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 on September 23, 2026.
Fresno County, California, has about 1.0 million residents (2024 Census Bureau estimate). A person kept in custody after an arrest in Fresno County is held at the county jail, run by the Fresno 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: Fresno County public records, Fresno County arrest records, Fresno County warrants, Fresno County criminal records, Fresno County court records, California arrest records and California inmate search.
Finding Someone in Custody in Fresno County
The county jail, run by the Fresno County Sheriff's Office, holds everyone kept in custody after an arrest in Fresno County, from every agency.
SearchSystems opened and checked the jail page of the Fresno County Sheriff's Office at fresnosheriff.org/media-relations/new-feature-search-inmates-alphab... (page title: New Feature: Search Inmates Alphabetically), phone (559) 600-8137, which answered when SearchSystems opened it on September 23, 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 (559) 600-8137.
The Fresno County Jail by the Numbers
On an average day in 2025 the jail held about 2,480 people, down from about 3,050 in 2019. Its rated capacity in 2023, the last year with a capacity figure, was 3,295 beds, and it ran at 84 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Fresno County has about 1.0 million residents (2024 Census Bureau estimate), so the jail holds about 24 people for every 10,000 residents.
Who Books People Into the Fresno County Jail
The Fresno County Sheriff's Office and the agencies that report for Fresno, Clovis, Sanger, Reedley, Selma, Kerman and eight more cities make the arrests that end in a booking in Fresno County.
The FBI's agency list also places five state police units, three state agencies, two campus police departments and two other agencies in Fresno County (the arrest records guide names each one).
The largest arrest counts reported to the FBI were Fresno's 15,325 for 2025, the Fresno County Sheriff's Office's 3,093 for 2023 and Clovis's 3,030 for 2025.
Together, the two agencies in Fresno County with all twelve months of 2025 on file reported 18,355 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 Fresno 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 Fresno County serves the sentence in a facility of the California Department of Corrections and Rehabilitation, whose inmate locator is at cdcr.ca.gov/search.
Frequently Asked Questions
How do I find an inmate in Fresno County?
Ask the Fresno County Sheriff's Office at (559) 600-8137; its jail page SearchSystems verified is at fresnosheriff.org.
How many people are in the Fresno County jail?
About 2,480 on an average day in 2025, the latest year in the Vera Institute's jail data, against a rated capacity of 3,295 beds.
What is the phone number for the Fresno County jail?
(559) 600-8137, the number on the page of the Fresno County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Fresno County go?
To a facility of the California Department of Corrections and Rehabilitation; its inmate locator is at cdcr.ca.gov/search.
Is this the official Fresno 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.