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 30, 2026.
McMinnville, Oregon, in Yamhill County, has about 35,000 residents (2024 Census Bureau estimate). A person kept in custody after an arrest in McMinnville is held at the county jail, run by the Yamhill 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: McMinnville public records, Yamhill County inmate search, McMinnville arrest records, McMinnville warrants, McMinnville criminal records, McMinnville court records, Oregon arrest records and Oregon inmate search.
Finding Someone in Custody in McMinnville
A person kept in custody after an arrest in McMinnville is held at the county jail, run by the Yamhill County Sheriff's Office, whichever agency made the arrest.
SearchSystems opened and checked the jail page of the Yamhill County Sheriff's Office at co.yamhill.or.us/482/Sheriff (page title: Sheriff | Yamhill County, OR), phone 503-434-7506, 535 NE 5th Street Room 143 McMinnville, OR 97128, Tuesdays and Thursdays, 8:30 am to 5:30 pm, which answered when SearchSystems opened it on September 30, 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 503-434-7506.
The Yamhill County Jail by the Numbers
On an average day in 2023 the jail held about 110 people, down from about 180 in 2019. Its rated capacity in 2023 was 245 beds, and it ran at 44 percent of it that year. The figures are from the Vera Institute of Justice's Incarceration Trends data.
Yamhill County has about 111,000 residents (2024 Census Bureau estimate), so the jail holds about 10 people for every 10,000 residents.
Who Books People Into the Yamhill County Jail
The Yamhill County Sheriff's Office and the agency that reports for McMinnville (filed by the FBI as McMinnville Police Department) make the arrests that end in a booking in and around McMinnville.
The FBI's agency list also places these agencies in Yamhill County: the Yamhill County Liquor Commission (state agency); the Yamhill County State Police (state police).
The Gaston Police Department is listed by the FBI across two counties including Yamhill County, so its arrests are not broken out for Yamhill County here.
The largest arrest counts reported to the FBI were McMinnville's 1,275 for 2025, the Yamhill County Sheriff's Office's 798 for 2025 and Newberg's 631 for 2025.
Together, the four agencies in Yamhill County with all twelve months of 2025 on file reported 2,736 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 McMinnville arrest records.
From the Jail to State Prison
A sentence of more than a year is served in state prison, not the jail; the Oregon Department of Corrections lists its inmates at oregon.gov/doc/victim-services/pages/offender-search.aspx.
Frequently Asked Questions
How do I find an inmate in McMinnville?
Ask the Yamhill County Sheriff's Office at 503-434-7506; its jail page SearchSystems verified is at co.yamhill.or.us/482/Sheriff.
How many people are in the Yamhill County jail?
About 110 on an average day in 2023, the latest year in the Vera Institute's jail data, against a rated capacity of 245 beds.
What is the phone number for the Yamhill County jail?
503-434-7506, the number on the page of the Yamhill County Sheriff's Office SearchSystems verified.
Where do people sentenced to prison in Yamhill County go?
To a facility of the Oregon Department of Corrections; its inmate locator is at oregon.gov.
Is this the official McMinnville 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.