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.
Iosco County, Michigan, has about 25,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Iosco County is held at the county jail, run by the Iosco 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: Iosco County public records, Iosco County arrest records, Iosco County warrants, Iosco County criminal records, Iosco County court records, Michigan arrest records and Michigan inmate search.
Finding Someone in Custody in Iosco County
The county jail, run by the Iosco County Sheriff's Office, holds everyone kept in custody after an arrest in Iosco County, from every agency.
SearchSystems opened and checked the jail page of the Iosco County Sheriff's Office at iosco.net/sheriffs-office/jail-information (page title: Iosco County Jail | Iosco County, MI), which answered when SearchSystems opened it on September 23, 2026.
That page is the office's jail information page rather than a roster.
The Iosco County Jail by the Numbers
On an average day in 2020 the jail held about 38 people, down from about 56 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 63 beds, and it ran at 89 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Iosco County has about 25,000 residents (2024 Census Bureau estimate), so the jail holds about 15 people for every 10,000 residents.
Who Books People Into the Iosco County Jail
The Iosco County Sheriff's Office and the agencies that report for East Tawas and Tawas City make the arrests that end in a booking in Iosco County.
The FBI's agency list also places one more agency in Iosco County: the Iosco County State Police (state police).
The largest arrest counts reported to the FBI were Oscoda Township's 127 for 2025, the Iosco County Sheriff's Office's 17 for 2025 and Tawas City's 16 for 2025.
Together, the three agencies in Iosco County with all twelve months of 2025 on file reported 160 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 Iosco County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Michigan Department of Corrections lists its inmates at mdocweb.state.mi.us/otis2.
Frequently Asked Questions
How do I find an inmate in Iosco County?
Ask the Iosco County Sheriff's Office; its jail page SearchSystems verified is at iosco.net/sheriffs-office/jail-information.
How many people are in the Iosco County jail?
About 38 on an average day in 2020, the latest year in the Vera Institute's jail data, against a rated capacity of 63 beds.
Where do people sentenced to prison in Iosco 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 Iosco 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.