Mercer County Sheriff's Office

The Mercer County Sheriff's Office is the largest law enforcement agency in the County and patrols all 569 square miles of the County. The department also provides police service to Matherville and Village of Joy by contract. The patrol division is supervised by Sheriff Dusty Terrill and Chief Deputy Jason Monson. Mercer County deputies patrol all areas of and respond to all calls for assistance within their jurisdiction and assist and cooperate with all local police departments, Illinois State Police, and other outside agencies. The patrol division is the most visible function of the Sheriff's Office. Deputies assigned to patrol perform several specialized duties, including Sergeants, a K-9 unit, an accident investigator, evidence technicians, tactical officers, field training officers, firing range officers, juvenile officers. At left, you will find a link to the Illinois State Police and contact information for other area police departments.

If you are going to be away from your residence or business for an extended period, you may request extra patrol from the Mercer County Sheriff's Office. Fill out the form linked at left, and deputies will be advised to patrol the area around your residence or business more often during the period you specify.


The Mercer County Sheriff's Office maintains an Investigations unit comprised of Detectives Anthony Baugh and Matt Bruning. The Investigations unit addresses all cases within Mercer County, including offenses such as Burglary, Sexual Assault/Abuse, Identity Theft, and Homicide. If you have any information on open cases, please contact the Mercer County Sheriff's Office at (309) 582-5194 and ask to speak with a Detective.


Law Enforcement and Senior Citizens Working Together

What is Triad?

Triad is the agreement between the law enforcement agencies in a county (Sheriff's Office, Police Departments, etc.) and senior citizens or retired persons in the community to work together.

Triad is the concept of cooperation to reduce the criminal victimization of the elderly.

Triad is a joint approach to crime issues that affect senior citizens and the enhanced delivery of law enforcement services to these mature persons.

One senior defined Triad as The Right Information and Direction

What do Triads Do?

  • Educate: Sponsor crime Prevention programs for senior citizens.
  • Assist: Recruit and train volunteers to assist the police and sheriff's departments.
  • Emphasize: Staff reassurance programs for senior citizens to reduce fear and provide moral support.
  • Communicate: Provide a forum for law enforcement and the community to share needs and concerns and develop solutions.
  • Involve: Unite seniors, sheriffs, and local police to identify problems areas for seniors in the local community to develop and implement community-wide solutions.

Examples of programs include:

  • RUOK, a computerized telephone checks on seniors
  • Call out/home visits on seniors each week
  • Elder abuse prevention, recognition, and inspections
  • Timely information of current fraud and scams

All programs are provided free of cost to persons 60 years of age or older.

For more information contact:
Mercer County Sheriff's Office at (309) 582-5194
Deputy Thomas Bennett email:
Elderly Services Officer

Search and Rescue

Mercer County Sheriff's Search and Rescue was formed to support emergency services in Mercer County, Ill., searching and rescuing individuals by trained personnel.

We're a 501(c)(3) charitable organization. Donations to Mercer County Sheriff's Search and Rescue are fully deductible, depending on your tax situation and as long as nothing is received in return for your gift.

Visit us at our website by clicking the following link

Mercer County Sheriff's Office

Civil Process

The Mercer County Sheriff's Office offers civil process service and other responsibilities. The service is $55 plus $1 per mile per paper served. This service is billed after deputies have attempted service. If you or your firm are interested in having Deputies serve your civil papers or decide for service on yourself, please contact the Leads Coordinator at (309) 582-5194.

Sex Offenders

The Mercer County Sheriff's Office is responsible for registering and gathering personal, employment, and address information on all sex offenders residing in Mercer County. Linked at the left, you will see the website for the Illinois State Police Sex Offender Registration Unit, which maintains a state-wide database with photos. If you have any questions or concerns about a sex offender, please contact us at (309) 582-5194 or the ISP Sex Offender Registration Unit at (217) 785-0653.

If you are a sex offender required to register with us, please contact us ahead of time at (309) 582-5020 to ensure an officer will be available. The annual registration fee is $100.00.

Emergency Planning Comm.

Mercer County Local Emergency Planning Committee

Mission Statement

The mission of the Mercer County LEPC is to protect the health and safety of its citizens through the development and maintenance of a chemical emergency response plan and public education and information about chemicals in the community.

LEPC Responsibilities

  • Identify facilities and transportation routes of hazardous substances
  • Describe emergency response procedures
  • Designate coordinators
  • Outline emergency notification procedures
  • Describe how to determine probable affected areas and populations affected by releases
  • Describe local emergency equipment and facilities
  • Outline evacuation plans
  • Develop training programs for emergency responders
  • Exercise response plans

2018/2019 Meeting Dates

Quarter 1: Thursday, November 8th, 2018, at 6:00 pm
Mercer County Health Department

Quarter 2: Thursday, February 14th, 2019, at 9:00 am
Mercer County Health Department

Quarter 3: Thursday, May 9th, 2019, at 6:00 pm
Mercer County Health Department

Quarter 4: Thursday, August 15th, 2019, at 9:00 am
Mercer County Health Department

Meetings are subject to change. Please confirm dates, times, and locations by calling (309) 582-3759.

Crime Stoppers

Mercer County Sheriff's Office

Mercer County Crime Stoppers is a non-profit organization that offers anonymity and cash rewards to anyone who provides information leading to the arrest and/or filing of criminal charges against criminal offenders and to the capture of fugitives.

Mercer County Crime Stoppers Statistics Since 1991

Cases solved: 131
Arrests made: 114
Value of property/drugs recovered: $149,120
Rewards paid: $17,550

Illinois Crime Stoppers since inception 1984

Cases solved: 83, 257
Arrests made: 125,579
Property Recovered: $174,012,849
Rewards paid: $7,358,784

If you have information about a crime, please contact Crime Stoppers at (309) 582-3500.

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