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.
Lemhi County, Idaho, has about 8,400 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Lemhi County is held at the county jail, run by the Lemhi 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: Lemhi County public records, Lemhi County arrest records, Lemhi County warrants, Lemhi County criminal records, Lemhi County court records, Idaho arrest records and Idaho inmate search.
Finding Someone in Custody in Lemhi County
A person kept in custody after an arrest in Lemhi County is held at the county jail, run by the Lemhi County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Lemhi County Sheriff's Office at lemhicountyidaho.org/222/Sheriff (page title: Sheriff | Lemhi County, ID), phone 208-742-1680, 206 Courthouse Dr. Salmon, ID 83467, Monday through Friday: 7 am to 5 pm., 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 208-742-1680.
The Lemhi County Jail by the Numbers
On an average day in 2019 the jail held about 12 people. Its rated capacity in 2019 was 22 beds, and it ran at 55 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Lemhi County has about 8,400 residents (2024 Census Bureau estimate), so the jail holds about 14 people for every 10,000 residents.
Who Books People Into the Lemhi County Jail
The Lemhi County Sheriff's Office and the agency that reports for Salmon make the arrests that end in a booking in Lemhi County.
The largest arrest counts reported to the FBI were the Lemhi County Sheriff's Office's 77 for 2025 and Salmon's 48 for 2024.
Together, the two agencies in Lemhi County with all twelve months of 2024 on file reported 94 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 Lemhi 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 Lemhi County serves the sentence in a facility of the Idaho Department of Correction, whose inmate locator is at idoc.idaho.gov/content/prisons/resident-client-search.
Frequently Asked Questions
How do I find an inmate in Lemhi County?
Ask the Lemhi County Sheriff's Office at 208-742-1680; its jail page SearchSystems verified is at lemhicountyidaho.org/222/Sheriff.
How many people are in the Lemhi County jail?
About 12 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 22 beds.
What is the phone number for the Lemhi County jail?
208-742-1680, the number on the page of the Lemhi County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Lemhi County go?
To a facility of the Idaho Department of Correction; its inmate locator is at idoc.idaho.gov.
Is this the official Lemhi 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.