Illinois county jails
102 counties
| County | Jail / facility | Phone |
|---|---|---|
| Adams County | Adams County Jail | — |
| Alexander County | Alexander County Jail | — |
| Bond County | Bond County Jail | — |
| Boone County | Boone County Jail | — |
| Brown County | Brown County Jail | — |
| Bureau County | Bureau County Jail | — |
| Calhoun County | Calhoun County Jail | — |
| Carroll County | Carroll County Jail | — |
| Cass County | Cass County Jail | — |
| Champaign County | Champaign County Correctional Center | — |
| Christian County | Christian County Jail | — |
| Clark County | Clark County Jail | — |
| Clay County | Clay County Jail | — |
| Clinton County | Clinton County Jail | — |
| Coles County | Coles County Jail | — |
| Cook County | Cook County Jail | — |
| Crawford County | Crawford County Jail | — |
| Cumberland County | Cumberland County Jail | — |
| De Witt County | De Witt County Jail | — |
| DeKalb County | DeKalb County Jail | — |
| Douglas County | Douglas County Jail | — |
| DuPage County | DuPage County Jail | — |
| Edgar County | Edgar County Jail | — |
| Edwards County | Edwards County Jail | — |
| Effingham County | Effingham County Jail | — |
| Fayette County | Fayette County Jail | — |
| Ford County | Ford County Jail | — |
| Franklin County | Franklin County Jail | — |
| Fulton County | Fulton County Jail | — |
| Gallatin County | Gallatin County Jail | — |
| Greene County | Greene County Jail | — |
| Grundy County | Grundy County Jail | — |
| Hamilton County | Hamilton County Jail | — |
| Hancock County | Hancock County Jail | — |
| Hardin County | Hardin County Jail | — |
| Henderson County | Henderson County Jail | — |
| Henry County | Henry County Jail | — |
| Iroquois County | Iroquois County Jail | — |
| Jackson County | Jackson County Jail | — |
| Jasper County | Jasper County Jail | — |
| Jefferson County | Jefferson County Justice Center | — |
| Jersey County | Jersey County Jail | — |
| Jo Daviess County | Jo Daviess County Jail | — |
| Johnson County | Johnson County Jail | — |
| Kane County | Kane County Adult Justice Center | — |
| Kankakee County | Jerome Combs Detention Center | — |
| Kendall County | Kendall County Jail | — |
| Knox County | Knox County Jail | — |
| Lake County | Lake County Jail | — |
| LaSalle County | LaSalle County Jail | — |
| Lawrence County | Lawrence County Jail | — |
| Lee County | Lee County Jail | — |
| Livingston County | Livingston County Jail | — |
| Logan County | Logan County Jail | — |
| Macon County | Macon County Jail | — |
| Macoupin County | Macoupin County Jail | — |
| Madison County | Madison County Jail | — |
| Marion County | Marion County Jail | — |
| Marshall County | Marshall County Jail | — |
| Mason County | Mason County Jail | — |
| Massac County | Massac County Jail | — |
| McDonough County | McDonough County Jail | — |
| McHenry County | McHenry County Adult Correctional Facility | — |
| McLean County | McLean County Jail | — |
| Menard County | Menard County Jail | — |
| Mercer County | Mercer County Jail | — |
| Monroe County | Monroe County Jail | — |
| Montgomery County | Montgomery County Jail | — |
| Morgan County | Morgan County Jail | — |
| Moultrie County | Moultrie County Jail | — |
| Ogle County | Ogle County Jail | — |
| Peoria County | Peoria County Jail | — |
| Perry County | Perry County Jail | — |
| Piatt County | Piatt County Jail | — |
| Pike County | Pike County Jail | — |
| Pope County | Pope County Jail | — |
| Pulaski County | Pulaski County Jail | — |
| Putnam County | Putnam County Jail | — |
| Randolph County | Randolph County Jail | — |
| Richland County | Richland County Jail | — |
| Rock Island County | Rock Island County Justice Center | — |
| Saline County | Saline County Detention Center | — |
| Sangamon County | Sangamon County Jail | — |
| Schuyler County | Schuyler County Jail | — |
| Scott County | Scott County Jail | — |
| Shelby County | Shelby County Jail | — |
| St. Clair County | St. Clair County Jail | — |
| Stark County | Stark County Jail | — |
| Stephenson County | Stephenson County Jail | — |
| Tazewell County | Tazewell County Justice Center | — |
| Union County | Union County Jail | — |
| Vermilion County | Vermilion County Public Safety Building | — |
| Wabash County | Wabash County Jail | — |
| Warren County | Warren County Jail | — |
| Washington County | Washington County Jail | — |
| Wayne County | Wayne County Jail | — |
| White County | White County Jail | — |
| Whiteside County | Whiteside County Jail | — |
| Will County | Will County Adult Detention Facility | — |
| Williamson County | Williamson County Jail | — |
| Winnebago County | Winnebago County Jail | — |
| Woodford County | Woodford County Jail | — |