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 October 1, 2026.
Valley County, Idaho, has about 13,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Valley County is held at the county jail, run by the Valley 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: Valley County public records, Valley County arrest records, Valley County warrants, Valley County criminal records, Valley County court records, Idaho arrest records and Idaho inmate search.
Finding Someone in Custody in Valley County
The county jail, run by the Valley County Sheriff's Office, holds everyone kept in custody after an arrest in Valley County, from every agency.
SearchSystems opened and checked the jail page of the Valley County Sheriff's Office at valleycountyid.gov/departments/Jail (page title: Official Website of Valley County, Idaho | Detention Facility), phone (208) 382-7168, 911 Location 107 W. Spring Street Cascade, ID 83611, which answered when SearchSystems opened it on October 1, 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) 382-7168.
The Valley County Jail by the Numbers
On an average day in 2019 the jail held about 42 people. Its rated capacity in 2019 was 65 beds, and it ran at 65 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Valley County has about 13,000 residents (2024 Census Bureau estimate), so the jail holds about 33 people for every 10,000 residents.
Who Books People Into the Valley County Jail
The Valley County Sheriff's Office and the agency that reports for McCall make the arrests that end in a booking in Valley County.
The largest arrest counts reported to the FBI were the Valley County Sheriff's Office's 161 for 2025 and McCall's 69 for 2025.
Together, the two agencies in Valley County with all twelve months of 2025 on file reported 230 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 Valley 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 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 Valley County?
Ask the Valley County Sheriff's Office at (208) 382-7168; its jail page SearchSystems verified is at valleycountyid.gov/departments/Jail.
How many people are in the Valley County jail?
About 42 on an average day in 2019, the latest year in the Vera Institute's jail data, against a rated capacity of 65 beds.
What is the phone number for the Valley County jail?
(208) 382-7168, the number on the page of the Valley County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Valley County go?
To a facility of the Idaho Department of Correction; its inmate locator is at idoc.idaho.gov.
Is this the official Valley 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.