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 28, 2026.
Doña Ana County, New Mexico, has about 229,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Doña Ana County is held at the county jail, run by the Dona Ana 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: Doña Ana County public records, Doña Ana County arrest records, Doña Ana County warrants, Doña Ana County criminal records, Doña Ana County court records, New Mexico arrest records and New Mexico inmate search.
Finding Someone in Custody in Doña Ana County
A person kept in custody after an arrest in Doña Ana County is held at the county jail, run by the Dona Ana County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Dona Ana County Sheriff's Office at apps.donaanacounty.org/www/inmates (page title: DAC JCMS Inmates Online | Doña Ana County), which answered when SearchSystems opened it on September 28, 2026.
That page is the office's jail information page rather than a roster.
The Doña Ana County Jail by the Numbers
On an average day in 2023 the jail held about 610 people, down from about 700 in 2019. Its rated capacity in 2023 was 846 beds, and it ran at 72 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Doña Ana County has about 229,000 residents (2024 Census Bureau estimate), so the jail holds about 27 people for every 10,000 residents.
Who Books People Into the Doña Ana County Jail
The Dona Ana County Sheriff's Office and the agencies that report for Las Cruces, Sunland Park, Anthony, Mesilla and Hatch make the arrests that end in a booking in Doña Ana County.
The FBI's agency list also places one more agency in Doña Ana County: New Mexico State University (campus police).
The largest arrest counts reported to the FBI were Las Cruces's 2,631 for 2024, the Dona Ana County Sheriff's Office's 674 for 2025 and Sunland Park's 196 for 2025.
Together, the three agencies in Doña Ana County with all twelve months of 2025 on file reported 928 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 Doña Ana County arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the New Mexico Corrections Department lists its inmates at cd.nm.gov.
Frequently Asked Questions
How do I find an inmate in Doña Ana County?
Ask the Dona Ana County Sheriff's Office; its jail page SearchSystems verified is at apps.donaanacounty.org/www/inmates.
How many people are in the Doña Ana County jail?
About 610 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 846 beds.
Where do people sentenced to prison in Doña Ana County go?
To a facility of the New Mexico Corrections Department; its inmate locator is at cd.nm.gov.
Is this the official Doña Ana 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.