Reviewed and updated October 11, 2026 by the SearchSystems.net editorial team. The arrest and crime 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 11, 2026.
Marquette County, Michigan, has about 68,000 residents (2024 Census Bureau estimate). In Michigan the public criminal record is the court file, kept by the County Clerk; the statewide criminal history kept by the Michigan State Police is open to anyone who asks. This guide says where each record of a criminal case from Marquette County is kept and how it is seen.
This guide covers the court file, the statewide record, local arrest records, the crimes behind the records, the prosecutor, sex offender registry, records requests and common questions.
Related guides: Marquette County public records, Marquette County arrest records, Marquette County warrants, Marquette County inmate search, Marquette County court records, Michigan arrest records and Michigan inmate search.
Criminal Cases in the Marquette County Circuit Court
In Michigan the public criminal record is the court file. Criminal cases from Marquette County are heard by the Marquette County Circuit Court, which hears felonies, civil cases over $25,000, divorces and family matters; the District Court takes misdemeanors, traffic cases, small claims and civil cases up to $25,000, and the file of each case is kept by the County Clerk.
For Marquette County, SearchSystems opened and checked the court records page for the county at sado.org/Community/Circuit/25 (page title: SADO | Community | 25th Circuit Court), phone 906.225.8205, 234 W. Baraga Ave. Marquette, MI 49855, Mon-Fri 8-5 PM, which answered when SearchSystems opened it on October 11, 2026.
Statewide, MiCOURT Case Search is the Michigan courts' statewide case search; not every court has joined.
The Michigan Criminal History and Your Own Copy
Michigan is one of the states that lets anyone look up another person's statewide criminal history: ICHAT lets anyone search public criminal history by name, for $10 a search, through the Michigan State Police. The result is the repository record, what agencies reported to the state, which is wider than one county's court index but can lag it. The search is on the Michigan State Police site.
Arrest Records Kept Locally in Marquette County
The Marquette County Sheriff's Office and the agencies that report for Marquette, Ishpeming (township), Ishpeming and Negaunee keep the arrest records in Marquette County: the report and the booking record of each arrest stay with the agency that made it, separate from the court file and from the state repository.
The FBI's agency list also places these agencies in Marquette County: Northern Michigan University (campus police); the Marquette County State Police (state police); each keeps the records of its own arrests.
Together, the six agencies in Marquette County with all twelve months of 2025 on file reported 1,090 arrests to the FBI that year; how each case ended is in the court file, not in the arresting agency's.
The agencies and their counts, year by year, are in Marquette County arrest records.
The Crimes Behind the Records: Marquette County in 2025
The six agencies in Marquette County with all twelve months of 2025 on file reported 106 violent and 293 property crimes to the FBI that year; the same agencies with both 2025 and 2024 complete reported 399 crimes in 2025 against 470 in 2024. Each reported crime is a report on file with the agency that took it, and each arrest that follows is the start of a criminal record.
The full crime section, agency by agency, is on the Marquette County public records guide.
The Prosecuting Attorney for Marquette County
Charges in Marquette County are filed by the Prosecuting Attorney, which reviews the arrests of every agency in the county and brings the cases in the Marquette County Circuit Court or the District Court.
The office's page SearchSystems verified is at co.marquette.mi.us/departments/prosecutor_s_office/index.php (page title: Prosecutor's Office), phone (906) 225-8310, which answered when SearchSystems opened it on September 23, 2026.
The Sex Offender Registry for Marquette County
Registered sex offenders living in Marquette County are listed on the Michigan Public Sex Offender Registry, run by the Michigan State Police at michigan.gov/msp/services/sex-offender-reg. Tier 2 and Tier 3 offenders are listed online.
Registration itself is done in person with the local agency where the registrant lives: the sheriff's office, or the city police in a city with its own department.
Asking an Agency in Marquette County for a Record
An arrest report, a booking record or a local criminal history letter comes from the agency that holds it, not from the court.
Under the Michigan Freedom of Information Act a county office must answer a request within 5 business days, with a 10-day extension, and it may charge labor and copying, at rates the law caps.
Frequently Asked Questions
Are criminal records public in Marquette County?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Michigan State Police: ICHAT lets anyone search public criminal history by name, for $10. The arrest report itself is released by the agency that made the arrest, under the Michigan Freedom of Information Act.
Can I search Marquette County criminal cases online?
The court records page SearchSystems verified for the county is at sado.org/Community/Circuit/25 (page title: SADO | Community | 25th Circuit Court). Statewide, MiCOURT Case Search is the Michigan courts' statewide case search; not every court has joined.
How do I get my own Michigan criminal history?
Through the same ICHAT search, run on yourself.
Who prosecutes crimes in Marquette County?
The Prosecuting Attorney, reached at (906) 225-8310, which files its cases in the Marquette County Circuit Court or the District Court.
Is this the official Marquette 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.