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.
Boise County, Idaho, has about 8,600 residents (2024 Census Bureau estimate), and arrests there are reported to the FBI by the Boise County Sheriff's Office and one city agency. An arrest leaves the same records whoever makes it: the arresting agency's report, the record of anyone held at the county jail, and, if the Prosecuting Attorney files charges, a case in the Boise County District Court. This guide says who keeps each one, what it costs and who may see it, with the arrest counts each agency reported.
This guide covers who makes arrests, how many arrests, booking and the jail, finding an arrest, copies, cities and common questions.
Related guides: Boise County public records, Idaho arrest records, Idaho inmate search and Idaho criminal records.
Who Makes Arrests in Boise County
The Boise County Sheriff's Office is the county agency that reports arrests to the FBI for Boise County. It reported 152 arrests for 2025.
The FBI lists one city in Boise County with a reporting agency of its own:
- Idaho City, 536 residents: 13 arrests reported for 2020.
A city on that list is reported separately whether the officers are the city's own or the sheriff's under contract; the FBI's list does not say which.
How Many Arrests The Boise County Sheriff's Office Reports
Each agency reports its arrests to the FBI by month, and the FBI publishes them on the Crime Data Explorer. These are the full-year totals, all offenses, as the FBI held them on October 8, 2026; a year with months missing or not reported is left out.
- Boise County Sheriff's Office: 152 for 2025, 158 for 2024, 170 for 2023, 147 for 2022, 122 for 2021 and 154 for 2020.
- Idaho City: 13 for 2020.
The Boise County Sheriff's Office's 152 arrests in 2025 were down 3.8 percent from 158 in 2024.
Through May 2026, Boise County Sheriff's Office reported 56 arrests, against 51 in the same months of 2025.
Booking: Where People Arrested in Boise County Are Held
The county jail is where a person arrested in Boise County and kept in custody ends up, whichever agency made the arrest, though a city department may hold someone in its own cells first and a person cited and released at the scene is never booked. The jail's record of each person held, with the charges, is a public record of the arrest, and once the person is released or sentenced the record continues in the court file.
On an average day in 2024 the jail held about 14 people, down from about 14 in 2019. Its rated capacity in 2023, the last year with a capacity figure, was 17 beds, and it ran at 82 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
SearchSystems opened and checked the jail page of the Boise County Sheriff's Office at boisecounty.us/sheriffs-office (page title: Sheriff’s Office | Boise County), phone (208)392-4411, 3851 Highway 21 P.O. Box 189 Idaho City, ID 83631, a site that blocks automated checks (HTTP 403), so open it in a browser.
A person sentenced to prison 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.
How to Find Out About an Arrest in Boise County
For Boise County the place to look is iCourt Portal, the Idaho courts' free statewide case search, which shows whether charges were filed.
Idaho is one of the states that lets anyone look up another person's statewide criminal history: name-based conviction checks are open to the public, through the Idaho State Police Bureau of Criminal Identification. That record shows what agencies reported to the state, which is wider than one county's court index but can lag it.
Getting a Copy of an Arrest Record in Boise County
An arrest report belongs to the agency whose officer wrote it, and that agency releases it, not the court or the jail. Under the Idaho Public Records Act the agency must answer within 3 working days, or 10 when more time is needed, and it may charge copying after the first 100 pages and labor after the first two hours.
- An arrest by the Boise County Sheriff's Office: ask its records unit, reached through the office at (208)392-4411.
- An arrest in Idaho City: the records unit of the agency that reports for that city.
- Your own statewide record: a fingerprint-based request to the Bureau of Criminal Identification.
The other Boise County guides go further: warrants, inmate search and police reports.
Cities in Boise County: Who Reports the Arrests
The FBI lists a separate arrest reporting agency for one of the four cities in Boise County: Idaho City. Horseshoe Bend, Crouch and Placerville have no separate reporting agency in the FBI's list.
Wherever in the county the arrest happens, a person kept in custody goes to the county jail and the case goes to the Boise County District Court.
Frequently Asked Questions
How many arrests are made in Boise County each year?
The Boise County Sheriff's Office reported 152 arrests to the FBI for 2025, its latest full year.
Where are people arrested in Boise County booked?
Those kept in custody go to the county jail, run by the Boise County Sheriff's Office; a person cited and released at the scene is not booked.
Are arrest records public in Boise County?
The court files of criminal cases are public, and so is the statewide criminal history kept by the Idaho State Police Bureau of Criminal Identification: name-based conviction checks are open to the public. The arrest report itself is released by the agency that made the arrest, under the Idaho Public Records Act.
How do I get a copy of an arrest report in Boise County?
From the agency that made the arrest: the Boise County Sheriff's Office for its own arrests, or the agency that reports for the city where it happened. Under the Idaho Public Records Act the answer is due within 3 working days, or 10 when more time is needed.
Is this the official Boise 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.