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.
Burley, Idaho, in Cassia County, has about 12,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Burley is held at the county jail, run by the Cassia 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: Burley public records, Cassia County inmate search, Burley arrest records, Burley warrants, Burley criminal records, Burley court records, Idaho arrest records and Idaho inmate search.
Finding Someone in Custody in Burley
The county jail, run by the Cassia County Sheriff's Office, holds everyone kept in custody after an arrest in Burley, from every agency.
SearchSystems opened and checked the jail page of the Cassia County Sheriff's Office at cassia.gov/departments/COUNTYSHERIFF/WhoHasBeenBooked (page title: Cassia County Idaho | Who Has Been Booked), phone 208-878-2251, 129 East 14th Street Burley, ID 83318, 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 208-878-2251.
The Cassia County Jail by the Numbers
On an average day in 2023 the jail held about 81 people, up from about 80 in 2019. Its rated capacity in 2023 was 91 beds, and it ran at 89 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Cassia County has about 26,000 residents (2024 Census Bureau estimate), so the jail holds about 31 people for every 10,000 residents.
Who Books People Into the Cassia County Jail
The Cassia County Sheriff's Office makes the arrests that end in a booking in and around Burley.
The Cassia County Sheriff's Office reported 118 arrests to the FBI for 2025. 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 Burley arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Idaho Department of Correction lists its inmates at idoc.idaho.gov/content/prisons/resident-client-search.
Frequently Asked Questions
How do I find an inmate in Burley?
Ask the Cassia County Sheriff's Office at 208-878-2251; its jail page SearchSystems verified is at cassia.gov.
How many people are in the Cassia County jail?
About 81 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 91 beds.
What is the phone number for the Cassia County jail?
208-878-2251, the number on the page of the Cassia County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Cassia County go?
To a facility of the Idaho Department of Correction; its inmate locator is at idoc.idaho.gov.
Is this the official Burley 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.