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 October 2, 2026.
Marion County, Ohio, has about 65,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Marion County is held at the county jail, run by the Marion 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: Marion County public records, Marion County arrest records, Marion County warrants, Marion County criminal records, Marion County court records, Ohio arrest records and Ohio inmate search.
Finding Someone in Custody in Marion County
The county jail, run by the Marion County Sheriff's Office, holds everyone kept in custody after an arrest in Marion County, from every agency.
SearchSystems opened and checked the jail page of the Marion County Sheriff's Office at indy.gov/agency/marion-county-sheriffs-office, which answered when SearchSystems opened it on September 30, 2026.
That page is the office's jail information page rather than a roster.
The Marion County Jail by the Numbers
On an average day in 2023 the jail held about 150 people, up from about 140 in 2019. Its rated capacity in 2023 was 166 beds, and it ran at 92 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Marion County has about 65,000 residents (2024 Census Bureau estimate), so the jail holds about 23 people for every 10,000 residents.
Who Books People Into the Marion County Jail
The Marion County Sheriff's Office and the agency that reports for Marion make the arrests that end in a booking in Marion County.
The FBI's agency list also places one more agency in Marion County: Ohio State University at Marion (campus police).
The largest arrest counts reported to the FBI were Marion's 1,266 for 2025 and the Marion County Sheriff's Office's 468 for 2025.
Together, the two agencies in Marion County with all twelve months of 2025 on file reported 1,734 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 Marion County 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 Marion County serves the sentence in a facility of the Ohio Department of Rehabilitation and Correction, whose inmate locator is at appgateway.drc.ohio.gov/OffenderSearch.
Frequently Asked Questions
How do I find an inmate in Marion County?
Ask the Marion County Sheriff's Office; its jail page SearchSystems verified is at indy.gov/agency/marion-county-sheriffs-office.
How many people are in the Marion County jail?
About 150 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 166 beds.
Where do people sentenced to prison in Marion County go?
To a facility of the Ohio Department of Rehabilitation and Correction; its inmate locator is at appgateway.drc.ohio.gov/OffenderSearch.
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.