List of Illinois counties

• Adams County (354)
• Alexander County (121)
• Bond County (189)
• Boone County (142)
• Brown County (80)
• Bureau County (506)
• Calhoun County (96)
• Carroll County (228)
• Cass County (91)
• Champaign County (838)
• Christian County (365)
• Clark County (249)
• Clay County (218)
• Clinton County (224)
• Coles County (352)
• Cook County (3223)
• Crawford County (217)
• Cumberland County (195)
• De Kalb County (299)
• De Witt County (227)
• Douglas County (256)
• Du Page County (466)
• Edgar County (311)
• Edwards County (92)
• Effingham County (303)
• Fayette County (421)
• Ford County (338)
• Franklin County (382)
• Fulton County (235)
• Gallatin County (85)
• Greene County (215)
• Grundy County (328)
• Hamilton County (197)
• Hancock County (341)
• Hardin County (65)
• Henderson County (187)
• Henry County (374)
• Iroquois County (656)
• Jackson County (298)
• Jasper County (202)
• Jefferson County (333)
• Jersey County (126)
• Jo Daviess County (243)
• Johnson County (130)
• Kane County (453)
• Kankakee County (406)
• Kendall County (153)
• Knox County (402)
• Lake County (397)
• LaSalle County (626)
• Lawrence County (200)
• Lee County (426)
• Livingston County (655)
• Logan County (336)
• McDonough County (228)
• McHenry County (302)
• McLean County (736)
• Macon County (488)
• Macoupin County (307)
• Madison County (698)
• Marion County (359)
• Marshall County (172)
• Mason County (103)
• Massac County (168)
• Menard County (110)
• Mercer County (174)
• Monroe County (141)
• Montgomery County (303)
• Morgan County (282)
• Moultrie County (192)
• Ogle County (420)
• Peoria County (446)
• Perry County (156)
• Piatt County (287)
• Pike County (406)
• Pope County (101)
• Pulaski County (111)
• Putnam County (54)
• Randolph County (179)
• Richland County (170)
• Rock Island County (322)
• St. Clair County (747)
• Saline County (231)
• Sangamon County (611)
• Schuyler County (150)
• Scott County (112)
• Shelby County (393)
• Stark County (100)
• Stephenson County (384)
• Tazewell County (413)
• Union County (224)
• Vermilion County (637)
• Wabash County (112)
• Warren County (230)
• Washington County (255)
• Wayne County (309)
• White County (271)
• Whiteside County (316)
• Will County (848)
• Williamson County (244)
• Winnebago County (580)
• Woodford County (244)