Police Radio Encryption in Illinois
Illinois has an encryption rate of 8%. Out of 2097 tracked public safety agencies, 36 are fully encrypted, 283 are partially encrypted, and 1778 broadcast in the clear.
Agencies by Type
Encrypted & Partially Encrypted Agencies in Illinois
- Abraham Lincoln Presidential Library (Springfield) (Sangamon County) — Encrypted
- American Airlines (O'Hare) (Cook County) — Encrypted
- Blessing Health System (IL) (Pike County) — Encrypted
- Brookfield Zoo (Chicago Zoological Society) (Cook County) — Encrypted
- Champaign County Community Unit School District 4 (IL) (Champaign County) — Encrypted
- Chicago Cubs Baseball - Wrigley Field (DMR) (Cook County) — Encrypted
- Chicago Cultural Center (Cook County) — Encrypted
- Federal Bureau of Investigations (FBI) (Statewide) — Encrypted
- Federal Correctional Institution Greenville (Bond County) — Encrypted
- Glen Ellyn School District 41 (DuPage County) — Encrypted
- HSHS St. John's Hospital (Sangamon County) — Encrypted
- IDOC - Dixon Correctional Center (Dixon) [K-16] (Statewide) — Encrypted
- IDOC - Lincoln/Logan Correctional Center [K-18/K-13] (Adams County) — Encrypted
- IDOC - Pontiac Correctional Center (Pontiac) (Statewide) — Encrypted
- IDOC - Stateville Correctional Center (Crest Hill) (Statewide) — Encrypted
- Illinois River Correctional Center (Canton) (Fulton County) — Encrypted
- Johnston City Police/Fire (IL) (Williamson County) — Encrypted
- Joppa (Massac County) — Encrypted
- Lifestar Ambulance (Sangamon County) — Encrypted
- Lifestar Ambulance (Centralia) (Marion County) — Encrypted
- Lifestar Ambulance - Jacksonville Division (Morgan County) — Encrypted
- Marshals Service (Winnebago County) — Encrypted
- McLean Co. - Illinois State University (Normal) (Statewide) — Encrypted
- Meridian School District 15 (Blue Mound/Macon) (Macon County) — Encrypted
- Midwest Emergency Radio Services (IN/IL) (Winnebago County) — Encrypted
- Morton Community Unit School District 709 (Tazewell County) — Encrypted
- Mount Sinai Hospital (Cook County) — Encrypted
- Nestle (Franklin Park IL) (Cook County) — Encrypted
- North American Lighting - Paris IL (Edgar County) — Encrypted
- Pepperidge Farm (DuPage County) — Encrypted
- System Assigned ISSI Patch (Statewide) — Encrypted
- The Joseph Sears School (Cook County) — Encrypted
- Tri-County Electric Cooperative (IL) (Washington County) — Encrypted
- Western Community Unit School District 12 (Barry/Hull) (Pike County) — Encrypted
- Whiteside Co. - Twincom (Statewide) — Encrypted
- Will Co. - Joliet (Statewide) — Encrypted
- (Former) ISP District 1 - Sterling (Statewide) — Partial
- (Former) ISP District 13 - DuQuoin (Statewide) — Partial
- (Former) ISP District 2 - Elgin (Statewide) — Partial
- (Former) ISP District 21 - Ashkum (Statewide) — Partial
- (Former) ISP District 6 - Pontiac (Statewide) — Partial
- (Former) ISP District 7 - East Moline (Statewide) — Partial
- (Former) ISP District 8 - Peoria (Statewide) — Partial
- 911 / ETSB (Christian County) — Partial
- Addison Consolidated Dispatch Center (ACDC) (Statewide) — Partial
- Airports (Kane County) — Partial
- Airports (Peoria County) — Partial
- AmerenIllinois (Statewide) — Partial
- Arcola (Douglas County) — Partial
- Aurora (Statewide) — Partial
- Aurora (Kane County) — Partial
- Barbeck Communications (DMR) (Vermilion County) — Partial
- Bartonville (Peoria County) — Partial
- Berwyn (Cook County) — Partial
- Bethalto (Madison County) — Partial
- Big Muddy River Correctional Facility (Ina) [K-55] (Jefferson County) — Partial
- Blackburn College (Carlinville) (Macoupin County) — Partial
- Bolingbrook (Will County) — Partial
- Browning (Schuyler County) — Partial
- Burlington Northern Santa Fe Railway Police (BNSF) (Statewide) — Partial
- Businesses (Peoria County) — Partial
- Businesses - Chicago (Cook County) — Partial
- Businesses - Northwest (Cook County) — Partial
- Businesses - West (Cook County) — Partial
- Businesses and Media (DuPage County) — Partial
- Businesses and Media (Kane County) — Partial
- Businesses, Attractions and Recreation (Hancock County) — Partial
- Businesses, Attractions and Recreation (Massac County) — Partial
- Businesses, Attractions and Recreation (Moultrie County) — Partial
- Businesses, Media, Attractions and Recreation (Franklin County) — Partial
- Businesses, Media, Attractions and Recreation (McLean County) — Partial
- Businesses,, Attractions and Recreation (Warren County) — Partial
- Canadian National Railway Police (Statewide) — Partial
- Canadian Pacific Railway Police (Statewide) — Partial
- Carlinville (Macoupin County) — Partial
- Carlinville Community Unit School District 1 (Macoupin County) — Partial
- Carroll County (Carroll County) — Partial
- Carterville (Williamson County) — Partial
- Caterpillar Corporation (DMR) (Tazewell County) — Partial
- Centralia Fire Protection District/EMS (Marion County) — Partial
- Champaign County METCAD MDICE (Champaign County) — Partial
- Chicago Department of Transportation (Cook County) — Partial
- Chicago Fire / EMS (Cook County) — Partial
- Chicago Heights (Cook County) — Partial
- Chicago Midway International Airport (MDW) (Cook County) — Partial
- Chicago OEMC Public Safety - 800 MHz P25 (Cook County) — Partial
- Chicago Police Department (CPD) (Cook County) — Partial
- Cicero (Cook County) — Partial
- Clark County (Clark County) — Partial
- Coal City Community Unit School District 1 (Grundy County) — Partial
- Cook County (Cook County) — Partial
- Cook County Sheriff (Statewide) — Partial
- Cordova (Rock Island County) — Partial
- Coulterville (Randolph County) — Partial
- County Government (Mason County) — Partial
- Cumberland Comm. Unit School District 77 (Cumberland County) — Partial
- Dalton City / Dora Township (Moultrie County) — Partial
- Danville Correctional Center [K-21] (Vermilion County) — Partial
- DeKalb County Public Safety (DeKalb County) — Partial
- Dixon (Lee County) — Partial
- DuPage County (DuPage County) — Partial
- DuPage County - Law (Statewide) — Partial
- DuPage County - Local (Statewide) — Partial
- DuPage County Office of Homeland Security and Emergency Management (OHSEM) (DuPage County) — Partial
- DuPage County Sheriff (Statewide) — Partial
- DuPage Public Safety Communications (DU-COMM) (Statewide) — Partial
- Dupo (St. Clair County) — Partial
- Edwards County Community School District 1 (Edwards County) — Partial
- Elgin (Statewide) — Partial
- Emmet-Chalmers (Township) Fire Protection District (McDonough County) — Partial
- Endeavor Health (Lake County) — Partial
- Eureka (Woodford County) — Partial
- Federal (Peoria County) — Partial
- Federal Agencies (Cook County) — Partial
- Federal Government (Sangamon County) — Partial
- Federal Government / Military (Adams County) — Partial
- Fulton County (Fulton County) — Partial
- Genoa (DeKalb County) — Partial
- Germantown Rural Fire Protection District (Clinton County) — Partial
- Gibson Community Hospital / Gibson Area Ambulance Service (Ford County) — Partial
- Gillespie (Macoupin County) — Partial
- Glenbard Township High School District 87 (DuPage County) — Partial
- Good Hope-Sciota Fire Protection District (McDonough County) — Partial
- Gottlieb Memorial Hospital (Cook County) — Partial
- Government (McDonough County) — Partial
- Government (Pulaski County) — Partial
- Government (Franklin County) — Partial
- Government (Jefferson County) — Partial
- Government (Madison County) — Partial
- Government (Sangamon County) — Partial
- Government (Vermilion County) — Partial
- Governors State University (University Park) (Will County) — Partial
- Graham Correctional Center (Hillsboro) [K-12] (Montgomery County) — Partial
- Greenview (Menard County) — Partial
- Grundy County (Grundy County) — Partial
- HSHS St. Anthony's Memorial Hospital - Effingham (Effingham County) — Partial
- Hampton (Rock Island County) — Partial
- Harwood Heights (Cook County) — Partial
- Hatzalah Chicago (Cook County) — Partial
- Henry County (Henry County) — Partial
- Herrin (Williamson County) — Partial
- Hickory Hills (Cook County) — Partial
- Highland (Madison County) — Partial
- Hillsboro Community Unit School District 3 (Montgomery County) — Partial
- Homeland Security (Statewide) — Partial
- Hometown (Cook County) — Partial
- Hoopeston (Vermilion County) — Partial
- Horizon Health Hospital/EMS - Paris (Edgar County) — Partial
- Hospitals / Healthcare (DuPage County) — Partial
- Hospitals/Healthcare (Champaign County) — Partial
- Huntley Community School District 158 (McHenry County) — Partial
- IDOT District 4 - Peoria (Statewide) — Partial
- IL Attorney General's Office (Statewide) — Partial
- IL Dept of Corrections (IDOC) - Statewide (Statewide) — Partial
- IL Dept of Public Health (IDPH) (Statewide) — Partial
- IL Emergency Management Agency and Office of Homeland Security (Statewide) — Partial
- IL Law Enforcement Alarm System (ILEAS) (Statewide) — Partial
- IL National Guard (La Salle County) — Partial
- IL Statewide Interoperability Template (SWIT) (Statewide) — Partial
- ISP - Tollway (former Troop 15) (Statewide) — Partial
- ISP - Zone 1 - North Region (Statewide) — Partial
- ISP - Zone 2 - Central Region (Statewide) — Partial
- ISP - Zone 3 - South Region (Statewide) — Partial
- ISP Troop 3 - Chicago (Statewide) — Partial
- ISP Troop 6 - Springfield (Statewide) — Partial
- ISP Troop 7 - Champaign (Statewide) — Partial
- ISP Troop 8 - Collinsville/Metro East (Statewide) — Partial
- Illiana VA Medical Center (Danville) (Vermilion County) — Partial
- Illini Emergency Medical Services (Champaign County) — Partial
- Illinois Central Community Unit School District 180 (Mason County) — Partial
- Illinois National Guard (Statewide) — Partial
- Illinois Railroads (Adams County) — Partial
- Illinois Toll Highway Authority (Statewide) — Partial
- Iuka (Marion County) — Partial
- Jacksonville Correctional Center (Morgan) [K-17] (Morgan County) — Partial
- Kane County (Kane County) — Partial
- Kankakee Co. - Municipal (Adams County) — Partial
- Kankakee Co. Fire (Adams County) — Partial
- Kankakee County (Kankakee County) — Partial
- La Salle County (La Salle County) — Partial
- Lake Co. - Lake Consolidated Emergency Comms (LakeComm) (Statewide) — Partial
- Lake Co. - Waukegan Dispatch (Statewide) — Partial
- Lake Co. - Deerfield Dispatch (Adams County) — Partial
- Lake Co. - Glenview Public Safety Dispatch Center (GPSDC) (Statewide) — Partial
- Lake County (Lake County) — Partial
- Lake County - Fire/EMS (Adams County) — Partial
- Lakeside EMS - Alton (Madison County) — Partial
- Lansing (Cook County) — Partial
- Lincoln's ChalleNGe Academy (Rantoul) (Champaign County) — Partial
- Lisle (DuPage County) — Partial
- Livingston County (Livingston County) — Partial
- Logan County (Logan County) — Partial
- Lyons Township Area Communications Center (LTACC) (Statewide) — Partial
- Macomb (McDonough County) — Partial
- Macon Co. - Decatur (Statewide) — Partial
- Madison Co. - Edwardsville/SIUE (Statewide) — Partial
- Madison Co. - Glen Carbon PSAP (GlenCom) (Statewide) — Partial
- Madison Co. - Granite City (Statewide) — Partial
- Madison Co. - Sheriff / Government (Statewide) — Partial
- Madison Co. EMA / Interop (Statewide) — Partial
- Mahomet (Champaign County) — Partial
- Manito (Mason County) — Partial
- Mansfield (Piatt County) — Partial
- Marion (Williamson County) — Partial
- Marshall County Public Safety (IL) (Marshall County) — Partial
- McHenry (City) (McHenry County) — Partial
- McHenry Co. - Fire/EMS (Statewide) — Partial
- McHenry Co. - Government (Statewide) — Partial
- McHenry Co. - Law Enforcement (Statewide) — Partial
- McHenry Co. - NERCOM (Statewide) — Partial
- McHenry Co. - SEECOM (Statewide) — Partial
- McLean Co. - Bloomington (Statewide) — Partial
- McLean Co. - Bloomington Government (Statewide) — Partial
- McLean Co. - Government (Statewide) — Partial
- McLean Co. - Law Enforcement (Statewide) — Partial
- McLean Co. - Normal (Statewide) — Partial
- MedStar EMS (MetroEast) (Statewide) — Partial
- Medical / Aero-Medical - Statewide (Statewide) — Partial
- Melrose Park (Cook County) — Partial
- Melrose Park Village Government (IL) (Cook County) — Partial
- Metropolitan Pier and Exposition Authority (Chicago) (Cook County) — Partial
- Metropolitan Water Reclamation District (Hanover Park/Skokie) (Cook County) — Partial
- Millennium Park (Cook County) — Partial
- Minooka (Will County) — Partial
- Miscellaneous (Schuyler County) — Partial
- Miscellaneous (Will County) — Partial
- Miscellaneous / Unidentified (Madison County) — Partial
- Missouri Statewide Wireless Interoperable Network (MOSWIN) (St. Clair County) — Partial
- Mobile Communications of America (SRC UHF-DMR) (Woodford County) — Partial
- Monroe County (St. Clair County) — Partial
- Mount Prospect (Cook County) — Partial
- Mt Vernon IL Public Safety (Jefferson County) — Partial
- Mt Vernon IL Public Works (Jefferson County) — Partial
- Mt. Olive (Macoupin County) — Partial
- Mt. Vernon (Jefferson County) — Partial
- Mutual Aid Box Alarm System (MABAS) (Statewide) — Partial
- Mutual Aid Box Alarm System (MABAS) (Cook County) — Partial
- NORCOMM 911 Consolidated Dispatch Center (Statewide) — Partial
- New Trier Township High School District 203 (Cook County) — Partial
- Newman (Douglas County) — Partial
- North Aurora (Kane County) — Partial
- Northwest Central Dispatch (Statewide) — Partial
- OSF St Francis / Holy Family Medical Center (Monmouth) (Warren County) — Partial
- OSF St. Elizabeth Medical Center (Ottawa) (La Salle County) — Partial
- Ogden Midwest Communications (Itinerant County) — Partial
- Ogle County (Ogle County) — Partial
- Opdyke-Bel Rive School (Jefferson County) — Partial
- Oswego (Kendall County) — Partial
- Ottawa (La Salle County) — Partial
- Peoria Co-Peoria (City) (Statewide) — Partial
- Peoria County (Peoria County) — Partial
- Pere Marquette Illinois Youth Correctional Center (Grafton) [K-38] (Jersey County) — Partial
- Pesotum (Champaign County) — Partial
- Philo (Champaign County) — Partial
- Police/Fire Support Organizations (Cook County) — Partial
- Princeton IL Government (Bureau County) — Partial
- Prophetstown (Whiteside County) — Partial
- Public Safety (Moultrie County) — Partial
- Putnam County (Putnam County) — Partial
- QEM Fire Protection District (Jersey County) — Partial
- Quad-City International Airport (MLI) (Rock Island County) — Partial
- QuadCom 911 (Statewide) — Partial
- Quincy (Adams County) — Partial
- Quincy Regional Airport (UIN) (Adams County) — Partial
- Rivian Automotive (McLean County) — Partial
- Royal (Champaign County) — Partial
- Rural Pope County Fire Protection District (Pope County) — Partial
- SIH Memorial Hospital of Carbondale (Jackson County) — Partial
- SKYWARN / Amateur Radio (Adams County) — Partial
- SSM Good Samaritan Hospital (Mt Vernon) (Jefferson County) — Partial
- Sangamon Co. - Sheriff/Law (Statewide) — Partial
- Sangamon Co. - Springfield (Statewide) — Partial
- Schools (Adams County) — Partial
- Schools-Chicago (Cook County) — Partial
- Scott Air Force Base (St. Clair County) — Partial
- Secretary of State Police - District 2 (Statewide) — Partial
- Sesser-Valier Community Consolidated School District (Franklin County) — Partial
- Shannon (Carroll County) — Partial
- Sheriff (Cook County) — Partial
- Sheriff / 911 (Washington County) — Partial
- Sheriff / 911 - CENCOM (De Witt County) — Partial
- Sheriff / Government (Christian County) — Partial
- Silvis (Rock Island County) — Partial
- South Beloit (Winnebago County) — Partial
- South Jacksonville (Morgan County) — Partial
- Southwestern Illinois Correctional Center (E St. Louis) [K-47] (St. Clair County) — Partial
- Spring Bay (Tazewell County) — Partial
- St. Clair Co. - Belleville PSAP (Statewide) — Partial
- St. Clair Co. - CENCOM / Sheriff (Statewide) — Partial
- St. Clair Co. - CENCOM West (Statewide) — Partial
- St. Clair Co. - Government (Statewide) — Partial
- Stateville Correctional Center [K-3] (Crest Hill) (Will County) — Partial
- Staunton (Macoupin County) — Partial
- Stephenson County (Stephenson County) — Partial
- Sterling Community Unit School District 5 (Whiteside County) — Partial
- Thompsonville Grade School District 62 (Franklin County) — Partial
- Townships (De Witt County) — Partial
- Townships (Fulton County) — Partial
- Townships (Knox County) — Partial
- Townships and Water Districts (Douglas County) — Partial
- Townships and Water Districts (Jackson County) — Partial
- Townships and Water Districts (Cook County) — Partial
- Townships and Water Districts (Marion County) — Partial
- Tri-Com 911 Central Dispatch (Statewide) — Partial
- Tuscarora (Peoria County) — Partial
- Twin City Communications (Bloomington) (McLean County) — Partial
- US Army - Rock Island Arsenal (Rock Island County) — Partial
- Vandalia Correctional Center [K-15] (Fayette County) — Partial
- Vermilion County (Vermilion County) — Partial
- Virden (Macoupin County) — Partial
- Waterloo School District 3 (Monroe County) — Partial
- West Suburban Consolidated Dispatch Center - WestCom (River Forest) (Cook County) — Partial
- Whiteside County (Whiteside County) — Partial
- Will Co. - Laraway Comm Center East (Statewide) — Partial
- Will Co. - WESCOM (Statewide) — Partial
- Woodford County (Woodford County) — Partial
- Woodstock (McHenry County) — Partial
- Wyanet (Bureau County) — Partial
- Zelmer Memorial Airport (Palmyra) [5K1] (Macoupin County) — Partial
Statewide Encrypted Systems
These agencies operate on statewide radio systems and serve multiple jurisdictions across Illinois.
- Federal Bureau of Investigations (FBI) (STARCOM21 Statewide Illinois) — Encrypted
- IDOC - Dixon Correctional Center (Dixon) [K-16] (STARCOM21 Statewide Illinois) — Encrypted
- IDOC - Pontiac Correctional Center (Pontiac) (STARCOM21 Statewide Illinois) — Encrypted
- IDOC - Stateville Correctional Center (Crest Hill) (STARCOM21 Statewide Illinois) — Encrypted
- McLean Co. - Illinois State University (Normal) (STARCOM21 Statewide Illinois) — Encrypted
- System Assigned ISSI Patch (STARCOM21 Statewide Illinois) — Encrypted
- Whiteside Co. - Twincom (STARCOM21 Statewide Illinois) — Encrypted
- Will Co. - Joliet (STARCOM21 Statewide Illinois) — Encrypted
- (Former) ISP District 1 - Sterling (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 13 - DuQuoin (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 2 - Elgin (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 21 - Ashkum (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 6 - Pontiac (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 7 - East Moline (STARCOM21 Statewide Illinois) — Partial
- (Former) ISP District 8 - Peoria (STARCOM21 Statewide Illinois) — Partial
- Addison Consolidated Dispatch Center (ACDC) (STARCOM21 Statewide Illinois) — Partial
- AmerenIllinois (STARCOM21 Statewide Illinois) — Partial
- Aurora (STARCOM21 Statewide Illinois) — Partial
- Burlington Northern Santa Fe Railway Police (BNSF) (STARCOM21 Statewide Illinois) — Partial
- Canadian National Railway Police (STARCOM21 Statewide Illinois) — Partial
- Canadian Pacific Railway Police (STARCOM21 Statewide Illinois) — Partial
- Cook County Sheriff (STARCOM21 Statewide Illinois) — Partial
- DuPage County - Law (STARCOM21 Statewide Illinois) — Partial
- DuPage County - Local (STARCOM21 Statewide Illinois) — Partial
- DuPage County Sheriff (STARCOM21 Statewide Illinois) — Partial
- DuPage Public Safety Communications (DU-COMM) (STARCOM21 Statewide Illinois) — Partial
- Elgin (STARCOM21 Statewide Illinois) — Partial
- Homeland Security (STARCOM21 Statewide Illinois) — Partial
- IDOT District 4 - Peoria (STARCOM21 Statewide Illinois) — Partial
- IL Attorney General's Office (STARCOM21 Statewide Illinois) — Partial
- IL Dept of Corrections (IDOC) - Statewide (STARCOM21 Statewide Illinois) — Partial
- IL Dept of Public Health (IDPH) (STARCOM21 Statewide Illinois) — Partial
- IL Emergency Management Agency and Office of Homeland Security (STARCOM21 Statewide Illinois) — Partial
- IL Law Enforcement Alarm System (ILEAS) (STARCOM21 Statewide Illinois) — Partial
- IL Statewide Interoperability Template (SWIT) (STARCOM21 Statewide Illinois) — Partial
- ISP - Tollway (former Troop 15) (STARCOM21 Statewide Illinois) — Partial
- ISP - Zone 1 - North Region (STARCOM21 Statewide Illinois) — Partial
- ISP - Zone 2 - Central Region (STARCOM21 Statewide Illinois) — Partial
- ISP - Zone 3 - South Region (STARCOM21 Statewide Illinois) — Partial
- ISP Troop 3 - Chicago (STARCOM21 Statewide Illinois) — Partial
- ISP Troop 6 - Springfield (STARCOM21 Statewide Illinois) — Partial
- ISP Troop 7 - Champaign (STARCOM21 Statewide Illinois) — Partial
- ISP Troop 8 - Collinsville/Metro East (STARCOM21 Statewide Illinois) — Partial
- Illinois National Guard (STARCOM21 Statewide Illinois) — Partial
- Illinois Toll Highway Authority (STARCOM21 Statewide Illinois) — Partial
- Lake Co. - Lake Consolidated Emergency Comms (LakeComm) (STARCOM21 Statewide Illinois) — Partial
- Lake Co. - Waukegan Dispatch (STARCOM21 Statewide Illinois) — Partial
- Lake Co. - Glenview Public Safety Dispatch Center (GPSDC) (STARCOM21 Statewide Illinois) — Partial
- Lyons Township Area Communications Center (LTACC) (STARCOM21 Statewide Illinois) — Partial
- Macon Co. - Decatur (STARCOM21 Statewide Illinois) — Partial
- Madison Co. - Edwardsville/SIUE (STARCOM21 Statewide Illinois) — Partial
- Madison Co. - Glen Carbon PSAP (GlenCom) (STARCOM21 Statewide Illinois) — Partial
- Madison Co. - Granite City (STARCOM21 Statewide Illinois) — Partial
- Madison Co. - Sheriff / Government (STARCOM21 Statewide Illinois) — Partial
- Madison Co. EMA / Interop (STARCOM21 Statewide Illinois) — Partial
- McHenry Co. - Fire/EMS (STARCOM21 Statewide Illinois) — Partial
- McHenry Co. - Government (STARCOM21 Statewide Illinois) — Partial
- McHenry Co. - Law Enforcement (STARCOM21 Statewide Illinois) — Partial
- McHenry Co. - NERCOM (STARCOM21 Statewide Illinois) — Partial
- McHenry Co. - SEECOM (STARCOM21 Statewide Illinois) — Partial
- McLean Co. - Bloomington (STARCOM21 Statewide Illinois) — Partial
- McLean Co. - Bloomington Government (STARCOM21 Statewide Illinois) — Partial
- McLean Co. - Government (STARCOM21 Statewide Illinois) — Partial
- McLean Co. - Law Enforcement (STARCOM21 Statewide Illinois) — Partial
- McLean Co. - Normal (STARCOM21 Statewide Illinois) — Partial
- MedStar EMS (MetroEast) (STARCOM21 Statewide Illinois) — Partial
- Medical / Aero-Medical - Statewide (STARCOM21 Statewide Illinois) — Partial
- Mutual Aid Box Alarm System (MABAS) (STARCOM21 Statewide Illinois) — Partial
- NORCOMM 911 Consolidated Dispatch Center (STARCOM21 Statewide Illinois) — Partial
- Northwest Central Dispatch (STARCOM21 Statewide Illinois) — Partial
- Peoria Co-Peoria (City) (STARCOM21 Statewide Illinois) — Partial
- QuadCom 911 (STARCOM21 Statewide Illinois) — Partial
- Sangamon Co. - Sheriff/Law (STARCOM21 Statewide Illinois) — Partial
- Sangamon Co. - Springfield (STARCOM21 Statewide Illinois) — Partial
- Secretary of State Police - District 2 (STARCOM21 Statewide Illinois) — Partial
- St. Clair Co. - Belleville PSAP (STARCOM21 Statewide Illinois) — Partial
- St. Clair Co. - CENCOM / Sheriff (STARCOM21 Statewide Illinois) — Partial
- St. Clair Co. - CENCOM West (STARCOM21 Statewide Illinois) — Partial
- St. Clair Co. - Government (STARCOM21 Statewide Illinois) — Partial
- Tri-Com 911 Central Dispatch (STARCOM21 Statewide Illinois) — Partial
- Will Co. - Laraway Comm Center East (STARCOM21 Statewide Illinois) — Partial
- Will Co. - WESCOM (STARCOM21 Statewide Illinois) — Partial
County Breakdown
102 counties tracked across Illinois. 74 have at least one encrypted or partially encrypted agency.
View all 102 counties
| County | Agencies | Encrypted | Partial | Clear | Rate |
|---|---|---|---|---|---|
| Edgar County | 3 | 1 | 1 | 1 | 50% |
| Massac County | 3 | 1 | 1 | 1 | 50% |
| Moultrie County | 3 | 0 | 3 | 0 | 50% |
| Edwards County | 1 | 0 | 1 | 0 | 50% |
| Itinerant County | 1 | 0 | 1 | 0 | 50% |
| Pulaski County | 1 | 0 | 1 | 0 | 50% |
| Jersey County | 4 | 0 | 2 | 2 | 25% |
| Schuyler County | 4 | 0 | 2 | 2 | 25% |
| Pope County | 2 | 0 | 1 | 1 | 25% |
| Adams County | 28 | 1 | 10 | 17 | 21% |
| De Witt County | 5 | 0 | 2 | 3 | 20% |
| Pike County | 11 | 2 | 0 | 9 | 18% |
| Jefferson County | 21 | 0 | 7 | 14 | 17% |
| Cumberland County | 3 | 0 | 1 | 2 | 17% |
| Putnam County | 3 | 0 | 1 | 2 | 17% |
| Morgan County | 13 | 1 | 2 | 10 | 15% |
| Carroll County | 7 | 0 | 2 | 5 | 14% |
| Jackson County | 7 | 0 | 2 | 5 | 14% |
| Franklin County | 15 | 0 | 4 | 11 | 13% |
| Douglas County | 12 | 0 | 3 | 9 | 13% |
| Piatt County | 4 | 0 | 1 | 3 | 13% |
| Marion County | 21 | 1 | 3 | 17 | 12% |
| Macoupin County | 34 | 0 | 8 | 26 | 12% |
| Mason County | 14 | 0 | 3 | 11 | 11% |
| Cook County | 219 | 7 | 32 | 180 | 11% |
| Vermilion County | 29 | 0 | 6 | 23 | 10% |
| Champaign County | 50 | 1 | 8 | 41 | 10% |
| McDonough County | 21 | 0 | 4 | 17 | 10% |
| Christian County | 11 | 0 | 2 | 9 | 9% |
| Montgomery County | 11 | 0 | 2 | 9 | 9% |
| Williamson County | 28 | 1 | 3 | 24 | 9% |
| Washington County | 18 | 1 | 1 | 16 | 8% |
| Bureau County | 12 | 0 | 2 | 10 | 8% |
| Fulton County | 25 | 1 | 2 | 22 | 8% |
| Peoria County | 39 | 0 | 6 | 33 | 8% |
| Woodford County | 20 | 0 | 3 | 17 | 8% |
| Rock Island County | 35 | 0 | 5 | 30 | 7% |
| Whiteside County | 21 | 0 | 3 | 18 | 7% |
| Menard County | 7 | 0 | 1 | 6 | 7% |
| Bond County | 16 | 1 | 0 | 15 | 6% |
| Sangamon County | 65 | 3 | 2 | 60 | 6% |
| Winnebago County | 44 | 2 | 1 | 41 | 6% |
| Ford County | 9 | 0 | 1 | 8 | 6% |
| Monroe County | 9 | 0 | 1 | 8 | 6% |
| Kane County | 46 | 0 | 5 | 41 | 5% |
| Grundy County | 19 | 0 | 2 | 17 | 5% |
| Warren County | 20 | 0 | 2 | 18 | 5% |
| Clark County | 10 | 0 | 1 | 9 | 5% |
| Marshall County | 10 | 0 | 1 | 9 | 5% |
| DuPage County | 102 | 2 | 6 | 94 | 5% |
| La Salle County | 41 | 0 | 4 | 37 | 5% |
| Tazewell County | 43 | 1 | 2 | 40 | 5% |
| Hancock County | 11 | 0 | 1 | 10 | 5% |
| McHenry County | 34 | 0 | 3 | 31 | 4% |
| DeKalb County | 23 | 0 | 2 | 21 | 4% |
| St. Clair County | 58 | 0 | 5 | 53 | 4% |
| Macon County | 24 | 1 | 0 | 23 | 4% |
| Madison County | 65 | 0 | 5 | 60 | 4% |
| Fayette County | 13 | 0 | 1 | 12 | 4% |
| Kendall County | 13 | 0 | 1 | 12 | 4% |
| Effingham County | 14 | 0 | 1 | 13 | 4% |
| Will County | 72 | 0 | 5 | 67 | 3% |
| McLean County | 44 | 0 | 3 | 41 | 3% |
| Lee County | 16 | 0 | 1 | 15 | 3% |
| Logan County | 17 | 0 | 1 | 16 | 3% |
| Henry County | 18 | 0 | 1 | 17 | 3% |
| Ogle County | 22 | 0 | 1 | 21 | 2% |
| Livingston County | 23 | 0 | 1 | 22 | 2% |
| Kankakee County | 25 | 0 | 1 | 24 | 2% |
| Stephenson County | 25 | 0 | 1 | 24 | 2% |
| Knox County | 27 | 0 | 1 | 26 | 2% |
| Randolph County | 27 | 0 | 1 | 26 | 2% |
| Clinton County | 31 | 0 | 1 | 30 | 2% |
| Lake County | 76 | 0 | 2 | 74 | 1% |
| Boone County | 13 | 0 | 0 | 13 | 0% |
| Stark County | 7 | 0 | 0 | 7 | 0% |
| Henderson County | 6 | 0 | 0 | 6 | 0% |
| Iroquois County | 6 | 0 | 0 | 6 | 0% |
| Jasper County | 5 | 0 | 0 | 5 | 0% |
| Perry County | 5 | 0 | 0 | 5 | 0% |
| Richland County | 5 | 0 | 0 | 5 | 0% |
| Brown County | 4 | 0 | 0 | 4 | 0% |
| Cass County | 4 | 0 | 0 | 4 | 0% |
| Johnson County | 4 | 0 | 0 | 4 | 0% |
| Jo Daviess County | 3 | 0 | 0 | 3 | 0% |
| Mercer County | 3 | 0 | 0 | 3 | 0% |
| Shelby County | 3 | 0 | 0 | 3 | 0% |
| Wabash County | 3 | 0 | 0 | 3 | 0% |
| White County | 3 | 0 | 0 | 3 | 0% |
| Calhoun County | 2 | 0 | 0 | 2 | 0% |
| Greene County | 2 | 0 | 0 | 2 | 0% |
| Lawrence County | 2 | 0 | 0 | 2 | 0% |
| Scott County | 2 | 0 | 0 | 2 | 0% |
| Alexander County | 1 | 0 | 0 | 1 | 0% |
| Clay County | 1 | 0 | 0 | 1 | 0% |
| Coles County | 1 | 0 | 0 | 1 | 0% |
| Crawford County | 1 | 0 | 0 | 1 | 0% |
| Gallatin County | 1 | 0 | 0 | 1 | 0% |
| Hamilton County | 1 | 0 | 0 | 1 | 0% |
| Saline County | 1 | 0 | 0 | 1 | 0% |
| Union County | 1 | 0 | 0 | 1 | 0% |
| Wayne County | 1 | 0 | 0 | 1 | 0% |
What This Means for Illinois Residents
Illinois has a relatively low encryption rate of 8%. The majority of public safety agencies (1778 out of 2097) still broadcast in the clear, meaning scanner listeners and journalists retain access to most emergency radio traffic.
Encryption status can change at any time as agencies upgrade equipment or adopt new policies. The RTDNA considers police radio encryption the #1 threat to journalism in America. Use our search tool to check specific cities and counties in Illinois.
Frequently Asked Questions
Is police radio encrypted in Illinois?
In Illinois, 36 out of 2097 tracked public safety agencies use fully encrypted radio, and 283 use partial encryption. The overall encryption rate is 8%. Use the search tool on the homepage to check specific cities and counties.
Can I listen to police scanners in Illinois?
Yes — 1778 agencies in Illinois still broadcast in the clear and can be monitored with a scanner. Check specific agencies using our search tool for detailed channel information.
How often is Illinois data updated?
Data for Illinois is synchronized weekly from RadioReference.com. Encryption status reflects the latest known radio configurations, though agencies can change their setup without notice. Report incorrect data.
Search all 2097 agencies in Illinois →
States with Similar Encryption Rates
Oregon (8%) · Washington (8%) · Arkansas (8%) · Iowa (8%) · North Carolina (8%)
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