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 26, 2026.
Las Vegas, New Mexico, in San Miguel County, has about 13,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Las Vegas is held at the county jail, run by the San Miguel 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: Las Vegas public records, San Miguel County inmate search, Las Vegas arrest records, Las Vegas warrants, Las Vegas criminal records, Las Vegas court records, New Mexico arrest records and New Mexico inmate search.
Finding Someone in Custody in Las Vegas
A person kept in custody after an arrest in Las Vegas is held at the county jail, run by the San Miguel County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the San Miguel County Sheriff's Office at co.sanmiguel.nm.us/departments/sheriffs_office/index.php (page title: San Miguel County NM), phone (505) 425-7589, 1224 Railroad Ave. Las Vegas, NM 87701, Monday - Friday 8:00 a.m. - 5:00 p.m., 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 (505) 425-7589.
The San Miguel County Jail by the Numbers
On an average day in 2023 the jail held about 89 people, up from about 79 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 135 beds, and it ran at 58 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
San Miguel County has about 26,000 residents (2024 Census Bureau estimate), so the jail holds about 34 people for every 10,000 residents.
Who Books People Into the San Miguel County Jail
The San Miguel County Sheriff's Office and the agency that reports for Las Vegas (filed by the FBI as Las Vegas Police Department) make the arrests that end in a booking in and around Las Vegas.
The FBI's agency list also places one more agency in San Miguel County: New Mexico Highlands University (campus police).
The largest arrest counts reported to the FBI were Las Vegas's 618 for 2025 and the San Miguel County Sheriff's Office's 41 for 2025.
Together, the two agencies in San Miguel County with all twelve months of 2025 on file reported 659 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 Las Vegas 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 San Miguel County serves the sentence in a facility of the New Mexico Corrections Department, whose inmate locator is at cd.nm.gov.
Frequently Asked Questions
How do I find an inmate in Las Vegas?
Ask the San Miguel County Sheriff's Office at (505) 425-7589; its jail page SearchSystems verified is at co.sanmiguel.nm.us.
How many people are in the San Miguel County jail?
About 89 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 135 beds.
What is the phone number for the San Miguel County jail?
(505) 425-7589, the number on the page of the San Miguel County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in San Miguel County go?
To a facility of the New Mexico Corrections Department; its inmate locator is at cd.nm.gov.
Is this the official Las Vegas website?
No. SearchSystems.net is an independent public records guide, online since 1997. It links to the official city, county, court and state offices described above and does not hold records, charge for them or take requests.