Reviewed and updated October 11, 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 11, 2026.
Atascosa County, Texas, has about 53,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Atascosa County is held at the county jail, run by the Atascosa 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: Atascosa County public records, Atascosa County arrest records, Atascosa County warrants, Atascosa County criminal records, Atascosa County court records, Texas arrest records and Texas inmate search.
Finding Someone in Custody in Atascosa County
The county jail, run by the Atascosa County Sheriff's Office, holds everyone kept in custody after an arrest in Atascosa County, from every agency.
SearchSystems opened and checked the jail page of the Atascosa County Sheriff's Office at co.atascosa.tx.us/county-sheriff (page title: County Sheriff | Atascosa County), phone 830-769-3434, 1108 Campbell Avenue Jourdanton, TX 78026, Monday - Friday 9:00 a.m. - 5:00 p.m., which answered when SearchSystems opened it on October 11, 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 830-769-3434.
The Atascosa County Jail by the Numbers
So far in 2026 the jail has held about 230 people on an average day, up from about 150 in 2019. Its rated capacity is 250 beds, and it is running at 92 percent of it. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Atascosa County has about 53,000 residents (2024 Census Bureau estimate), so the jail holds about 43 people for every 10,000 residents.
Who Books People Into the Atascosa County Jail
The Atascosa County Sheriff's Office and the agencies that report for Pleasanton, Jourdanton, Lytle and Poteet make the arrests that end in a booking in Atascosa County.
The FBI's agency list also places these agencies in Atascosa County: the Pleasanton Independent School District and the Poteet Independent School District (other agency).
The largest arrest counts reported to the FBI were Pleasanton's 607 for 2025, the Atascosa County Sheriff's Office's 543 for 2025 and Lytle's 187 for 2025.
Together, the five agencies in Atascosa County with all twelve months of 2025 on file reported 1,456 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 Atascosa 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 Atascosa 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 Atascosa County?
Ask the Atascosa County Sheriff's Office at 830-769-3434; its jail page SearchSystems verified is at co.atascosa.tx.us/county-sheriff.
How many people are in the Atascosa County jail?
About 230 on an average day so far in 2026, against a rated capacity of 250 beds.
What is the phone number for the Atascosa County jail?
830-769-3434, the number on the page of the Atascosa County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Atascosa 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 Atascosa 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.