List of Illinois counties

• Adams County (351)
• Alexander County (121)
• Bond County (187)
• Boone County (141)
• Brown County (80)
• Bureau County (501)
• Calhoun County (96)
• Carroll County (227)
• Cass County (91)
• Champaign County (833)
• Christian County (365)
• Clark County (248)
• Clay County (217)
• Clinton County (223)
• Coles County (351)
• Cook County (3201)
• Crawford County (217)
• Cumberland County (193)
• De Kalb County (297)
• De Witt County (228)
• Douglas County (255)
• Du Page County (454)
• Edgar County (311)
• Edwards County (92)
• Effingham County (303)
• Fayette County (417)
• Ford County (337)
• Franklin County (381)
• Fulton County (235)
• Gallatin County (83)
• Greene County (215)
• Grundy County (328)
• Hamilton County (194)
• Hancock County (340)
• Hardin County (65)
• Henderson County (187)
• Henry County (373)
• Iroquois County (654)
• Jackson County (297)
• Jasper County (201)
• Jefferson County (332)
• Jersey County (125)
• Jo Daviess County (242)
• Johnson County (130)
• Kane County (449)
• Kankakee County (405)
• Kendall County (152)
• Knox County (398)
• Lake County (394)
• LaSalle County (621)
• Lawrence County (197)
• Lee County (423)
• Livingston County (652)
• Logan County (333)
• McDonough County (227)
• McHenry County (298)
• McLean County (733)
• Macon County (485)
• Macoupin County (306)
• Madison County (696)
• Marion County (359)
• Marshall County (171)
• Mason County (103)
• Massac County (167)
• Menard County (109)
• Mercer County (172)
• Monroe County (140)
• Montgomery County (303)
• Morgan County (278)
• Moultrie County (186)
• Ogle County (420)
• Peoria County (444)
• Perry County (155)
• Piatt County (287)
• Pike County (405)
• Pope County (101)
• Pulaski County (110)
• Putnam County (54)
• Randolph County (177)
• Richland County (169)
• Rock Island County (322)
• St. Clair County (745)
• Saline County (228)
• Sangamon County (611)
• Schuyler County (147)
• Scott County (112)
• Shelby County (390)
• Stark County (96)
• Stephenson County (383)
• Tazewell County (413)
• Union County (223)
• Vermilion County (632)
• Wabash County (112)
• Warren County (230)
• Washington County (255)
• Wayne County (308)
• White County (266)
• Whiteside County (316)
• Will County (845)
• Williamson County (243)
• Winnebago County (575)
• Woodford County (240)