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 23, 2026 and October 2, 2026.
Walla Walla County, Washington, has about 62,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Walla Walla County is held at the county jail, run by the Walla 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: Walla Walla County public records, Walla Walla County arrest records, Walla Walla County warrants, Walla Walla County criminal records, Walla Walla County court records, Washington arrest records and Washington inmate search.
Finding Someone in Custody in Walla Walla County
A person kept in custody after an arrest in Walla Walla County is held at the county jail, run by the Walla County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the custody page of the Walla County Sheriff's Office at portal.ci.walla-walla.wa.us:9843/NewWorld.InmateInquiry/wallawalla (page title: Walla Walla County Jail roster | IIS Windows Server), a site that blocks automated checks (HTTP 503), so open it in a browser.
Someone booked recently shows on that page; someone cited and released at the scene, or held a few hours at a city station, does not.
The Walla Walla County Jail by the Numbers
On an average day in 2021 the jail held about 46 people, down from about 87 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 97 beds, and it ran at 90 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Walla Walla County has about 62,000 residents (2024 Census Bureau estimate), so the jail holds about 7 people for every 10,000 residents.
Who Books People Into the Walla Walla County Jail
The Walla County Sheriff's Office and the agencies that report for Walla Walla and College Place make the arrests that end in a booking in Walla Walla County.
The largest arrest counts reported to the FBI were Walla Walla's 1,022 for 2025, College Place's 409 for 2025 and the Walla County Sheriff's Office's 188 for 2025.
Together, the three agencies in Walla Walla County with all twelve months of 2025 on file reported 1,619 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 Walla Walla 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 Walla Walla County serves the sentence in a facility of the Washington State Department of Corrections, whose inmate locator is at doc.wa.gov/records/incarcerated-data-search/incarcerated-search.
Frequently Asked Questions
How do I find an inmate in Walla Walla County?
Look on the custody page of the Walla County Sheriff's Office at portal.ci.walla-walla.wa.us. It covers people booked into the county jail.
How many people are in the Walla Walla County jail?
About 46 on an average day in 2021, the latest year in the Vera Institute's jail data, against a rated capacity of 97 beds.
Where do people sentenced to prison in Walla Walla County go?
To a facility of the Washington State Department of Corrections; its inmate locator is at doc.wa.gov.
Is this the official Walla Walla 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.