Reviewed and updated October 9, 2026 by the SearchSystems.net editorial team. The arrest counts are the ones each agency reported to the FBI, as the FBI held them on October 8, 2026. Every office link was opened and checked against the office's own site between September 23, 2026 and October 1, 2026.
Marion County, Illinois, has about 36,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Circuit Court of Marion County, and the file of each case, kept by the Circuit Clerk, is the public record of it. This guide says which court hears what, where to look a case up and who keeps the files.
This guide covers the courts, the records page, criminal cases, kinds of files, cities and common questions.
Related guides: Marion County public records, Marion County arrest records, Marion County warrants, Marion County inmate search, Marion County criminal records, Illinois arrest records and Illinois inmate search.
The Courts That Hear Cases from Marion County
In Marion County, the Circuit Court of Marion County hears every civil, criminal, family, probate, traffic and juvenile case.
Divorces go to the Circuit Court's domestic relations division, and the file stays with the Circuit Clerk.
The Circuit Clerk keeps the files, and a copy of anything in a file comes from that office, under the court's own rules rather than the Illinois Freedom of Information Act.
Looking Up a Case from Marion County
For Marion County, SearchSystems opened and checked the court records page for the county at marioncountyil.gov/circuit-clerk/links-resources (page title: Links & Resources | Marion County, Illinois), which answered when SearchSystems opened it on September 23, 2026.
Illinois has no single public index of every trial court case; each court's records are looked up through that court.
The Illinois court page SearchSystems verified is at illinoiscourts.gov.
What Reaches the Court from Marion County
Together, the six agencies in Marion County with all twelve months of 2025 on file reported 2,313 arrests to the FBI that year; the State's Attorney decides which of those arrests become cases in the Circuit Court of Marion County.
The State's Attorney's page SearchSystems verified is at marioncountyil.gov/states-attorney (page title: State’s Attorney | Marion County, Illinois), phone (618) 548-3860, Monday - Friday 8:00am - 4:00pm, which answered when SearchSystems opened it on September 23, 2026.
The Kinds of Court Files
Criminal cases, divorces, traffic tickets and evictions all end up as files of these courts, and the file is what the public sees of each.
The other Marion County guides take the kinds of file one at a time: Marion County criminal records, Marion County divorce records, Marion County traffic tickets, Marion County DUI and Marion County property records.
Cities in Marion County
Wherever in the county a case arises, it is filed in the Circuit Court of Marion County.
The cities and towns in the county are Centralia, Salem, Sandoval, Central City, Odin, Kinmundy, Junction City, Patoka, Iuka, Alma, Kell, Vernon and Walnut Hill.
Frequently Asked Questions
How do I look up a court case in Marion County?
The court records page SearchSystems verified for the county is at marioncountyil.gov.
Which court hears felonies in Marion County?
The Circuit Court of Marion County, which hears every civil, criminal, family, probate, traffic and juvenile case.
Who keeps the court records in Marion County?
The Circuit Clerk. Copies come from that office under the court's own rules.
Is there a statewide court case search in Illinois?
No. Each court's records are looked up through that court.
Is this the official Marion County website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official county, court and state offices described above and does not hold records, charge for them or take requests.