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 24, 2026 and October 2, 2026.
St. Martin Parish, Louisiana, has about 51,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in St. Martin Parish is held at the parish jail, run by the St. Martin Parish 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: St. Martin Parish public records, St. Martin Parish arrest records, St. Martin Parish warrants, St. Martin Parish police reports, St. Martin Parish property records, Louisiana arrest records and Louisiana inmate search.
Finding Someone in Custody in St. Martin Parish
The parish jail, run by the St. Martin Parish Sheriff's Office, holds everyone kept in custody after an arrest in St. Martin Parish, from every agency.
SearchSystems opened and checked the jail page of the St. Martin Parish Sheriff's Office at stmartinsheriff.org/correctional/corrections-parish-jail-st-martinv... (page title: Corrections (Parish Jail | St. Martinville) | St Martin Parish Sheriff), which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster.
The St. Martin Parish Jail by the Numbers
On an average day in 2023 the jail held about 190 people, up from about 180 in 2019. Its rated capacity in 2023 was 186 beds, and it ran at 103 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
St. Martin Parish has about 51,000 residents (2024 Census Bureau estimate), so the jail holds about 37 people for every 10,000 residents.
Who Books People Into the St. Martin Parish Jail
The St. Martin Parish Sheriff's Office and the agencies that report for Breaux Bridge and St. Martinville make the arrests that end in a booking in St. Martin Parish.
The Broussard Police Department and the Arnaudville Police Department are each listed by the FBI across several counties including St. Martin Parish, so their arrests are not broken out for St. Martin Parish here.
The largest arrest counts reported to the FBI were St. Martinville's 1,152 for 2025, the St. Martin Parish Sheriff's Office's 564 for 2025 and Breaux Bridge's 485 for 2019.
Together, the two agencies in St. Martin Parish with all twelve months of 2025 on file reported 1,716 arrests to the FBI that year. Those kept in custody were booked into the parish jail; a person cited and released at the scene was not.
The counts, agency by agency and year by year, are in St. Martin Parish 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 St. Martin Parish serves the sentence in a facility of the Louisiana Department of Public Safety and Corrections, whose inmate locator is at doc.la.gov.
Frequently Asked Questions
How do I find an inmate in St. Martin Parish?
Ask the St. Martin Parish Sheriff's Office; its jail page SearchSystems verified is at stmartinsheriff.org.
How many people are in the St. Martin Parish jail?
About 190 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 186 beds.
Where do people sentenced to prison in St. Martin Parish go?
To a facility of the Louisiana Department of Public Safety and Corrections; its inmate locator is at doc.la.gov.
Is this the official St. Martin Parish website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official parish, court and state offices described above and does not hold records, charge for them or take requests.