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.
Lewiston, Idaho, in Nez Perce County, has about 35,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Lewiston is held at the county jail, run by the Nez Perce 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: Lewiston public records, Nez Perce County inmate search, Lewiston arrest records, Lewiston warrants, Lewiston criminal records, Lewiston court records, Idaho arrest records and Idaho inmate search.
Finding Someone in Custody in Lewiston
The county jail, run by the Nez Perce County Sheriff's Office, holds everyone kept in custody after an arrest in Lewiston, from every agency.
SearchSystems opened and checked the custody page of the Nez Perce County Sheriff's Office at co.nezperce.id.us/Elected-Officials/Sheriff/In-Custody (page title: In Custody, Nez Perce County Sheriff), phone 208-799-3132, which answered when SearchSystems opened it on September 24, 2026.
That page is the place to look for someone booked recently. A person cited and released at the scene, or held only a few hours by a city department, will not be on it.
The Nez Perce County Jail by the Numbers
On an average day in 2023 the jail held about 140 people, up from about 120 in 2019. Its rated capacity in 2023 was 165 beds, and it ran at 85 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Nez Perce County has about 43,000 residents (2024 Census Bureau estimate), so the jail holds about 33 people for every 10,000 residents.
Who Books People Into the Nez Perce County Jail
The Nez Perce County Sheriff's Office and the agency that reports for Lewiston (filed by the FBI as Lewiston Police Department) make the arrests that end in a booking in and around Lewiston.
The largest arrest counts reported to the FBI were Lewiston's 1,341 for 2025 and the Nez Perce County Sheriff's Office's 779 for 2025.
Together, the two agencies in Nez Perce County with all twelve months of 2025 on file reported 2,120 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 Lewiston 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 Nez Perce 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 Lewiston?
Look on the custody page of the Nez Perce County Sheriff's Office at co.nezperce.id.us, or call 208-799-3132. It covers people booked into the county jail.
How many people are in the Nez Perce County jail?
About 140 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 165 beds.
What is the phone number for the Nez Perce County jail?
208-799-3132, the number on the page of the Nez Perce County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Nez Perce County go?
To a facility of the Idaho Department of Correction; its inmate locator is at idoc.idaho.gov.
Is this the official Lewiston 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.