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 24, 2026.
Marengo County, Alabama, has about 19,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Marengo County is held at the county jail, run by the Marengo 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 and common questions.
Related guides: Marengo County public records, Marengo County arrest records, Marengo County warrants, Marengo County criminal records, Marengo County court records, Alabama arrest records and Alabama inmate search.
Finding Someone in Custody in Marengo County
A person kept in custody after an arrest in Marengo County is held at the county jail, run by the Marengo County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Marengo County Sheriff's Office at marengosheriff.com/jailinfo.php (page title: Marengo County Sheriff's Office), phone (334) 295-4208, which answered when SearchSystems opened it on September 24, 2026.
That page is the office's jail information page rather than a roster, so a search for a particular person goes through the office at (334) 295-4208.
The Marengo County Jail by the Numbers
On an average day in 2019 the jail held about 39 people. Its rated capacity in 2019 was 120 beds, and it ran at 32 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Marengo County has about 19,000 residents (2024 Census Bureau estimate), so the jail holds about 21 people for every 10,000 residents.
Who Books People Into the Marengo County Jail
The Marengo County Sheriff's Office and the agencies that report for Demopolis, Linden, Thomaston, Sweet Water and Faunsdale make the arrests that end in a booking in Marengo County.
The FBI's agency list also places one more agency in Marengo County: 17th Judicial Circuit Drug Task Force (other agency).
The largest arrest counts reported to the FBI were Demopolis's 469 for 2025, Linden's 125 for 2025 and the Marengo County Sheriff's Office's 31 for 2025.
Together, the three agencies in Marengo County with all twelve months of 2025 on file reported 625 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 Marengo County arrest records.
Frequently Asked Questions
How do I find an inmate in Marengo County?
Ask the Marengo County Sheriff's Office at (334) 295-4208; its jail page SearchSystems verified is at marengosheriff.com/jailinfo.php.
How many people are in the Marengo County jail?
About 39 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 120 beds.
What is the phone number for the Marengo County jail?
(334) 295-4208, the number on the page of the Marengo County Sheriff's Office SearchSystems verified.
Is this the official Marengo 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.