Steve Nonn, Madison County Coroner

Coroner Inner Banner July


Stephen P. Nonn
Madison County Coroner, D-ABMDI

Welcome to the Madison County Coroner’s Office website. I hope you find the information here informative about the functions of this office. If you have any questions, comments, or suggestions please feel free to call me at 1 618 692-7478 or email at

Elected Madison County Coroner in November 2000 and was re-elected in 2004, 2008, 2012 and again in 2016.

Served with the Madison County Sheriff’s Department for 26 years, and retired in 2000 after being elected Madison County Coroner with the rank of Lieutenant in the Detective Division.

Served as a member of the St. Louis Major Case Squad from 1980 through 2000 and attained the rank of Deputy Commander.

Education and Training

  • Granite City Senior High School
  • Belleville Area College, Associates Degree in Law Enforcement (Deans List)
  • McKendree College, Bachelors Degree High Honors in Administration of Justice
  • University of Illinois Police Training Institute (Academic Award Winner)
  • St. Louis Metropolitan Major Case Squad Death Investigation Training (annual training 1980-2000)
  • St. Louis University School of Medicine Basic Death Investigation 1999
  • St. Louis University School of Medicine Masters Death Investigation 2001

Work History 

  • St. Louis International Airport Security 1971-1973
  • Madison County Courthouse Security 1972-1974
  • Madison County Sheriff’s Department Patrol Division 1974-1979
  • Madison County Sheriff’s Department Detective Division 1979-2000
  • St. Louis Metropolitan Major Case Squad 1980-2000
  • Madison County Coroner 2000-present


  • Illinois Coroners & Medical Examiners Association – Past President 2012
  • Diplomate – American Board of Medicolegal Death Investigators (D-ABMDI)
  • Founding Member – Society of Medicolegal Death Investigators (SOMDI)
  • International Association of Coroners & Medical Examiners Association (ICMEA)
  • International Homicide Investigators Association (IHIA)
  • Illinois Homicide Investigators Association
  • Madison County Police Association
  • American Academy of Forensic Sciences
  • Former Board Member Madison County Emergency Telephone System Board (911)
  • Advisory Board Member Illinois State Police Forensic Science Laboratory
  • Executive Member of the Training Advisory Board for the Illinois Coroners and Medical Examiners Association
  • Board Member - St. Louis Major Case Squad
  • Board Chairman - Southern Illinois Child Death Task Force
  • Board Member of Illinois Attorney General's Safe Home Coalition
  • Member of Madison County Child Abduction Team C.A.R.T.
  • Board Member Madison County Child Advocacy Center (CAC)