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 2, 2026.
Marion County, Missouri, has about 28,000 residents (2024 Census Bureau estimate). Its court cases are filed in the Marion County Circuit Court, 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, Missouri arrest records and Missouri inmate search.
The Courts That Hear Cases from Marion County
Court cases from Marion County are filed in the Marion County Circuit Court, which hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
A city with a municipal divisions of its own tries the tickets written under its ordinances.
Divorces go to the Circuit Court, 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 Missouri Sunshine Law.
Looking Up a Case from Marion County
For Marion County, SearchSystems opened and checked the court records page for the county at courts.mo.gov/cnet (page title: Casenet | Missouri Courts | MO.gov), a site that blocks automated checks (HTTP 403), so open it in a browser.
Statewide, Case.net is the Missouri courts' free statewide case search.
The Missouri court page SearchSystems verified is at courts.mo.gov.
What Reaches the Court from Marion County
Together, the two agencies in Marion County with all twelve months of 2024 on file reported 580 arrests to the FBI that year; the Prosecuting Attorney decides which of those arrests become cases in the Marion County Circuit Court.
The Prosecuting Attorney's page SearchSystems verified is at marioncounty-mo.gov/departments/prosecuting-attorney (page title: Prosecuting Attorney | Marion County, Missouri), phone (573) 221-0146, Monday through Friday. 8:00 a.m. to 12:00 p.m., which answered when SearchSystems opened it on September 23, 2026.
The Kinds of Court Files
The court file is one record with several readers: a criminal case from the arrest to the sentence, a divorce from the petition to the judgment, a traffic ticket from the citation to the conviction the court reports to the Missouri Department of Revenue Driver License Bureau, and an eviction or a lien on land.
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 Marion County Circuit Court; tickets under a city's own ordinances go to its municipal divisions where it has one.
SearchSystems has a guide to the offices of these cities in Marion County, with the 2024 Census Bureau population; a city with its own court records guide opens there:
- Hannibal (16,809)
Frequently Asked Questions
How do I look up a court case in Marion County?
Through Case.net, the Missouri courts' free statewide case search.
Which court hears felonies in Marion County?
The Marion County Circuit Court, which hears every civil, criminal, family, probate and juvenile case, with associate circuit judges taking misdemeanors, traffic and small claims.
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 Missouri?
Yes: Case.net, the Missouri courts' free statewide case search.
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.