State: Listed By Counties Counties in color have 1 or more active title companies
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| Illinois .........103 Counties | 12,763,371 |
| . Adams County | 67,040 |
| . Alexander County | 8,927 |
| . Bond County | 18,027 |
| . Boone County | 50,483 |
| . Brown County | 6,835 |
| . Bureau County | 35,330 |
| . Calhoun County | 5,163 |
| . Carroll County | 16,086 |
| . Cass County | 13,898 |
| . Champaign County | 184,905 |
| . Christian County | 35,176 |
| . Clark County | 16,976 |
| . Clay County | 14,122 |
| . Clinton County | 36,095 |
| . Coles County | 51,065 |
| . Cook County | 5,303,683 |
| . Crawford County | 19,898 |
| . Cumberland County | 10,973 |
| . DeKalb County | 97,665 |
| . De Witt County | 16,617 |
| . Douglas County | 19,950 |
| . DuPage County | 929,113 |
| . Edgar County | 19,157 |
| . Edwards County | 6,784 |
| . Effingham County | 34,581 |
| . Fayette County | 21,713 |
| . Ford County | 14,157 |
| . Franklin County | 39,723 |
| . Fulton County | 37,708 |
| . Gallatin County | 6,152 |
| . Greene County | 14,581 |
| . Grundy County | 43,838 |
| . Hamilton County | 8,301 |
| . Hancock County | 19,153 |
| . Hardin County | 4,718 |
| . Henderson County | 7,972 |
| . Henry County | 50,591 |
| . Iroquois County | 30,677 |
| . Jackson County | 57,954 |
| . Jasper County | 10,020 |
| . Jefferson County | 40,434 |
| . Jersey County | 22,456 |
| . Jo Daviess County | 22,580 |
| . Johnson County | 13,169 |
| . Kane County | 482,113 |
| . Kankakee County | 107,972 |
| . Kendall County | 79,514 |
| . Knox County | 53,309 |
| . Lake County | 702,682 |
| . LaSalle County | 112,604 |
| . Lawrence County | 15,930 |
| . Lee County | 35,669 |
| . Livingston County | 39,186 |
| . Logan County | 30,603 |
| . McDonough County | 31,966 |
| . McHenry County | 303,990 |
| . McLean County | 159,013 |
| . Macon County | 110,167 |
| . Macoupin County | 49,111 |
| . Madison County | 264,309 |
| . Marion County | 40,144 |
| . Marshall County | 13,217 |
| . Mason County | 15,741 |
| . Massac County | 15,348 |
| . Menard County | 12,738 |
| . Mercer County | 16,912 |
| . Monroe County | 31,040 |
| . Montgomery County | 30,396 |
| . Morgan County | 35,722 |
| . Moultrie County | 14,510 |
| . Ogle County | 54,290 |
| . Peoria County | 182,328 |
| . Perry County | 22,815 |
| . Piatt County | 16,680 |
| . Pike County | 17,099 |
| . Pope County | 4,211 |
| . Pulaski County | 6,794 |
| . Putnam County | 6,094 |
| . Randolph County | 33,122 |
| . Richland County | 15,798 |
| . Rock Island County | 147,808 |
| . St. Clair County | 260,067 |
| . Saline County | 26,072 |
| . Sangamon County | 192,789 |
| . Schuyler County | 7,073 |
| . Scott County | 5,412 |
| . Shelby County | 22,322 |
| . Stark County | 6,169 |
| . Stephenson County | 47,965 |
| . Tazewell County | 129,999 |
| . Union County | 18,202 |
| . Vermilion County | 82,344 |
| . Wabash County | 12,570 |
| . Warren County | 17,558 |
| . Washington County | 14,922 |
| . Wayne County | 16,796 |
| . White County | 15,284 |
| . Whiteside County | 59,863 |
| . Will County | 642,813 |
| . Williamson County | 63,617 |
| . Winnebago County | 288,695 |
| . Woodford County | 37,448 |