Illinois County Dispatch Frequencies

Introduction

The information included here is to serve as a supplement to the data found on the Radioreference.com Illinois pages. The purpose of this page is to provide a quick reference to the county public safety dispatch frequencies in Illinois, which may be especially beneficial for traveling.

Sheriff Dispatch Frequencies/Systems Map

Fire Dispatch Frequencies/Systems Map

County Sheriff and Fire Dispatch Frequencies/Systems table

The fire frequencies listed are the ones where the fire pages/announcements are made. Actual operations frequencies may be different. Green highlight indicates fire responses are on a TRS.

COUNTY	SHF_FREQ	SHF_TONE	FIRE_FREQ	FIRE_TONE	ISP_TROOP
Adams	155.7450	127.3	154.3100	127.3	Troop 6
Alexander	155.5950	82.5	159.1800	114.8	Troop 10
Bond	STARCOM21 P25 TRS	TG: 7881	154.1300	162.2	Troop 8
Boone	STARCOM21 P25 TRS	P25 ENCRYPTED	154.3700	210.7	Troop 3
Brown	STARCOM21 P25 TRS	TG: 5571	151.4675	031	Troop 6
Bureau	151.3250	127.3	154.0100	multiple	Troop 2
Calhoun	156.1650	186.2	154.2350	186.2	Troop 8
Carroll	STARCOM21 P25 TRS	TG: 3908	154.1900	CSQ	Troop 1
Cass	multiple VHF	NXDN ENC	159.1050	411	Troop 6
Champaign	MDICE 800 MHz TRS	TG: 21501	155.040	131.8	Troop 7
Christian	155.7000	P25 ENCRYPTED	151.4300	125	Troop 6
Clark	STARCOM21 P25 TRS	TG: 8301	151.3850	162.2	Troop 9
Clay	155.5650	CC 5 TG 200 SL 1	multiple VHF		Troop 9
Clinton	STARCOM21 P25 TRS	TG: 7901	151.415	CSQ	Troop 8
Coles	155.6700	88.5	159.090	88.5	Troop 7
Cook	STARCOM21 P25 TRS	P25 ENCRYPTED	multiple		Troop 3
Crawford	151.0325	P25 ENCRYPTED	154.725	82.5	Troop 9
Cumberland	151.3100	MotoTRBO ENC	155.865	186.2	Troop 9
De Kalb	Dekalb County P25 TRS	TG: 148 (Phase II)	153.485	192.8	Troop 3
De Witt	159.3525	P25 ENCRYPTED	151.1675	79.7	Troop 5
Douglas	STARCOM21 P25 TRS	TG: 5931	154.130	123.0	Troop 7
Du Page	STARCOM21 P25 TRS	TG: 2619 (Phase II)	multiple		Troop 3
Edgar	151.265	CC 12 TG 401 SL 1	151.325	032	Troop 7
Edwards	155.550	85.4	154.430	118.8	Troop 9
Effingham	STARCOM21 P25 TRS	P25 ENCRYPTED	154.430	CSQ	Troop 9
Fayette	155.685	D8A NAC	155.4225	743	Troop 9
Ford	STARCOM21 P25 TRS	TG: 3651	154.190	151.4	Troop 5
Franklin	VHF Multiple	MotoTRBO ENC	154.445	179.9	Troop 10
Fulton	STARCOM21 P25 TRS	TG: 6166 (Phase II)	154.130		Troop 6
Gallatin	154.740	127.3	154.070	CSQ	Troop 10
Greene	multiple VHF	NXDN ENC	158.8425	172	Troop 8
Grundy	STARCOM21 P25 TRS	TG: 2429 (Phase II)	154.055	CSQ	Troop 4
Hamilton	155.700	162.2	154.070		Troop 10
Hancock	155.415	162.2	154.385	CSQ	Troop 6
Hardin	156.165	162.2	154.785	156.7	Troop 10
Henderson	STARCOM21 P25 TRS	TG: 6311	154.325	multiple	Troop 6
Henry	154.725	156	154.190	67.0	Troop 4
Iroquois	STARCOM21 P25 TRS	TG: 37680	154.400	192.8	Troop 5
Jackson	155.010	162.2	156.225	multiple	Troop 10
Jasper	STARCOM21 P25 TRS	TG: 8941	154.430	131.8	Troop 9
Jefferson	VHF Multiple	MotoTRBO ENC	154.430	032	Troop 10
Jersey	155.8050	179.9	156.2175	612	Troop 8
Jo Daviess	155.535(W)159.010(E)	173.8	155.820	233.6	Troop 1
Johnson	151.2350	MotoTRBO ENC	154.295-	136.5	Troop 10
Kane	STARCOM21 P25 TRS	P25 ENCRYPTED	154.430-	77.0	Troop 3
Kankakee	STARCOM21 P25 TRS	P25 ENCRYPTED	154.325	118.8	Troop 5
Kendall	453.475-	156.7	155.5425	167.9	Troop 4
Knox	STARCOM21 P25 TRS	TG: 1926	151.115- (N) 154.370 (S)	114.8 (N) multiple (S)	Troop 4
La Salle	ClearTalk MOTOTRBO DMR TIER 3	TG: 181	151.4600	CSQ	Troop 2
Lake	STARCOM21 P25 TRS	P25 ENCRYPTED	multiple		Troop 3
Lawrence	159.1575	223	154.430-		Troop 9
Lee	STARCOM21 P25 TRS	TG: 1076	154.190	CSQ	Troop 1
Livingston	STARCOM21 P25 TRS	TG: 5776	460.600	110.9	Troop 5
Logan	STARCOM21 P25 TRS	P25 ENCRYPTED	154.0925	D411	Troop 6
Macon	STARCOM21 P25 TRS	TG: 4576	154.980	97.4	Troop 7
Macoupin	151.21250	P25 ENCRYPTED	154.7475	131	Troop 8
Madison	STARCOM21 P25 TRS	TG: 7315	154.430	167.9	Troop 8
Marion	151.3925	606	151.220	165	Troop 9
Marshall	Multiple UHF DMR	TG: 620	154.325	100.0	Troop 4
Mason	155.580	162.2	154.340	77.0	Troop 6
Massac	155.190	155	154.340	91.5	Troop 10
McDonough	453.4375	CC 3 | TG 2009 | SL 1	multiple VHF		Troop 6
McHenry	STARCOM21 P25 TRS	TG: 1101	154.250	CSQ	Troop 3
McLean	STARCOM21 P25 TRS	P25 ENCRYPTED	156.210	94.8	Troop 5
Menard	155.115	103.5	155.805	103.5	Troop 6
Mercer	155.625	192.8	154.385	multiple	Troop 4
Monroe	STARCOM21 P25 TRS	P25 ENCRYPTED	154.190	167.9	Troop 8
Montgomery	151.3250	P25 ENCRYPTED	151.4600	162	Troop 8
Morgan	Multiple VHF	NXDN ENC	155.8500	703	Troop 6
Moultrie	155.625	146.2	151.4000	503	Troop 7
Ogle	453.100	192.8	154.3400	CSQ	Troop 1
Peoria	STARCOM21 P25 TRS	TG: 6701	154.370	167.9	Troop 4
Perry	154.860	85.4	154.2200	85.4	Troop 10
Piatt	151.4675	P25 ENCRYPTED	151.1975	143	Troop 7
Pike	154.785	114.8	155.100	127.3	Troop 6
Pope	154.725	167.9	154.370	167.9	Troop 10
Pulaski	156.000	183.5	154.190	241.8	Troop 10
Putnam	Multiple UHF DMR	85.4 & 100.0	154.190	CSQ	Troop 2
Randolph	154.785	192.8	156.240	85.4	Troop 10
Richland	158.790	32D NAC			Troop 9
Rock Island	159.150	192.8	154.310	134	Troop 4
Saline	156.210	146.2	154.070	CSQ	Troop 10
Sangamon	STARCOM21 P25 TRS	TG: 4901	158.820	225.7	Troop 6
Schuyler	multiple VHF	NXDN ENC	154.415		Troop 6
Scott	155.3175	703	154.385	77.0	Troop 6
Shelby	151.295	P25 ENCRYPTED	154.430	CSQ	Troop 7
St. Clair	STARCOM21 P25 TRS	TG: 7017	154.190	186.2	Troop 8
Stark	STARCOM21 P25 TRS	TG: 6695 (Phase II)	151.4975	136.5	Troop 4
Stephenson	STARCOM21 P25 TRS	TG: 1651	154.190	123	Troop 1
Tazewell	STARCOM21 P25 TRS	TG: 37237 (Phase II)	multiple VHF		Troop 4
Union	158.775	179.9	159.150	411	Troop 10
Vermilion	154.755	MotoTRBO ENC	155.1525	445	Troop 7
Wabash	151.100	77.0	154.430		Troop 9
Warren	STARCOM21 P25 TRS	TG: 5576	multiple VHF		Troop 4
Washington	151.4600	293 NAC	151.1525	114	Troop 10
Wayne	151.0175	16 RAN (mobiles ENC)	154.430	multiple	Troop 9
White	158.8275	MotoTRBO ENC	159.000	88.5	Troop 10
Whiteside	154.740	103.5	154.190	CSQ	Troop 1
Will	Will Co P25 TRS	TG: 20001 & 20005	multiple VHF		Troop 3
Williamson	154.875	203.5	154.370	100.0	Troop 10
Winnebago	STARCOM21 P25 TRS	P25 ENCRYPTED	154.370	CSQ	Troop 1
Woodford	STARCOM21 P25 TRS	TG: 5806 (Phase II)	multiple VHF		Troop 4

Related links

• Illinois Starcom21 wiki page

Page Last updated: 07/18/2025