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 September 30, 2026.
Dallas County, Alabama, has about 36,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Dallas County is held at the county jail, run by the Dallas 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: Dallas County public records, Dallas County arrest records, Dallas County warrants, Dallas County criminal records, Dallas County court records, Alabama arrest records and Alabama inmate search.
Finding Someone in Custody in Dallas County
A person kept in custody after an arrest in Dallas County is held at the county jail, run by the Dallas County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Dallas County Sheriff's Office at dallascounty-al.org/County-Departments/Sheriffs-Department (page title: Sheriff's Department | County of Dallas, AL), phone (334) 874-2530, 102 Church Street Selma, AL 36702, Monday - Friday 8:00am - 4:30pm, which answered when SearchSystems opened it on September 30, 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) 874-2530.
The Dallas County Jail by the Numbers
On an average day in 2019 the jail held about 140 people. Its rated capacity in 2019 was 137 beds, and it ran at 104 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Dallas County has about 36,000 residents (2024 Census Bureau estimate), so the jail holds about 40 people for every 10,000 residents.
Who Books People Into the Dallas County Jail
The Dallas County Sheriff's Office and the agency that reports for Selma make the arrests that end in a booking in Dallas County.
The FBI's agency list also places one more agency in Dallas County: Wallace Community College at Selma (campus police).
The largest arrest counts reported to the FBI were the Dallas County Sheriff's Office's 161 for 2025 and Selma's 132 for 2025.
Together, the two agencies in Dallas County with all twelve months of 2025 on file reported 293 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 Dallas County arrest records.
Frequently Asked Questions
How do I find an inmate in Dallas County?
Ask the Dallas County Sheriff's Office at (334) 874-2530; its jail page SearchSystems verified is at dallascounty-al.org.
How many people are in the Dallas County jail?
About 140 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 137 beds.
What is the phone number for the Dallas County jail?
(334) 874-2530, the number on the page of the Dallas County Sheriff's Office SearchSystems verified.
Is this the official Dallas 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.