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 on September 23, 2026.
Obion County, Tennessee, has about 30,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Obion County is held at the county jail, run by the Obion 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: Obion County public records, Obion County arrest records, Obion County warrants, Obion County criminal records, Obion County court records, Tennessee arrest records and Tennessee inmate search.
Finding Someone in Custody in Obion County
A person kept in custody after an arrest in Obion County is held at the county jail, run by the Obion County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Obion County Sheriff's Office at obioncountysheriff.com (page title: OBION COUNTY SHERIFF), which answered when SearchSystems opened it on September 23, 2026.
That page is the office's jail information page rather than a roster.
The Obion County Jail by the Numbers
On an average day in 2024 the jail held about 150 people, down from about 150 in 2019. Its rated capacity in 2024 was 159 beds, and it ran at 95 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Obion County has about 30,000 residents (2024 Census Bureau estimate), so the jail holds about 50 people for every 10,000 residents.
Who Books People Into the Obion County Jail
The Obion County Sheriff's Office and the agencies that report for Union City, South Fulton, Troy, Obion and Hornbeak make the arrests that end in a booking in Obion County.
The FBI's agency list also places one more agency in Obion County: Drug Task Force's 27th Judicial District (other agency).
The Trimble Police Department and the Kenton Police Department are each listed by the FBI across several counties including Obion County, so their arrests are not broken out for Obion County here.
The largest arrest counts reported to the FBI were Union City's 841 for 2025, the Obion County Sheriff's Office's 513 for 2025 and South Fulton's 86 for 2025.
Together, the three agencies in Obion County with all twelve months of 2025 on file reported 1,440 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 Obion 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 Tennessee Department of Correction lists its inmates at foil.app.tn.gov/foil/search.jsp.
Frequently Asked Questions
How do I find an inmate in Obion County?
Ask the Obion County Sheriff's Office; its jail page SearchSystems verified is at obioncountysheriff.com.
How many people are in the Obion County jail?
About 150 on an average day in 2024, the latest year in the Vera Institute's jail data, against a rated capacity of 159 beds.
Where do people sentenced to prison in Obion County go?
To a facility of the Tennessee Department of Correction; its inmate locator is at foil.app.tn.gov/foil/search.jsp.
Is this the official Obion 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.