Stark County
Stark County
|
1,609 |
|
Stephenson County
Stephenson County
|
11,703 |
|
Tazewell County
Tazewell County
|
71,030 |
|
Union County
Union County
|
4,665 |
|
Vermilion County
Vermilion County
|
43,294 |
|
Wabash County
Wabash County
|
3,608 |
|
Warren County
Warren County
|
3,894 |
|
Washington County
Washington County
|
6,578 |
|
Wayne County
Wayne County
|
3,059 |
|
White County
White County
|
3,851 |
|
Whiteside County
Whiteside County
|
25,224 |
|
Will County
Will County
|
107,868 |
|
Williamson County
Williamson County
|
28,479 |
|
Winnebago County
Winnebago County
|
72,542 |
|
Woodford County
Woodford County
|
17,898 |
|
3,335,461 |