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Emergency Call:
Non-Emergency Call:
(309) 343-9151
(24 hours)

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Administrative Office:
152 South Kellogg St.
Galesburg, Illinois 61401
M-F 7:30am - 4:30pm
Phone: (309) 345-3733
Sheriff Auxiliary



Aux 2015
The Knox County Sheriff's
Auxiliary 2015


The History and Duties of The Sheriff's Auxiliary

The Knox County Sheriff's Department's Auxiliary started out as the Sheriff's Posse. The Posse was a group of dedicated, community minded volunteers who, when needed, assisted the Sheriff or his Deputies with various duties and assignments throughout Knox County. 

The basic duties and assignments of the Sheriff's Auxiliary have, for the most part, remained the same since the days of the Sheriff's Posse.  These duties include guarding and transporting inmates from the Knox County Jail and assisting with community events such as the Knox County Fair The Sheriff's Auxiliary is also called upon to assist Deputies during times of severe weather and natural disasters.  Auxiliary members routinely assist Deputies at  traffic crashes and crimes scenes by providing traffic control and security.  The Sheriff's Auxiliary also works side by side with with Deputies on Patrol, in the Jail and Courthouse.

Many Knox County County Deputies began their careers in Law Enforcement as a member of the Sheriff's Auxiliary.  The time these Deputies spent on the Auxiliary gave them hands on experience in the Jail,  the Court House and on Patrol.  Being part of the Sheriff's Auxiliary is highly recommended for anyone who is considering testing for a position with the Knox County Sheriff's Department.


Requirements for the Knox County Sheriff's Auxiliary

  1. Twenty-one (21) years of age.
  2. Possess or be able to obtain an Illinois Firearm Owners Identification Card (FOID).
  3. Possess a valid Illinois Drivers License.
  4. Be a resident of Knox County.
  5. Be able to pass criminal background check and have no felony or recent misdemeanor convictions.
  6. Attend and pass the State of Illinois' Mandatory Firearms Training and Qualification.
  7. Pass an oral interview with the Knox County Sheriff's Auxiliary Command Staff.
  8. Volunteer a minimum of ten (10) hours per month performing an Auxiliary Deputy's Duty.
  9. The ability and/or means to purchase a firearm and other required equipment.

Contact Information

If you have any questions or would like to know more about the Knox County Sheriff's Auxiliary contact Auxiliary Chief David Ruetz or Dep Greg Jennings(Auxiliary Liaison)at the email links below.

Download an application for the Sheriff's Auxiliary and return to:

The Knox County Sheriff's Department
152 S. Kellogg Street
Galesburg, IL 61401
Attn: Sheriff's Auxiliary

Aux. Deputy Rutledge
(left) & Deputy Sims
with Bomb Squad Robot


Additional Information
Sheriff's Auxiliary Application
ILETSB Statement of Police: Auxiliary Police Officers

Chief David Ruetz

Dep Greg Jennings

Press Releases

     Knox County Sheriff's Office | © 2018
     Knox County, Illinois
Brooks and Jeffrey