Illinois houses by county

A

• Adams County

B

• Boone County
• Bureau County

C

• Champaign County
• Christian County
• Clinton County
• Coles County
• Cook County

D

• De Witt County
• DeKalb County
• Douglas County
• DuPage County

F

• Franklin County
• Fulton County

G

• Greene County
• Grundy County

H

• Hamilton County
• Hancock County
• Henry County

J

• Jackson County
• Jefferson County
• Jo Daviess County

K

• Kane County
• Kankakee County
• Kendall County
• Knox County

L

• La Salle County
• Lake County
• Lee County
• Livingston County

M

• Macon County
• Macoupin County
• Madison County
• Marion County
• Mason County
• Mcdonough County
• McHenry County
• Mclean County
• Menard County
• Mercer County
• Monroe County
• Montgomery County

O

• Ogle County

P

• Peoria County
• Piatt County
• Pope County

R

• Rock Island County

S

• Saline County
• Sangamon County
• St. Clair County
• Stephenson County

T

• Tazewell County

V

• Vermilion County

W

• Washington County
• White County
• Whiteside County
• Will County
• Williamson County
• Winnebago County
• Woodford County