Sheriff's Office Dispatch Only Discovered via RadioReference

Knox County Sheriff's Department

Knox, Illinois

What you can do right now

Encryption Details

Encryption Type P25 AES
Scope Primary dispatch channels encrypted via StarCom21 system
Technical Details StarCom21 encrypted dispatch channels effective June 1, 2026

Verification Status

We don't yet have per-talkgroup data for Knox County Sheriff's Department from the RadioReference API. The encryption scope and type above come from the RadioReference Wiki, which is community-maintained rather than independently confirmed channel-by-channel.

If you monitor Knox County Sheriff's Department directly or have more current information, the fastest way to fix this is to update the RadioReference Wiki entry — our data pulls from there and from the RadioReference API on a regular refresh cycle.

Knox County Context

Of the 3 public-safety agencies we track in Knox County, Knox County Sheriff's Department is currently the only one we have flagged as encrypted.

What This Means

Our records list dispatch here as encrypted. The listing hasn't been verified against live talkgroup data — check RadioReference for what is actually audible today.

See encryption status nationwide Interactive map showing which US police departments have encrypted their radios. Open the encryption map →

Frequently Asked Questions

Is Knox County Sheriff's Department radio encrypted?

Our database lists Knox County Sheriff's Department as using P25 AES encryption, though this listing is unverified. Our records list dispatch here as encrypted. The listing hasn't been verified against live talkgroup data — check RadioReference for what is actually audible today.

Can I listen to Knox County Sheriff's Department on a police scanner?

Possibly. Our database lists Knox County Sheriff's Department as encrypting its dispatch channel, which would leave some channels accessible. The listing is unverified — check RadioReference for specific talkgroup status.

Why do agencies like Knox County Sheriff's Department encrypt their radio?

Agencies cite officer safety and operational security. Those are assertions rather than findings — no local evidence is typically produced — while the effects are concrete and land straight away on anyone who relied on hearing Knox County Sheriff's Department to know what was happening nearby.

Can Knox County reverse the encryption decision?

It can. The radios support open and encrypted operation equally well, so this is a configuration and a policy, not a constraint — and policies set by Knox County officials are policies those officials can revisit when constituents press for it.

What can I do about Knox County Sheriff's Department encryption?

Three things carry weight, in this order: a public-records request for Knox County Sheriff's Department's encryption policy and radio recordings, a turn at the microphone during Knox County budget discussions, and finding the other people locally already asking the same question. Individually these are easy to deflect; together they are not.

Data source: RadioReference Wiki

This information is compiled from community-reported data and may not reflect the most current status. If you have updated information, please contribute to the RadioReference Wiki.

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