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 October 1, 2026.
Dallam County, Texas, has about 7,500 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Dallam County is held at the county jail, run by the Dallam 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: Dallam County public records, Dallam County arrest records, Dallam County warrants, Dallam County police reports, Dallam County property records, Texas arrest records and Texas inmate search.
Finding Someone in Custody in Dallam County
The county jail, run by the Dallam County Sheriff's Office, holds everyone kept in custody after an arrest in Dallam County, from every agency.
SearchSystems opened and checked the jail page of the Dallam County Sheriff's Office at dallam.org/county/sheriff.shtml (page title: County Sheriff), phone (806) 244-2313, which answered when SearchSystems opened it on September 23, 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 (806) 244-2313.
The Dallam County Jail by the Numbers
So far in 2026 the jail has held about 20 people on an average day, down from about 22 in 2019. Its rated capacity is 51 beds, and it is running at 39 percent of it. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Dallam County has about 7,500 residents (2024 Census Bureau estimate), so the jail holds about 27 people for every 10,000 residents.
Who Books People Into the Dallam County Jail
The Dallam County Sheriff's Office and the agency that reports for Dalhart make the arrests that end in a booking in Dallam County.
The largest arrest counts reported to the FBI were Dalhart's 46 for 2024 and the Dallam County Sheriff's Office's 1 for 2025.
Together, the two agencies in Dallam County with all twelve months of 2024 on file reported 48 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 Dallam 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 Dallam 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 Dallam County?
Ask the Dallam County Sheriff's Office at (806) 244-2313; its jail page SearchSystems verified is at dallam.org/county/sheriff.shtml.
How many people are in the Dallam County jail?
About 20 on an average day so far in 2026, against a rated capacity of 51 beds.
What is the phone number for the Dallam County jail?
(806) 244-2313, the number on the page of the Dallam County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Dallam 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 Dallam 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.