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 4, 2026.
Franklin County, Washington, has about 101,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Franklin County is held at the county jail, run by the Franklin 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: Franklin County public records, Franklin County arrest records, Franklin County warrants, Franklin County criminal records, Franklin County court records, Washington arrest records and Washington inmate search.
Finding Someone in Custody in Franklin County
A person kept in custody after an arrest in Franklin County is held at the county jail, run by the Franklin County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the custody page of the Franklin County Sheriff's Office at jail.co.franklin.wa.us/InmateList/currentinmatelist.html (page title: Inmate Search), which answered when SearchSystems opened it on October 4, 2026.
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 Franklin County Jail by the Numbers
On an average day in 2021 the jail held about 120 people, down from about 170 in 2019. Its rated capacity in 2019, the last year with a capacity figure, was 320 beds, and it ran at 53 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Franklin County has about 101,000 residents (2024 Census Bureau estimate), so the jail holds about 11 people for every 10,000 residents.
Who Books People Into the Franklin County Jail
The Franklin County Sheriff's Office and the agencies that report for Pasco and Connell make the arrests that end in a booking in Franklin County.
The largest arrest counts reported to the FBI were Pasco's 2,337 for 2025, the Franklin County Sheriff's Office's 165 for 2025 and Connell's 34 for 2025.
Together, the three agencies in Franklin County with all twelve months of 2025 on file reported 2,536 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 Franklin 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 Washington State Department of Corrections lists its inmates at doc.wa.gov/records/incarcerated-data-search/incarcerated-search.
Frequently Asked Questions
How do I find an inmate in Franklin County?
Look on the custody page of the Franklin County Sheriff's Office at jail.co.franklin.wa.us. It covers people booked into the county jail.
How many people are in the Franklin County jail?
About 120 on an average day in 2021, the latest year in the Vera Institute's jail data, against a rated capacity of 320 beds.
Where do people sentenced to prison in Franklin County go?
To a facility of the Washington State Department of Corrections; its inmate locator is at doc.wa.gov.
Is this the official Franklin 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.