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.
Trinity County, Texas, has about 14,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Trinity County is held at the county jail, run by the Trinity 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: Trinity County public records, Trinity County arrest records, Trinity County warrants, Trinity County criminal records, Trinity County court records, Texas arrest records and Texas inmate search.
Finding Someone in Custody in Trinity County
A person kept in custody after an arrest in Trinity County is held at the county jail, run by the Trinity County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Trinity County Sheriff's Office at co.trinity.tx.us/page/trinity.Sheriff.Jail (page title: Trinity County, Texas), 162 West 1st St Groveton, TX 75845, which answered when SearchSystems opened it on September 23, 2026.
That page is the office's jail information page rather than a roster.
The Trinity County Jail by the Numbers
So far in 2026 the jail has held about 5 people on an average day, down from about 7 in 2019. Its rated capacity is 7 beds, and it is running at 71 percent of it. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Trinity County has about 14,000 residents (2024 Census Bureau estimate), so the jail holds about 3 people for every 10,000 residents.
Who Books People Into the Trinity County Jail
The Trinity County Sheriff's Office and the agency that reports for Trinity make the arrests that end in a booking in Trinity County.
The FBI's agency list also places these agencies in Trinity County: the Trinity Independent School District and the Trinity County Constable's Precinct 1 (other agency).
The largest arrest counts reported to the FBI were the Trinity County Sheriff's Office's 197 for 2024 and Trinity's 27 for 2025.
The Trinity County Sheriff's Office reported 302 arrests to the FBI for 2023. 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 Trinity 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 Trinity County serves the sentence in a facility of the Texas Department of Criminal Justice, whose inmate locator is at inmate.tdcj.texas.gov/InmateSearch/start.
Frequently Asked Questions
How do I find an inmate in Trinity County?
Ask the Trinity County Sheriff's Office; its jail page SearchSystems verified is at co.trinity.tx.us/page/trinity.Sheriff.Jail.
How many people are in the Trinity County jail?
About 5 on an average day so far in 2026, against a rated capacity of 7 beds.
Where do people sentenced to prison in Trinity County go?
To a facility of the Texas Department of Criminal Justice; its inmate locator is at inmate.tdcj.texas.gov/InmateSearch/start.
Is this the official Trinity 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.