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. The jail figures are from the Vera Institute of Justice's Incarceration Trends data. Every office link was opened and checked against the office's own site between September 23, 2026 and September 30, 2026.
Iron Mountain, Michigan, in Dickinson County, has about 7,500 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Iron Mountain is held at the county jail, run by the Dickinson County Sheriff's Office, and the jail's record of each person held is a public record. This guide says where to look for someone in custody, what the jail holds and who books people into it.
This guide covers the search, the jail, who books people, state prison and common questions.
Related guides: Iron Mountain public records, Dickinson County inmate search, Iron Mountain arrest records, Iron Mountain warrants, Iron Mountain criminal records, Iron Mountain court records, Michigan arrest records and Michigan inmate search.
Finding Someone in Custody in Iron Mountain
The county jail, run by the Dickinson County Sheriff's Office, holds everyone kept in custody after an arrest in Iron Mountain, from every agency.
SearchSystems opened and checked the jail page of the Dickinson County Sheriff's Office at dickinsoncountymi.gov/government/county_departments/sheriffs_depart... (page title: Welcome to Dickinson County, MI), phone (906) 774-6262, 705 S. Stephenson Ave. Iron Mountain MI 49801, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at (906) 774-6262.
The Dickinson County Jail by the Numbers
On an average day in 2020 the jail held about 48 people, down from about 70 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 71 beds, and it ran at 99 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Dickinson County has about 26,000 residents (2024 Census Bureau estimate), so the jail holds about 19 people for every 10,000 residents.
Who Books People Into the Dickinson County Jail
The Dickinson County Sheriff's Office and the agency that reports for Iron Mountain (filed by the FBI as Iron Mountain Police Department) make the arrests that end in a booking in and around Iron Mountain.
The FBI's agency list also places one more agency in Dickinson County: the Dickinson County State Police (state police).
The largest arrest counts reported to the FBI were the Dickinson County Sheriff's Office's 13 for 2020, Kingsford's 11 for 2020 and Iron Mountain's 9 for 2020.
Together, the four agencies in Dickinson County with all twelve months of 2020 on file reported 38 arrests to the FBI that year. Those kept in custody were booked into the county jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in Iron Mountain arrest records.
From the Jail to State Prison
The jail holds people awaiting trial and people serving short sentences. A person sentenced to prison in Dickinson County serves the sentence in a facility of the Michigan Department of Corrections, whose inmate locator is at mdocweb.state.mi.us/otis2.
Frequently Asked Questions
How do I find an inmate in Iron Mountain?
Ask the Dickinson County Sheriff's Office at (906) 774-6262; its jail page SearchSystems verified is at dickinsoncountymi.gov.
How many people are in the Dickinson County jail?
About 48 on an average day in 2020, the latest year in the Vera Institute's jail data, against a rated capacity of 71 beds.
What is the phone number for the Dickinson County jail?
(906) 774-6262, the number on the page of the Dickinson County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Dickinson County go?
To a facility of the Michigan Department of Corrections; its inmate locator is at mdocweb.state.mi.us/otis2.
Is this the official Iron Mountain website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.